125 results on '"Paulo Roberto Dos Santos Amorim"'
Search Results
2. Built environment and physical activity in adolescents: Use of the kernel density estimation and the walkability index.
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Isabella Toledo Caetano, Rogério César Fermino, Renato de Oliveira Falcão, and Paulo Roberto Dos Santos Amorim
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Medicine ,Science - Abstract
The availability of places for physical activity (PA) and the walkability of the neighborhood can impact the level of PA of adolescents. However, studies of this nature are still limited in Latin America. This study had two objectives: 1- using kernel density estimative, it investigated whether individuals living near PA places that are more intensely distributed than dispersed are more likely to be sufficiently active; 2-checked whether adolescents who live in neighborhoods with better walkability have a greater chance of being sufficiently active. Were evaluated 292 adolescents and PA was measured by accelerometry. Were measured five environmental variables for composing the walkability index. 98 PA points (places) were identified and destinations within these areas were geocoded and kernel density estimates (KDE) of places intensity were created using kernels (radius) of 400m (meters), 800, 1200 and 1600m. Using Logistic Regression, the association between the intensity of PA places (classified into quartiles Q1(smallest)-Q4(largest)) and the probability of being "Sufficient PA"; and the association between walkability (quartiles Q1(least)-Q4(highest)) and the probability of being "PA Sufficient " were estimated (p≤0.05). There were associations only for the intensities of places with the largest radius. Among adolescents who lived in places with higher intensity compared with lower intensity places: 1200m (Q3, OR 2.18 95% CI 1.12-4.22; Q4, OR 2.77 95% CI 1.41-5.43) and 1600m (Q3, OR 3.68 95%CI 1.86-7.30; Q4, OR 3.69 95%CI 1.86-7.30) were more likely to be "Sufficient PA". There were also associations for walkability, where those living in places with better walkability (Q4, OR 2.58 95% CI 1.33-5.02) had greater chances of being "Sufficient PA" compared to Q1. In conclusion, living in places with bigger densities and better walkability increases adolescent's chances of being "Sufficient PA".
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- 2024
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3. Adolescent’s movement behaviors and built environment: a latent class analysis
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Isabella Toledo Caetano, Valter Paulo Neves Miranda, Fernanda Karina dos Santos, and Paulo Roberto dos Santos Amorim
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Built environment ,Neighborhood ,Accelerometer ,Movement behaviors ,Latent class analysis ,Public aspects of medicine ,RA1-1270 - Abstract
Abstract Background Latent class analysis (LCA) is an alternative and innovative approach to verify the relation of the various combinations of the constructed environment and movement behavior (levels of physical activity, sedentary behavior, and sleep) characteristics. This study aimed to identify latent classes based on the characteristics of the neighborhood environment perceived by adolescents and their association with gender, socioeconomic status (SS), body composition and movement behaviors. Methods This cross-sectional study includes 309 Brazilian adolescents (14 to 16 years old, 57% female). The characteristics of the neighborhood environment perceived were analyzed by the Neighborhood Walkability for Youth Scale. Accelerometers were used for a week to evaluate the movement behaviors. Questionnaires assessed the screen times, total sitting time (TST), and sociodemographic characteristics. LCA was used for modeling the “Perceived Enviroment” variable, having been conducted in the poLCA (Polychromous Variable Latent Class Analysis) package of the R statistical software. Results Three classes were recognized: class 1, “Best Perceived Environment” with 23.03% of adolescents; class 2, “Moderate Perceived Environment”, 63.33%; and class 3, “Worst Perceived Environment”, 13.67%. Light physical activity (LPA), TST, and SS were associated with class prevalence. The adolescents with medium and low SS were, respectively, 3.42 (95% CI 1.62–7.21) and 4.18 (95% CI 1.66–10.50) more likely to belong to class 2, and those with low SS were 5.21 (95% CI 1.35–20.13) more likely to belong to class 3. Class 1 adolescents were associated with a lower chance (OR: 0.09, 95% CI 0.02–0.55) of involvement in ‘adequate LPA time’ compared to class 3. Class 1 adolescents were associated with a lower chance (OR: 0.31, 95% CI 0.12–0.79) of involvement in ‘adequate TST’ compared to class 2. There was a difference between the LPA and TST classes; class 3 presented a longer time in LPA than class 1; class 1 had higher TST than the other classes. Conclusion The findings highlight the influence of neighborhood classes on adolescents’ LPA and TST.
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- 2021
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4. The effect of a breakfast’s glycaemic index and type of hydration on metabolism and cycling performance: a crossover, randomized, controlled clinical trial. [El efecto del índice glucémico del desayuno y el tipo de hidratación en el metabolismo y el rendimiento del ciclismo: un ensayo clínico cruzado, aleatorizado y controlado].
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Mariana de Melo Cazal, Rita de Cássia Gonçalves Alfenas, Maria do Carmo Gouveia Peluzio, Paulo Roberto dos Santos Amorim, Priscila Alvez Tomaz, and João Carlos Bouzas Marins
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glycaemic response ,isotonic solutions ,pre-exercise meal ,carbohydrate ,exercise ,Geography. Anthropology. Recreation ,Recreation. Leisure ,GV1-1860 ,Sports ,GV557-1198.995 - Abstract
The purpose of this study was to compare the effect of the glycaemic index of breakfast on metabolic parameters and performance of cyclists with different types of hydration (water or isotonic beverage). Twelve male recreational cyclists participated in four experimental trials where they consumed either a high glycaemic index (HGI) or low glycaemic index (LGI) meal, 30 min before exercise on a cycle ergometer. Exercise was performed at 70% maximal oxygen uptake for 90 min followed by a 6 km performance. During each trial, 3 mL.kg-1 body mass of either water or isotonic beverage was provided. The postprandial glycaemic response and areas under the blood glucose curve 30 min after ingestion were higher after the consumption of the HGI meals than that after the consumption of the LGI meals. The glycaemic response and carbohydrate oxidation during the trials with isotonic beverage consumption were higher than that in trials with water consumption during exercise (p
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- 2021
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5. Time-use movement behaviors are associated with scores of depression/anxiety among adolescents: A compositional data analysis.
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Fernanda Rocha de Faria, Djalma Barbosa, Cheryl Anne Howe, Karina Lúcia Ribeiro Canabrava, Jeffer Eidi Sasaki, and Paulo Roberto Dos Santos Amorim
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Medicine ,Science - Abstract
Movement behaviors have been associated with mental health. The purposes of this study were to examine the association between movement behaviors and scores of depression/anxiety among adolescents and to determine the difference in depression/anxiety associated with reallocating time between different movement behaviors. This cross-sectional study included 217 Brazilian adolescents (15 to 18 years old, 49.3% female). Adolescents wore an accelerometer for one week to assess the four-movement behaviors which include sleep, sedentary behavior (SB), light physical activity (LPA), and moderate-to-vigorous physical activity (MVPA). The depression/anxiety score was calculated by factor analysis using the 12-item General Health Questionnaire. Compositional data analyses were used to examine the association between movement behavior and the depression/anxiety score. Compositional isotemporal substitution models estimated the change in depression/anxiety score associated with reallocating 10, 30, and 60 min between movement behaviors. The composition of movement behaviors was significantly associated with depression/anxiety scores (p < 0.05). Replacing time from SB to LPA was associated with improvement in the depression/anxiety score, while the inverse was associated with an increase in this score. Replacing time of LPA with MVPA was associated with worsening in the depression/anxiety score. The 24-h time distribution of the day may play a crucial role in mental health. Compositions with more time spent in LPA at the expense of less SB are associated with improvement in the scores of depression/anxiety. The type of MVPA may moderate its effects on depression/anxiety in adolescents. Holistic interventions including the full range of movement behaviors may be a gateway to reduce the levels of depression/anxiety in adolescence.
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- 2022
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6. Ecological correlates related to adolescent movement behaviors: A latent class analysis.
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Isabella Toledo Caetano, Valter Paulo Neves Miranda, Fernanda Karina Dos Santos, and Paulo Roberto Dos Santos Amorim
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Medicine ,Science - Abstract
The ecological model has been widely used to help researchers understand the multiple influences in the physical activity (PA) and in the sedentary behaviors in isolated forms. To date, few correlates concerning the behavioral groupings of PA and sedentary behaviors have been studied. In this context, this study aimed to identify movement behaviors' latent classes related to the different adolescents' PA and sedentary time expressions, as well as their associations with individual, sociodemographic, family, and environmental correlates. This is a cross-sectional study with 309 students aged between 14 and 16. Latent Class Analysis was used to identify movement behavior classes based on light PA, moderate to vigorous PA, number of steps, sedentary time, and screen time (ST). An accelerometer was used to evaluate movement behaviors. The individual, sociodemographic, family, and environmental correlates were assessed by questionnaires. Three classes were identified: Class 1, "Active and Non-Sedentary" (8.10% of the sample), Class 2, "Active and Sedentary" (28.5%), and Class 3, "Inactive and Sedentary" (63.4%). Those with low fruit intake, low aerobic fitness, stressed and whose head of the family obtained an 'elementary school' level education were, respectively, 7.17, 3.59, 3.56, and 4.40 times more likely to belong to class 3 than class 1. Those with medium and high socioeconomic status were 82% and 83% less likely to belong to class 1 than classes 2 and 3, respectively. Adolescents who perceived the neighborhoods with the best access to diversified land use, street connectivity, walking/pedaling ease, and traffic safety attributes, were 84%, 85%, 82%, and 82%, respectively less likely to belong to class 1 than class 2. It is concluded that distinct correlates can be associated with the movement behaviors classes.
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- 2022
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7. Sleep, sedentary behavior, and physical activity in Brazilian adolescents: Achievement recommendations and BMI associations through compositional data analysis.
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Sabrina Fontes Domingues, Cristiano Diniz da Silva, Fernanda Rocha Faria, Helton de Sá Souza, and Paulo Roberto Dos Santos Amorim
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Medicine ,Science - Abstract
Physical activity, sedentary behavior (SB), and sleep are habitual human behaviors (HHB) which are modifiable throughout the different life phases. Therefore, it is necessary to analyze how the time distribution throughout the day among HHB may be associated with body mass index (BMI). These results could provide inferences which can guide interventions that trigger changes in adolescent behaviors in favor of their health. The objective of this study was to verify the proportion of adolescents who meet the recommendation of sleep, moderate to vigorous physical activity (MVPA), and screen time (ST); to analyze the associations between HHB and BMI, and to determine possible changes in BMI associated with time reallocation between different HHB. Daily HHB recommendations (yes/no) were analyzed by frequency distribution. Compositional data analyses were used to examine the association between HHB and the BMI z-score (zBMI) with covariates (sex, age, and socioeconomic status). Compositional isotemporal substitution models estimated the change in zBMI associated with HHB reallocations from 15 to 120 minutes. A total of 185 adolescents were included (15 to 18 years, 50.8% boys). Thus, total sleep time, SB, light physical activity (LPA) and MVPA were measured by 24-hour accelerometry for seven consecutive days. ST, demographic characteristics, and socioeconomic status were assessed using a questionnaire. Sleep, MVPA, and ST recommendations were achieved by 32.97%, 8.10%, and 1.08% of the sample, respectively. No adolescent was able to achieve all of the daily recommendations. Age was significantly and positively associated with zBMI (p
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- 2022
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8. Evaluation of lifestyle of female adolescents through latent class analysis approach
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Valter Paulo Neves Miranda, Paulo Roberto dos Santos Amorim, Ronaldo Rocha Bastos, Vitor Gabriel Barra Souza, Eliane Rodrigues de Faria, Sylvia do Carmo Castro Franceschini, and Silvia Eloiza Priore
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Lifestyle ,Adolescents ,Latent class analysis ,Cluster analysis ,Physical activity ,Sedentary behavior ,Public aspects of medicine ,RA1-1270 - Abstract
Abstract Background Lack of regular physical activity, high sedentary behavior and presence of unbalanced alimentary practices are attitudes associated with an inadequate lifestyle among female adolescents. Objective to assess the lifestyle of female adolescents based on measurements of behavioral variables. Methods Cross-sectional study with 405 female adolescents between 14 and 19 years old, resident and attending public schools in Viçosa (state of Minas Gerais). Their lifestyle was analyzed by the Physical Activity Recall, number of steps, screen time (ST), cellphone time (CT), sitting time, food frequency questionnaire (FFQ), and alcohol and tobacco consumption. With multiple correspondence analysis it was possible to observe dispersion and approximation of the variables’ categories. Latent class analysis (LCA) was used for modeling the “lifestyle” variable, having been conducted in the poLCA (Polychromous Variable Latent Class Analysis) package of the R statistical software. Results The mean age was 15.92 ± 1.27 years. Most of the adolescents were considered physically inactive (78%) and with low number of steps (82.57%); 41.45% reported not performing Moderate to Vigorous Physical Activities (MVPA) adequately. Sedentary behavior was found high when assessing ST (72.90%) and CT (65.31%). It was found the best fitted latent class model for the lifestyle (p-G2 = 0.055, p-χ2 = 0.066) featured three latent classes and one covariate (alcohol): Class 1, ‘Inactive and Sedentary’ (γ = 77.5%); Class 2, ‘Inactive and Non-sedentary lifestyle (γ=16.31%); and Class 3, ‘Active and sedentary’ (γ=6.19%). Female adolescents that had ‘never consumed alcohol’ were 2.26 times as likely (log OR = 0.8174; p = 0.033) to belong to class 3 (Active & Sedentary lifestyle) than to class 1 (Inactive & Sedentary lifestyle). Conclusion Latent class analysis model with five manifest variable (MVPA, number of steps, ST, sitting time and number of meals) and alcohol consumption like covariate showed itself to be an accurate and objective method in the assessment of female adolescents’ lifestyle. Female adolescents that had ‘never consumed alcohol’ were more as likely to belong to class ‘Active & Sedentary lifestyle’ than to class Inactive & Sedentary lifestyle. An inactive and sedentary lifestyle is coupled to other unhealthy behaviors during adolescence, possibly carrying over into adult life.
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- 2019
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9. Body adiposity index and associated factors in workers of the furniture sector
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Renata Aparecida Rodrigues de Oliveira, Paulo Roberto dos Santos Amorim, Braúlio Parma Baião, Pedro Victor Santos Rodrigues de Oliveira, and João Carlos Bouzas Marins
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Risk factors ,Obesity ,Occupational health ,Sports ,GV557-1198.995 ,Medicine (General) ,R5-920 - Abstract
Obesity represents one of the main cardiovascular risk factors with high prevalence among the Brazilian population. The aim of this study was to assess body adiposity index (BAI) and associated factors in workers of the furniture sector. A descriptive study was conducted with 204 workers of the furniture sector in the city of Ubá-MG of both sexes aged 20-70 years. Working sector, economic class, level of physical activity, body mass index, waist circumference, abdominal circumference, waist-to-hip ratio, systolic and diastolic blood pressure, fasting glycemia, total cholesterol, high density lipoprotein, low density lipoprotein and triglycerides were assessed. Odds ratio (RC) was used to determine the strength of association among variables. Of the total number of individuals assessed, 50% had high BAI, presenting higher anthropometric, blood pressure, glucose and triglyceride values (p
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- 2021
10. Use of latent class analysis as a method of assessing the physical activity level, sedentary behavior and nutritional habit in the adolescents' lifestyle: A scoping review.
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Valter Paulo Neves Miranda, Danilo Reis Coimbra, Ronaldo Rocha Bastos, Márcio Vidigal Miranda Júnior, and Paulo Roberto Dos Santos Amorim
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Medicine ,Science - Abstract
BackgroundCurrently, adolescents' lifestyle is commonly characterized by physical inactivity, sedentary behavior, and inappropriate eating habits in general. A person-oriented approach as Latent Class Analysis (LCA) can offer more insight than a variable-centered approach when investigating lifestyle practices, habits, and behaviors of adolescent population.ObjectiveThe aim of the present study was to assess which variables are mostly used to represent the physical activity level, sedentary behavior SB) and nutritional habit in the adolescents' lifestyle in studies that used the LCA.DesignScoping review.MethodsThe study was a performed in accordance with the proposed criteria for systematic reviews and meta-analyses-Preferred Reporting Items for Systematic Reviews and Meta-Analyses and registered in PROSPERO (CRD42018108444). The original articles were searched in MEDLINE/PubMed, Scopus, ScienceDirect, Web of Science, PsycINFO, and SPORTdiscus. The Quality Assessment Tool analyzed the risk of bias of the included studies.Results30 original articles were selected. The physical activity level (28 studies), SB and nutritional habits (18 studies) were the most common variable used to evaluate the adolescent's lifestyle by LCA model. Specifically, physical inactivity and high SB were the manifest variables with higher frequency in the negative latent classes (LCs) in adolescent girls. On the other hand, physical exercises and sports were activities more commonly labeled as positive LCs.ConclusionsThe LCA models of the most of selected studies showed that physical inactivity, high SB were the most common in the LCs with negative characteristics of the adolescents' lifestyle. Better understanding the results of analyzes of clusters of multivariate behaviors such as the LCA can help to create more effective strategies that can make the lifestyle of adolescents healthier.
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- 2021
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11. Validade e confiabilidade de testes para a obtenção da frequência cardíaca máxima em natação
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Rafael Gonçalves Silva, Paulo Roberto dos Santos Amorim, Maicon Rodrigues Albuquerque, Guilherme de Azambuja Pussieldi, Gustavo Ramos Dalla Bernardina, Robson Bonoto Teixeira, and João Carlos Bouzas Marins
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Exercício físico ,Resposta cardíaca ,Treinamento esportivo ,Teste físico ,Sports ,GV557-1198.995 - Abstract
RESUMO O desenvolvimento de um protocolo específico na natação para detectar a Frequência cardíaca máxima (FCmáx) pode qualificar a prescrição e controle de treinamento na natação. Dessa forma, o estudo objetivou validar um teste específico para obtenção da FCmáx em natação, para o nado crawl. Onze nadadores masculinos, de nível universitário, nadaram as distâncias de 100 e 200 metros crawl, em velocidade máxima, com monitoramento da FC, através de um monitor cardíaco. A validade foi avaliada pela relação entre FCmáx e lactato e a confiabilidade por teste e reteste de cada distância. A FCmáx dos 100 e 200 metros no teste foi de 187,6 ± 7,23 e 187,6 ± 7,54 bpm (p > 0,05) e no reteste de 188,3 ± 8,3 e 189,5 ± 8 bpm (p > 0,05). Encontraram-se altos valores de correlação para FCmáx obtida e concentração de lactato nos dois testes (100 e 200 metros). Correlações positivas significativas entre teste e reteste mostraram a confiabilidade dos testes (100 metros - 0,910, p < 0,001 e 200 metros - 0,950, p < 0,001). Conclui-se que os testes propostos são capazes de gerar, com precisão, a FCmáx de nadadores de nível universitário, são uma importante variável usada para cálculo das zonas de intensidade do treinamento e ferramenta para monitoramento da evolução do atleta durante a temporada.
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- 2020
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12. Behavioral classes related to physical activity and sedentary behavior on the evaluation of health and mental outcomes among Brazilian adolescents.
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Fernanda Rocha de Faria, Valter Paulo Neves Miranda, Cheryl A Howe, Jeffer Eidi Sasaki, and Paulo Roberto Dos Santos Amorim
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Medicine ,Science - Abstract
Latent Class Analysis can assist researchers interested in a better understanding of behavioral patterns and their association with health outcomes. This study aimed to identify lifestyle latent classes related to distinct domains of physical activity (PA) and sedentary behavior (SB) among adolescents and their association with health outcomes. This cross-sectional study included 217 Brazilian adolescents (15 to 18 years old, 49.3% female). The classes were based on moderate-to-vigorous physical activity (MVPA), light physical activity (LPA), number of steps, sedentary behavior (SB), and screen time (ST). To assess these behaviors, participants wore an accelerometer for one week. ST, demographic characteristics, socioeconomic status, and signs of common mental disorders (CMD) were evaluated through questionnaires. Latent Class Analysis was used to identify lifestyle classes. Three classes were recognized: "Active-Non-sedentary" (class 1) with 28.1% of adolescents; "Inactive-Non-sedentary" (class 2), 48.85%; and "Inactive-Sedentary" (class 3), 23.04%. Sex and signs of CMD were associated with the prevalence of the classes. Female adolescents presented 4.48 (95% CI 2.04-9.77) times more chance of belonging to the "Inactive-Sedentary" (class 3). Adolescents who presented CMD had 11.35 (95% CI 3.45-101.1) times more chance of belonging to the "Inactive-Non-sedentary" (class 2). The interaction between sex and signs of CMD showed that girls with signs of CMD were 9.20 (95% CI 1.17-71.52) more likely to belong to the Inactive-Sedentary class than the "Active-Non-sedentary". Results indicate that sex and signs of CMD can affect the prevalence of the classes. Our findings highlight that physical inactivity and SB can be associated with signs of CMD, especially in female adolescents.
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- 2020
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13. Association of Lifestyle and Body Composition on Risk Factors of Cardiometabolic Diseases and Biomarkers in Female Adolescents
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Valter Paulo Neves Miranda, Paulo Roberto dos Santos Amorim, Ronaldo Rocha Bastos, Karina Lúcia Ribeiro Canabrava, Márcio Vidigal Miranda Júnior, Fernanda Rocha Faria, Sylvia do Carmo Castro Franceschini, Maria do Carmo Gouveia Peluzio, and Silvia Eloiza Priore
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Pathology ,RB1-214 - Abstract
Background. Female adolescents are considered a risk group for cardiometabolic disease due to their lifestyle (LS). Objective. To evaluate the association between LS classes and body composition groups with cardiometabolic disease risk factors and pro- and anti-inflammatory biomarkers in female adolescents. Methods. This cross-sectional study was carried out with female adolescents aged 14 to 19 years, from Viçosa-MG, Brazil. Latent class analysis assessed LS classes. Kinanthropometric measurements were taken together with the body fat percentage (BF%), being analyzed by the Dual Energy X-ray Absorptiometry (DEXA) equipment. Blood pressure and biochemical parameters were analyzed in the Health Division of the Federal University of Viçosa. The pro- and anti-inflammatory biomarkers were analyzed using Luminex technology. Associations with biomarkers were estimated by multiple linear regression. Results. 405 female adolescents were evaluated. The majority, 82.57%, 72.90%, and 65.31%, were classified as inactive by the number of steps, with high screen and cell phone time, respectively. Furthermore, 41.55% did meet the minimum of 60 minutes of moderate-to-vigorous physical activity (MVPA) and 54.69% had high values of BF% (DEXA). The “Sedentary & Inactive LS” class together with the high levels of weight and BF% were associated with increased levels of blood pressure, lipid profile, and uric acid. It was also found that “Inactive & Sedentary LS”, high BF%, insulin resistance, and ultra-sensitive C-reactive protein were associated with the concentrations of proinflammatory biomarkers of tumor necrosis factor-α, interleukin-6, and leptin. Conclusion. We concluded that female adolescents with overweight/obese and high BF% presented higher values of anthropometric indicators, levels of blood pressure, concentration of uric acid and hs-CRP, and lower concentration of HDL. Inactive and Sedentary lifestyle of these girls, along with excess body fat, insulin resistance, and higher concentrations of hs-CRP were associated with the higher concentration proinflammatory markers.
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- 2020
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14. The Use of Latent Class Analysis (LCA) to Assess Children's Movement Behaviours Measured by Accelerometer and Self-Report
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Isabella Toledo Caetano, Valter Paulo Neves Miranda, Fernanda Rocha de Faria, Cheryl Anne Howe, and Paulo Roberto dos Santos Amorim
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Latent Class Analysis (LCA) is a statistical method that can help researchers interested in better understanding the movement behaviors (MB) of children, based on the analysis of the level of physical activity (PA) and sedentary time (ST). This study aimed to evaluate and compare two models LCA (one for the accelerometer and one for the 24-hour recall) that represent the MB of children. A cross-sectional study involving 101 10-year-old Brazilian children. The classes were based on vigorous PA (VPA), moderate PA (MPA), light PA (LPA), and sedentary time (ST). To assess these behaviors, a 24-hour recall and an accelerometer were used. The accelerometer was used during four days. The time spent on each of the MB was categorized dichotomously, based on the 25th and 75th percentiles. Thus, "adequate" times were considered when the ST was below 25thP, the LPA and MPA were above 25thP and the VPA was above 75thP. LCA was used to model the variable "MB." For each latent class model (accelerometer and recall), two classes were found: "Adequate MB" and "Inadequate MB." Regardless of the method (accelerometer or self-report), the values of the "Inadequate MB" class had higher prevalence. Self-report predicted higher PA and lower ST compared to the accelerometer. The model based on accelerometry revealed that girls were 2.11 times more likely to belong to the "Inadequate MB" class when compared to boys. LCA was a multivariate statistical method that allowed the integrated evaluation of parameters that represent the MB analyzed by device-based and self-report methods.
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- 2024
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15. Abundance of Gut Microbiota, Concentration of Short-Chain Fatty Acids, and Inflammatory Markers Associated with Elevated Body Fat, Overweight, and Obesity in Female Adolescents
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Valter Paulo Neves Miranda, Paulo Roberto dos Santos Amorim, Ronaldo Rocha Bastos, Eliane Rodrigues de Faria, Maria Eliza de Castro Moreira, Sylvia do Carmo Castro Franceschini, Maria do Carmo Gouveia Peluzio, Célia Lucia de Luces Fortes Ferreira, and Silvia Eloiza Priore
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Pathology ,RB1-214 - Abstract
Background and Aims. Overweight is ever more prevalent in the pediatric population, and this cardiometabolic factor can be associated with inflammatory markers, gut microbiota composition, and short-chain fatty acid (SCFA) concentrations. The aim of this study is to evaluate to what extent the abundance of gut microbiota phyla, SCFA concentrations, and inflammatory markers are associated with elevated body fat percentage (BF%), overweight, and obesity in female adolescents. Methods. An experimental and comparative study was conducted with 96 girls 14 to 19 years old. They were divided into 3 groups: G1—eutrophic (EUT) and adequate BF%; G2—EUT and high BF%; and G3—overweight (OW) or obese (OB) and high BF%. Waist circumference (WC), waist to height ratio (WtHR), and neck circumference (NC) were analyzed as indicators of central visceral adiposity. The BF% was evaluated by DEXA equipment. A food frequency questionnaire was used to evaluate the main types of food consumed in a week. The abundance of the Firmicutes, Bacteroidetes, and Proteobacteria phyla was measured by real-time polymerase chain reaction (RT-qPCR), and the SFCA concentrations (acetic, butyric, and propionic) were determined by high-performance liquid chromatography (HPLC). The inflammatory markers leptin, tumor necrosis factor-alpha, interleukin-6, and high-sensitivity C-reactive protein (hs-CRP) were assessed. Results. Female adolescents in groups G2 and G3 had greater central visceral adiposity and leptin concentration than those in group G1. No association was found between gut microbiota phyla abundance and SFCA concentrations in any of the groups. WC and frequency of consumption of oily and fatty foods were associated with Firmicutes abundance and SFCA concentrations. Girls with high WC also had the greatest leptin (p
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- 2019
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16. Prevalence and factors associated with metabolic syndrome in 6-10-year-old children
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Alynne Christian Ribeiro Andaki, Edmar Lacerda Mendes, Ciro Jose Brito, Paulo Roberto dos Santos Amorim, Rachel Wood, and Adelson Luiz Araújo Tinoco
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cardiovascular risk factor ,poison regression ,anthropometry ,Sports ,GV557-1198.995 ,Sports medicine ,RC1200-1245 - Abstract
Abstract Aims: to identify the prevalence of metabolic syndrome (MetS) and associated risk factors in children. Methods: a total of 1,480 Brazilian children aged 6-10 years old (52.2% girls) participated in this population-based, epidemiological cross-sectional study. The inclusion criteria were children born between the years 2001 and 2006, of both sexes, who did not use remedy, were not on a calorie restriction diet, and who respected the 12-hour fast for blood collection. Anthropometric measurements, blood pressure, blood collection, and completion of the Previous Day Food Questionnaire and interview using a Physical Activity List were held at school. Parents were asked to complete a questionnaire on socioeconomic status and lifestyle habits of their child. Chi-square test compared proportions and factors associated with MetS were identified using Poisson Regression. Results: Girls had significantly higher MetS prevalence compared with boys (12.6% vs. 8.5%, p=0.046). After multivariable analysis, body fat percentage (p=0.001), fat mass (p
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- 2018
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17. Prevalência de obesidade e associação do índice de massa corporal com fatores de risco em professores da rede pública
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Renata Aparecida Rodrigues de Oliveira, Rômulo José Mota Júnior, Debora Dornelas Ferreira Tavares, Osvaldo Costa Moreira, Luciana Moreira Lima, Paulo Roberto dos Santos Amorim, Raquel Rodrigues Britto, and João Carlos Bouzas Marins
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docentes ,fatores de risco ,índice de massa corporal ,obesidade ,Sports ,GV557-1198.995 ,Medicine (General) ,R5-920 - Abstract
O objetivo deste estudo foi verificar a prevalência de sobrepeso e obesidade, além da associação entre o índice de massa corporal (IMC) com os fatores de risco cardiovascular em professores da rede pública. Foi realizado um estudo transversal em 200 professores da educação básica de Viçosa-MG. Avaliaram-se o IMC, a circunferência de cintura (CC), a relação cintura-quadril (RCQ), o percentual de gordura corporal (%GC), a pressão arterial sistólica e diastólica, a glicemia de jejum, o colesterol total, a lipoproteína de alta e baixa densidade (LDL-C), os triglicerídeos e o número de passos diários. Avaliaram-se as associações entre o IMC (variável independente) e demais variáveis (variável dependente) por meio da regressão linear. Foram encontrados 58% de excesso de peso entre os professores, sendo que 20% apresentaram obesidade. Entre o sexo feminino, todos os fatores de risco foram estatisticamente diferentes entre o grupo com sobrepeso e/ou obesidade comparados ao grupo classificado com IMC normal, exceto para o colesterol total e LDL-C. O valor de passos diários apresentou tendência de redução com o aumento do IMC. A análise de regressão linear mostrou associação positiva entre o IMC e as demais medidas antropométricas, pressóricas e bioquímicas, porém, após correção pela idade, apenas observou-se associação com as variáveis antropométricas (CC, RCQ e %GC). Foi encontrada uma elevada prevalência de sobrepeso/obesidade nos professores da educação básica. O indicador de obesidade geral (IMC) não apresentou associação com os fatores de risco cardiovascular, quando ajustado em função da idade.
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- 2015
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18. INSATISFAÇÃO CORPORAL, NÍVEL DE ATIVIDADE FÍSICA E COMPORTAMENTO SEDENTÁRIO EM ADOLESCENTES DO SEXO FEMININO
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Valter Paulo Neves Miranda, Núbia Sousa de Morais, Eliane Rodrigues de Faria, Paulo Roberto dos Santos Amorim, João Carlos Bouzas Marins, Sylvia do Carmo Castro Franceschini, Paula Costa Teixeira, and Silvia Eloiza Priore
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Imagem corporal ,Adolescente ,Composição corporal ,Atividade física ,Estilo de vida sedentário ,Pediatrics ,RJ1-570 - Abstract
RESUMO Objetivo: Avaliar a associação da imagem corporal com o nível de atividade física, composição corporal e o comportamento sedentário de adolescentes do sexo feminino. Métodos: Estudo transversal e exploratório com 120 adolescentes do sexo feminino, de 14 a 19 anos, de Viçosa, MG. A imagem corporal foi avaliada por uma Escala de Silhuetas e pelo Body Shape Questionnaire (BSQ). O peso, a estatura e o perímetro da cintura foram aferidos, avaliando-se a relação cintura estatura e o percentual de gordura corporal. O nível de atividade física (NAF) foi avaliado pelo Recordatório de Atividade Física de 24h (R24h) e o comportamento sedentário, pelo tempo em frente à tela de uma TV, jogando videogame, ao computador e usando tablets e, separadamente, o tempo de tela ao celular. Resultados: A média de idade foi 16,5±1,5 anos, sendo a maioria das participantes eutróficas (77,6%), sedentárias/baixo NAF (84,2%), com tempo de tela (85,2%) e tempo de celular (58,7%) elevados. A insatisfação corporal manifestou-se em 40,6% pelo BSQ e em 45,8% pela Escala de Silhuetas. A distorção corporal manifestou-se em 52,9% das participantes. As medidas de composição corporal, juntamente com o tempo ao celular e o NAF, mostraram associação com a insatisfação corporal, sendo as adolescentes mais ativas as mais insatisfeitas. Conclusões: O estudo mostrou que as adolescentes com maior tempo ao celular tinham maior insatisfação corporal, assim como as fisicamente mais ativas. Todas as medidas de avaliação da composição corporal mostraram-se associadas ao nível de insatisfação, principalmente o índice de massa corporal, perímetro da cintura e relação cintura-estatura.
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- 2018
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19. Metabolic syndrome prevalence in elderly of urban and rural communities participants in the HIPERDIA in the city of Coimbra/MG, Brazil
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Josiane Aparecida Teixeira de Paula, Osvaldo Costa Moreira, Cristiano Diniz da Silva, Diogo Santos Silva, and Paulo Roberto dos Santos Amorim
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síndrome X metabólico ,estudios transversales ,salud rural ,salud urbana ,anciano ,estilo de vida ,Nursing ,RT1-120 - Abstract
Objective. To identify the prevalence of metabolic syndrome (MS), and the influence of gender and place of residence for elders served by the Family Health Strategy in the municipality of Coimbra (Minas Gerais state, Brazil). Methodology. The sample consisted of 435 individuals of both sexes, with mean of age 72 ± 8 years. Results. Women had higher prevalence rates of MS (urban= 40%, rural= 37%) with differences (p
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- 2015
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20. Risk factors for cardiovascular disease in professors from a public university
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Osvaldo Costa Moreira, Renata Aparecida Rodrigues de Oliveira, Cláudia Eliza Patrocínio Oliveira, Leonice Aparecida Doimo, Paulo Roberto dos Santos Amorim, Mateus Camaroti Laterza, Walace David Monteiro, and João Carlos Bouzas Marins
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docentes ,enfermedad crónica ,pesos y medidas corporales ,factores de riesgo ,Nursing ,RT1-120 - Abstract
Objective. To determine the prevalence of risk factors for cardiovascular disease among professors of a public university. Methodology. This cross-sectional study included 145 professors from the Federal University of Viçosa (UFV), MG, Brazil, in 2010. Analyzed variables included age, weight, height, waist, hip and abdominal circumferences, in addition to total cholesterol, triglycerides, glucose, and resting systolic and diastolic blood pressures. Results. A total of 71% were men, the average age of the men was higher than that of the women (46.9 versus 43.2 years old); half of the participants were overweight (46.9% were overweight and 9.0% were obese). Other factors were: 17.2% presented a waist-hip ratio at risk; 46.9% had greater than normal abdominal circumference; 4.0% presented high total cholesterol, 20.2% high triglycerides, 4.8% of the individuals presented abnormal glucose metabolism; and 16.6% were hypertensive. In comparison with men, women presented lower systolic blood pressure, diastolic blood pressure, body mass index, and abdominal, hip and waist circumferences. There was a trend of increased waist/hip and abdominal circumferences, total cholesterol, triglycerides, and systolic blood pressure as individuals aged. Conclusion. The college professors addressed in this study present important risk factors for cardiovascular disease. Hence, prevention and control measures need to be implemented in order to reduce the problem, a process in which nursing professionals play a key role in the achievement of success.
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- 2014
21. Prevalência de dislipidemia e sua relação com consumo de oxigênio entre servidores públicos
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William Amorim, Renata Aparecida Rodrigues de Oliveira, Michelle Silveira Breguez, Paulo Roberto dos Santos Amorim, and João Carlos Bouzas Marins
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Colesterol ,Triglicerídeos ,Consumo de Oxigênio ,Doenças Cardiovasculares. ,Medicine (General) ,R5-920 ,Public aspects of medicine ,RA1-1270 - Abstract
Objetivo: Determinar a prevalência de dislipidemia em servidores públicos e sua relação com o consumo máximo de oxigênio (VO2máx). Métodos: Estudo transversal, realizado em 2010, com 107 servidores técnico-administrativos de uma universidade, através de medidas antropométricas (estatura e peso), teste de esteira submáximo para avaliação do parâmetro cardiorrespiratório (VO2máx), coleta de colesterol total (CT) e triglicerídeos (TG). Utilizouse, no tratamento estatístico dos dados, a análise descritiva, o cálculo das prevalências de CT, TG e VO2máx, a correlação de Pearson e o teste t de Student não pareado. Resultados:A amostra final compreendeu 101 servidores (46,6 + 10,4 anos). Os avaliados obtiveram média de CT 197+ 40,2mg/dl, com 51 (50,5%) apresentando valores limítrofes e “altos”, e média de TG 121+66,6mg/dl, com 25 (24,8%) valores limítrofes e “altos”. O VO2máx de 56 (55,5%) avaliados foi classificado como “Bom” e 37 (36,6%) como “Excelente”. Os homens obtiveram correlação estatisticamente significante apenas entre TG e VO2máx (r = - 0,45; p
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- 2014
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22. Fatores associados ao comportamento sedentário em escolares de 9-12 anos de idade
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Amanda Santos, Alynne Christian Ribeiro Andaki, Paulo Roberto dos Santos Amorim, and Edmar Lacerda Mendes
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estilo de vida sedentario ,niño ,asociación ,Sports ,GV557-1198.995 ,Sports medicine ,RC1200-1245 - Abstract
São recentes os estudos que investigaram impactos do comportamento sedentário (CS) sobre a saúde, principalmente em crianças. O objetivo foi investigar fatores associados ao CS em escolares do município de Uberaba, MG. Trata-se de estudo epidemiológico, transversal, com amostra probabilística (n = 649). Foram coletadas e consideradas variáveis independentes: medidas antropométricas, pressão arterial, exames bioquímicos, tempo gasto em atividade física (AF). CS foi considerado variável dependente, caracterizado pelo tempo de tela (TT), e verificado fatores associados pela regressão de Poisson. Meninas apresentaram valores maiores de dobras cutâneas, triglicerídeos e HDL-c e meninos, maior concentração de glicose sanguínea, atenderam mais à recomendação de 60 min de AF/dia e maior CS. O TT > 2 h/dia foi prevalente em 76,9 % da amostra. CS não foi associado a variáveis sociodemográficas, de saúde e comportamentais em crianças de 9-12 anos de idade. Mais pesquisas são necessárias para elucidar as inter-relações complexas entre TT e fatores associados.
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- 2013
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23. Prevalência de dislipidemia e sua relação com consumo de oxigênio entre servidores públicos
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William Amorim, Renata Aparecida Rodrigues de Oliveira, Michelle Silveira Breguez, Paulo Roberto dos Santos Amorim, and João Carlos Bouzas Marins(
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Medicine (General) ,R5-920 ,Public aspects of medicine ,RA1-1270 - Abstract
Objetivo: Determinar a prevalência de dislipidemia em servidores públicos e sua relação com o consumo máximo de oxigênio (VO2máx). Métodos: Estudo transversal, realizado em 2010, com 107 servidores técnico-administrativos de uma universidade, através de medidas antropométricas (estatura e peso), teste de esteira submáximo para avaliação do parâmetro cardiorrespiratório (VO2máx), coleta de colesterol total (CT) e triglicerídeos (TG). Utilizouse, no tratamento estatístico dos dados, a análise descritiva, o cálculo das prevalências de CT, TG e VO2máx, a correlação de Pearson e o teste t de Student não pareado. Resultados: A amostra final compreendeu 101 servidores (46,6 + 10,4 anos). Os avaliados obtiveram média de CT 197+ 40,2mg/dl, com 51 (50,5%) apresentando valores limítrofes e “altos”, e média de TG 121+66,6mg/dl, com 25 (24,8%) valores limítrofes e “altos”. O VO2máx de 56 (55,5%) avaliados foi classificado como “Bom” e 37 (36,6%) como “Excelente”. Os homens obtiveram correlação estatisticamente significante apenas entre TG e VO2máx (r = - 0,45; p
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- 2013
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24. Análise de indicadores de saúde de pacientes com diabetes atendidos pelo Centro Hiperdia de Viçosa
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Carlos Gabriel de Lade, João Carlos Bouzas Marins, Luciana Moreira Lima, Janice Sepúlveda Reis, Hamilton Henrique Teixeira Reis, Isabella Tolêdo Caetano, and Paulo Roberto dos Santos Amorim
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Diabetes mellitus. Fatores de risco. Atenção secundária à saúde. Avaliação em saúde. Sistemas de informação. ,Medicine (General) ,R5-920 - Abstract
A prevalência de diabetes mellitus está sendo considerada uma epidemia global, com 382 milhões de pessoas atualmente afetadas em todo o mundo e previsão de aumento para 592 milhões para o ano 2035. Atualmente, o Brasil é o quarto país no mundo em número de diabetes. O presente estudo teve como objetivo descrever as características epidemiológicas de indivíduos com diabetes mellitus atendidos no Centro Hiperdia da cidade de Viçosa-MG, considerando características sociodemográficos, fatores de risco modificáveis e não modificáveis. Trata-se de um estudo descritivo, quantitativo, documental e de corte transversal. Foram analisados 547 prontuários, sendo 218 inativos e 329 pacientes ativos. A análise dos pacientes ativos demonstrou que 51% do número total de pacientes apresentavam diabetes mellitus tipo 2 associada à hipertensão. Em relação aos pacientes ativos, 72% apresentavam baixa renda familiar, 74% apresentavam baixa escolaridade, 74%, 78% e 57% apresentavam hipertensão arterial, sobrepeso/obesidade, inatividade física, respectivamente. A presença de dois ou mais antecedentes familiares para doenças coronarianas e metabólicas foi encontrada em 79% dos pacientes. A análise da glicemia de jejum e pós-prandial demonstrou valores inadequados em mais de 50% dos pacientes ativos. Os pacientes com diabetes atendidos pelo Centro Hiperdia de Viçosa apresentaram tanto fatores de risco modificáveis quanto não modificáveis, sendo ambos complicadores para o controle do diabetes e de um bom estado de saúde.
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- 2016
25. Associação entre risco cardiovascular e hipertensão arterial em professores universitários Association between cardiovascular risk and hypertension in universities professors
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Osvaldo Costa Moreira, Renata Aparecida Rodrigues de Oliveira, Flávio Andrade Neto, William Amorim, Cláudia Eliza Patrocínio Oliveira, Leonice Aparecida Doimo, Paulo Roberto dos Santos Amorim, Mateus Camaroti Laterza, Walace David Monteiro, and João Carlos Bouzas Marins
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Epidemiologia ,Doença crônica ,Hipertensão arterial ,Risco cardiovascular ,Epidemiology ,Chronic disease ,Hypertension ,Cardiovascular risk ,Sports ,GV557-1198.995 - Abstract
A hipertensão arterial é uma das mais importantes causas modificáveis de morbi-mortalidade cardiovascular precoce na população adulta mundial, além de ser fator de risco independente para doenças cardiovasculares. Assim objetivou-se verificar a associação entre indicadores de risco cardiovascular e hipertensão arterial em professores universitários. Foram avaliados 145 professores da Universidade Federal de Viçosa (UFV), no ano de 2009, analisando-se as variáveis: sexo, idade, índice de massa corporal (IMC), relação cintura/quadril (RCQ), circunferência abdominal (CA), percentual de gordura (%G), colesterol total (CT), triacilglicerol (TG), glicose, pressão arterial sistólica (PAS) e diastólica (PAD) de repouso e consumo máximo de oxigênio (VO2máx). Utilizou-se o teste ANOVA one way para comparação entre indivíduos normotensos e pré-hipertensos e hipertensos. Calculou-se a razão de chances de desenvolvimento de quadros de PA elevada entre os indivíduos que apresentavam níveis indicativos de risco cardiovascular. Todos os tratamentos possuíram nível de significância de p < 0,05. Os homens apresentaram valores significativamente maiores para idade, peso, estatura, IMC, RCQ, CA, PAS e PAD. Já as mulheres possuíam um %G significativamente elevado. Os indivíduos com níveis pressóricos elevados apresentaram valores maiores para todas as variáveis, à exceção do VO2máx. Observou-se associação os fatores de risco e elevação da PA somente para as variáveis: sexo, idade, IMC, CA, %G e TG. Conclui-se que o gênero, a idade, o IMC, a circunferência abdominal, o percentual de gordura corporal e os triacilgliceróis foram considerados indicadores de risco cardiovascular por apresentarem associação com a hipertensão arterial na amostra de professores avaliados.Hypertension is one of the most important modifiable causes of precocious cardiovascular morbid-mortality in the adult population worldwide, and it's an independent risk factor for cardiovascular disease. Thus we aimed to investigate the association between cardiovascular risk and blood pressure on universities professors. 145 professors from Universidade Federal de Viçosa (UFV) were evaluated, in 2009, analyzing the variables: gender, age, body mass index (BMI), waist / hip ratio (WHR), abdominal circumference (AC), percent body fat (% BF), total cholesterol (TC), triglyceride (TG), glucose, systolic blood pressure (SBP) and diastolic (DBP) at rest and maximal oxygen uptake (VO2max). We used ANOVA one way test for comparison between normotensive and prehypertensive and hypertensive individuals. It was calculated the odds ratio of high BP expansion among individuals who had indicative levels of cardiovascular risk. All treatments possessed a significance level of p < 0.05. Men showed significantly higher values for age, weight, height, BMI, WHR, AC, SBP and DBP. The women have had significantly higher % BF. Individuals with high blood pressure had higher values for all variables, except for VO2max. Association between risk factors and blood pressure increase was only observed to gender, age, BMI, % BF and BT. It is concluded that gender, age, BMI, abdominal circumference, percentage body fat and triglycerides were considered risk factors for cardiovascular disease associated with hypertension in the sample of professors evaluated.
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- 2011
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26. Treinamento em natação atenua a disfução contrátil de cardiomiócitos de ratos diabéticos Entrenamiento en natación atenúa la disfunción contráctil de cardiomiocitos de ratones diabéticos Swimming training attenuates contractile dysfunction in diabetic rat cardiomyocytes
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Márcia Ferreira da Silva, Maria do Carmo Gouveia Pelúzio, Paulo Roberto dos Santos Amorim, Vitor Neiva Lavorato, Natália Pereira do Santos, Luiz Henrique Marchesi Bozi, Arlete Rita Penitente, Daniel Luciano Falkoski, Felipe Gomes Berfort, and Antonio Jose Natali
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Natación ,esfuerzo físico ,miocitos cardíacos ,ratones ,diabetes mellitus ,Natação ,esforço físico ,miócitos cardíacos ,ratos ,diabete melito ,Swimming ,physical exertion ,myocytes, cardiac ,rats ,Diseases of the circulatory (Cardiovascular) system ,RC666-701 - Abstract
FUNDAMENTO: O diabete experimental promove disfunção contrátil em cardiomiócitos, mas os efeitos do treinamento em natação nesta disfunção não são conhecidos. OBJETIVO: Testar os efeitos de um programa de treino em natação (PTN) sobre a disfunção contrátil de cardiomiócitos de ratos com diabete experimental. MÉTODOS: Ratos Wistar (idade: 30 dias; peso corporal médio: 84,19 g) com diabete induzida por estreptozotocina (60 mg/kg de peso corporal; glicemia > 300 mg/dl) foram alocados em diabéticos sedentários (DS, n = 10) e diabéticos exercitados (DE, n = 13). Animais da mesma idade e peso serviram de controles sedentários (CS, n = 10) e controles exercitados (CE, n = 06). Os animais DE e CE foram submetidos a um PTN (05 dias/semana, 90 min/dia), por 08 semanas. Os miócitos do ventrículo esquerdo (VE) foram isolados e estimulados eletricamente a 3,0 Hz em temperatura ambiente (∼ 25º C). RESULTADOS: O diabete reduziu a função contrátil nos cardiomiócitos dos animais em relação aos controles (i.e., menor amplitude de contração, maior tempo de contração e relaxamento). O PTN atenuou a redução na amplitude de contração (CS, 11 ± 0,2% vs DE, 11,6 ± 0,2%), o tempo para o pico de contração (CS, 319 ± 5,8 ms vs DE, 333 ± 4,8 ms) e o tempo para 50% de relaxamento (CS, 619 ± 22,2 ms vs DE, 698 ± 18,6 ms) dos cardiomiócitos dos animais diabéticos. O diabete reduziu as dimensões dos cardiomiócitos, porém, o PTN minimizou a redução da largura e volume celular, sem alterar o comprimento. CONCLUSÃO: O programa de treino em natação atenuou a disfunção contrátil dos miócitos do VE de ratos com diabete experimental.FUNDAMENTO: La diabetes experimental promueve el trastorno contráctil de los cardiomiocitos, pero los efectos del entrenamiento en natación en este trastorno no se conocen. OBJETIVO: Probar los efectos de un programa de capacitación en natación (PTN) sobre el trastorno contráctil de cardiomiocitos de ratas con diabetes experimental. MÉTODOS: Ratas Wistar (edad: 30 días, peso corporal medio: 84,19 g) con diabetes inducida por estreptozotocina (60 mg/kg de peso corporal, glucosa > 300 mg/dl) fueron divididos en diabéticos sedentarios (DS, n = 10) y diabéticos ejercitados (DE, n = 13). Animales de la misma edad y peso sirvieron de controles sedentarios (CS, n = 10) y controles ejercitados (CE, n = 06). Los animales DE y CE se sometieron a un PTN (05 días/semana, 90 min/día), por 08 semanas. Los miocitos del ventrículo izquierdo (VI) fueron aislados y estimulados eléctricamente a 3,0 Hz en temperatura ambiente (~ 25º C). RESULTADOS: La diabetes disminuyó la función contráctil de los cardiomiocitos de los animales en comparación con los controles (es decir, menor amplitud de la contracción, la duración de la contracción y relajación). El PTN atenuó la reducción de la amplitud de la contracción (CS, 11 ± 0,2% frente a la DE, 11,6 ± 0,2%), el tiempo para la contracción máxima (CS, 319 ± 5,8 ms vs DE, 333 ± 4,8 ms) y el tiempo para el 50% de relajación (CS, 619 ± 22,2 ms vs DE, 698 ± 18,6 ms) de los cardiomiocitos de los animales diabéticos. La diabetes redujo las dimensiones de los cardiomiocitos, sin embargo, el PTN minimizó la reducción de la anchura y volumen celular, sin cambiar la longitud. CONCLUSIÓN: El programa de entrenamiento de natación atenuó la disfunción contráctil de los miocitos del VI de las ratas con diabetes experimental.BACKGROUND: Experimental diabetes promotes contractile dysfunction in cardiomyocytes, but the effects of swimming in this disorder are not known. OBJECTIVE: To test the effects of a swimming training program (STP) on cardiomyocyte contractile dysfunction in rats with experimental diabetes. METHODS: Wistar rats (age: 30 days; mean body weight: 84.19 g) with diabetes induced by streptozotocin (60 mg/kg body weight; glucose > 300 mg/dl) were divided into sedentary diabetic rats (SD, n = 10) and exercised diabetic rats (ED, n = 13). Animals of same age and weight served as sedentary controls (SC, n = 10) and exercised controls (EC, n = 06). Animals and ED and EC underwent a STP (05 days/week, 90 min/day) for 08 weeks. Left ventricular (LV) myocytes were isolated and electrically stimulated at 3.0 Hz at room temperature (∼ 25º C). RESULTS: Diabetes reduced contractile function in cardiomyocytes of animals compared to controls (i.e., lower amplitude of contraction, longer duration of contraction and relaxation). The STP attenuated the reduced amplitude of contraction (SC, 11 ± 0.2% vs ED, 11.6 ± 0.2%), time to peak contraction (SC, 319 ± 5.8 ms vs ED, 333 ± 4.8 ms) and time to 50.0% of relaxation (SC, 619 ± 22.2 ms vs ED 698 ± 18.6 ms) of cardiomyocytes of diabetic rats. Diabetes reduced the size of cardiomyocytes, however, the STP minimized the reduction of cell volume and width, without changing length. CONCLUSION: The swimming training program attenuated the contractile dysfunction of the LV myocytes of rats with experimental diabetes.
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- 2011
27. Associação do sexo, rede de ensino e turno escolar com os níveis de intensidade das atividades diárias de crianças medidos por acelerometria
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Isabella Toledo Caetano, Maicon Rodrigues Albuquerque, Edmar Lacerda Mendes, Fernanda Ribeiro Nascimento, and Paulo Roberto dos Santos Amorim
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Criança ,Recomendação de atividade física ,Intensidade ,Acelerometria ,Sports ,GV557-1198.995 - Abstract
Resumo Este estudo teve o objetivo de analisar as atividades físicas (AF) de crianças em relação às recomendações de AF (RAF) e as influências do sexo, rede de ensino e turno escolar. Foram avaliados 101 escolares de escolas públicas e privadas e turnos matutino e vespertino. Os dados foram coletados por acelerômetros durante três dias. Foi usado Teste t Student para as comparações entre o sexo, rede de ensino e turno escolar (p < 0,05). O tempo em atendimento às RAF em minutos por dia foram: Sexo: masculino = 171,01 ± 43,35 e feminino = 198,85 ± 53,47; rede de ensino: pública = 198,93 ± 48,85 e privada = 157,32 ± 40,34; turno escolar: matutino = 198,76 ± 47,64 e vespertino = 167,68 ± 47,75. O sexo femino, a escola pública e o turno matutino apresentaram maior nível de AF.
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28. Questionários para avaliação do nível de atividade física habitual em adolescentes brasileiros: uma revisão sistemática
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Mario Flávio Cardoso de Lima, Priscila Rita Niquini Ribeiro Lopes, Rafael Gonçalves Silva, Ricardo Campos de Faria, Paulo Roberto dos Santos Amorim, and João Carlos Bouzas Marins
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Atividade física ,Questionários ,Adolescentes ,Brasileiros ,Sports ,GV557-1198.995 - Abstract
Resumo O objetivo deste trabalho foi verificar diferentes questionários usados para medir o nível de atividade física (NAF) em adolescentes brasileiros entre 2007 e 2012. Para o desenvolvimento desta revisão, foram selecionados artigos que usavam questionários validados aplicados em adolescentes entre 10 e 19 anos. Após as buscas selecionaram-se 26 artigos para revisão. Foram encontrados mais de 10 modelos diferentes de questionários, o Questionário Internacional de Atividade Física (IPAQ) foi o usado com maior frequência entre os artigos pesquisados (28%), o que pode ser justificado por sua abrangência global. O uso de diferentes modelos de questionários dificulta a comparação dos resultados. Recomenda-se a adoção de um questionário único para a medida do NAF de adolescentes brasileiros.
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29. Anthropometric, cardiovascular and functional variables as indicators of health related physical fitness in university professors
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Osvaldo Costa Moreira, Renata Aparecida Rodrigues de Oliveira, Cláudia Eliza Patrocínio de Oliveira, Leonice Aparecida Doimo, Paulo Roberto dos Santos Amorim, and João Carlos Bouzas Marins
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Saúde ,Estilo de vida ,Testes de aptidão ,Adiposidade ,Antropometria ,Therapeutics. Pharmacology ,RM1-950 ,Sports medicine ,RC1200-1245 - Abstract
AbstractObjective To verify the behavior of anthropometric, cardiovascular and functional variables as indicators of health-related physical fitness in university professors and perform a comparison of these variables between sexes.Materials and methods We conducted an observational epidemiological cross-sectional study in 145 professors (45.86 ± 9.7 years), 103 men (71.03%), which were evaluated by measuring heart rate (HR) and systolic (SBP) and diastolic (DBP) pressure at rest, body weight, height, body mass index (BMI), body fat percentage (BF%), handgrip strength (HGS), flexibility and cardiorespiratory fitness (CRF). We proceeded to the descriptive analysis, Student t-test for comparison between sexes and multiple regression analysis to verify the association between the variables analyzed. It was adopted a significance level of p < 0.05.Results The sex affected all variables. Women had better levels of BMI, flexibility, SBP and DBP. The BF% and CRF were associated with SBP and BMI in both sexes.Conclusion The behavior of anthropometric, cardiovascular and functional variables indicated unsatisfactory values for flexibility, HGS and BMI, with the worst levels among men. Furthermore, the variables that showed better association with HRPF were BF% and CRF.
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30. The effect of a breakfast’s glycaemic index and type of hydration on metabolism and cycling performance: a crossover, randomized, controlled clinical trial. [El efecto del índice glucémico del desayuno y el tipo de hidratación en el metabolismo y el rendimiento del ciclismo: un ensayo clínico cruzado, aleatorizado y controlado]
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Maria do Carmo Gouveia Peluzio, João Carlos Bouzas Marins, Priscila Alvez Tomaz, Rita de Cássia Gonçalves Alfenas, Paulo Roberto dos Santos Amorim, and Mariana de Melo Cazal
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Meal ,exercise ,business.industry ,digestive, oral, and skin physiology ,VO2 max ,Physical Therapy, Sports Therapy and Rehabilitation ,Carbohydrate metabolism ,Water consumption ,glycaemic response ,pre-exercise meal ,Recreation. Leisure ,isotonic solutions ,Glycaemic index ,Animal science ,Postprandial ,carbohydrate ,Low glycaemic index ,GV557-1198.995 ,Geography. Anthropology. Recreation ,Ingestion ,Medicine ,business ,GV1-1860 ,Sports - Abstract
The purpose of this study was to compare the effect of the glycaemic index of breakfast on metabolic parameters and performance of cyclists with different types of hydration (water or isotonic beverage). Twelve male recreational cyclists participated in four experimental trials where they consumed either a high glycaemic index (HGI) or low glycaemic index (LGI) meal, 30 min before exercise on a cycle ergometer. Exercise was performed at 70% maximal oxygen uptake for 90 min followed by a 6 km performance. During each trial, 3 mL.kg-1 body mass of either water or isotonic beverage was provided. The postprandial glycaemic response and areas under the blood glucose curve 30 min after ingestion were higher after the consumption of the HGI meals than that after the consumption of the LGI meals. The glycaemic response and carbohydrate oxidation during the trials with isotonic beverage consumption were higher than that in trials with water consumption during exercise (p
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- 2021
31. Individuals with down syndrome exhibit reduced skin thermo sensitivity response during intermittent physical exercise
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Antônio José Natali, Leonardo Mateus Teixeira de Rezende, João Carlos Bouzas Marins, Thales Nicolau Prímola-Gomes, Emanuel Mattos Della Lucia, Eveline Torres Pereira, Paulo Henrique Gonçalves, Paulo Roberto dos Santos Amorim, Raquel Duarte Moreira Alves, and Tiago Ferreira Leal
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medicine.medical_specialty ,Down syndrome ,business.industry ,Internal medicine ,medicine ,Cardiology ,Physical exercise ,Sensitivity (control systems) ,medicine.disease ,business - Published
- 2020
32. Glycemic response during and after aerobic and resistance exercise training in type 2 diabetics: experimental study
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João Carlos Bouzas Marins, Lucas Henrique Coelho, Gustavo Ramos Dalla Bernardina, Paulo Roberto dos Santos Amorim, Robson Bonoto Teixeira, Lucinana Moreira Lima, and Yuri de Lucas Xavier Martins
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medicine.medical_specialty ,business.industry ,Resistance training ,Repeated measures design ,Type 2 Diabetes Mellitus ,030209 endocrinology & metabolism ,030204 cardiovascular system & hematology ,medicine.disease ,03 medical and health sciences ,0302 clinical medicine ,Diabetes mellitus ,Physical therapy ,Medicine ,Aerobic exercise ,In patient ,Analysis of variance ,business ,Glycemic - Abstract
Objective: To evaluate the interference of supervised resistance and aerobic training in glycemic levels during and after 36 sessions, belonging to a training period of three months in patients with type 2 diabetes mellitus (T2DM), as well as the comparison of both exercise training. Methods: This is a experimental study with twelve T2DM patients, all sedentary and attended by the Specialized Care Center of Viçosa-MG, randomized into aerobic (n = 6.54 ± 5 years) and resisted (n = 6.58 ± 9 years) groups. Capillary glycemia was collected before (M1), during (M2) and after (M3) each exercise session for 12 weeks with a weekly frequency of three days. It was used ANOVA for repeated measures followed by Tukey and Student’s test. Results: A mean drop in capillary glycemia was observed between M1 and M2 (p = 0.001), M2 and M3 (p = 0.001) and M1 and M3 (p = 0.001) in both groups. Conclusion: It is concluded that aerobic and resistance exercise training caused a decreased in the blood glucose during exercise sessions. The findings showed that both modes of exercise are important in the hyperglycemic treatment of T2DM patients.
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- 2020
33. Physical Inactivity is Liable to the Increased Cardiovascular Risk and Impaired Cognitive Profile
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Paulo Roberto dos Santos Amorim, Victor Paixão Rocha Aguiar, András Palotás, João Carlos Bouzas Marins, Robson Bonoto Teixeira, Samuel de Souza Magalhães Marques, Yuri de Lucas Xavier Martins, and Luciana Moreira Lima
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Male ,medicine.medical_specialty ,03 medical and health sciences ,0302 clinical medicine ,Risk Factors ,Internal medicine ,Diabetes mellitus ,Humans ,Medicine ,Verbal fluency test ,Dementia ,Cognitive Dysfunction ,030212 general & internal medicine ,Exercise ,Aged ,Anthropometry ,business.industry ,Incidence (epidemiology) ,Cognition ,Middle Aged ,medicine.disease ,Obesity ,Cross-Sectional Studies ,Diabetes Mellitus, Type 2 ,Neurology ,Cardiovascular Diseases ,Heart Disease Risk Factors ,Pedometer ,Female ,Neurology (clinical) ,Sedentary Behavior ,business ,030217 neurology & neurosurgery - Abstract
Background:Sedentary life-style is a significant public health issue. It increases the incidence of type-2 diabetes mellitus (DM2) and systemic arterial hypertension (SAH), which in turn may impair physical and mental health. In fact, disrupted glucose metabolism is characteristic of Alzheimer’s dementia, and it is often dubbed as type-3 diabetes.Objective:The purpose of this study was to assess the level of activity, body composition, cardiovascular risk and cognitive profile of patients with DM2 and/or SAH. The study was cross-sectional design.Methods:The sample consisted of 120 individuals which 35% men and 65% women, with an average of 64±9 years old and 60±11 years old, respectively. Various parameters were evaluated such as anthropometric variables, pedometer recordings and brief cognitive screening battery (BCSB), which assesses the immediate memory, verbal fluency, learning, late memory and recognition. Chi-square and Fisher's exact test were applied to observe possible differences between men and women. In addition to Kruskall-Wallis, in the comparison between patients with SAH; DM2 and SAH + DM2.Results:A high rate of physical inactivity was found among those enrolled in this project. Females were characterized by increased body fat, whereas men displayed visceral fat excess. BCSB demonstrated reduced verbal fluency, late memory and recognition, with women presenting significantly worse results.Conclusion:Low level of daily physical activity is apparently correlated with obesity, elevated cardiovascular risk, and cognitive dysfunction.
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- 2020
34. Validity and Reliability of a Piezoelectric Pedometer for Measuring Physical Activity in Children
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João Carlos Bouzas Marins, Fernanda Rocha de Faria, Karina Lúcia Ribeiro Canabrava, Jeffer Eidi Sasaki, Cheryl A. Howe, Rômulo José Mota Júnior, Dartagnan Pinto Guedes, and Paulo Roberto dos Santos Amorim
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medicine.medical_specialty ,Step counting ,Physical activity ,Validity ,030209 endocrinology & metabolism ,Physical Therapy, Sports Therapy and Rehabilitation ,030229 sport sciences ,Physical activity level ,Activity monitor ,03 medical and health sciences ,0302 clinical medicine ,Pedometer ,Physical therapy ,medicine ,Early adolescents ,Orthopedics and Sports Medicine ,Psychology ,Reliability (statistics) - Abstract
The purpose of this study was to determine the validity and reliability of the Power Walker® 610(PW) pedometer for step counting in children. The study sample was composed of 30 boys and 22 girls, ...
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- 2020
35. Sleep, sedentary behavior, and physical activity in Brazilian adolescents: Achievement recommendations and BMI associations through compositional data analysis
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Sabrina Fontes Domingues, Cristiano Diniz da Silva, Fernanda Rocha Faria, Helton de Sá Souza, and Paulo Roberto dos Santos Amorim
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Data Analysis ,Male ,Multidisciplinary ,Cross-Sectional Studies ,Adolescent ,Accelerometry ,Humans ,Female ,Sedentary Behavior ,Sleep ,Exercise ,Brazil ,Body Mass Index - Abstract
Physical activity, sedentary behavior (SB), and sleep are habitual human behaviors (HHB) which are modifiable throughout the different life phases. Therefore, it is necessary to analyze how the time distribution throughout the day among HHB may be associated with body mass index (BMI). These results could provide inferences which can guide interventions that trigger changes in adolescent behaviors in favor of their health. The objective of this study was to verify the proportion of adolescents who meet the recommendation of sleep, moderate to vigorous physical activity (MVPA), and screen time (ST); to analyze the associations between HHB and BMI, and to determine possible changes in BMI associated with time reallocation between different HHB. Daily HHB recommendations (yes/no) were analyzed by frequency distribution. Compositional data analyses were used to examine the association between HHB and the BMI z-score (zBMI) with covariates (sex, age, and socioeconomic status). Compositional isotemporal substitution models estimated the change in zBMI associated with HHB reallocations from 15 to 120 minutes. A total of 185 adolescents were included (15 to 18 years, 50.8% boys). Thus, total sleep time, SB, light physical activity (LPA) and MVPA were measured by 24-hour accelerometry for seven consecutive days. ST, demographic characteristics, and socioeconomic status were assessed using a questionnaire. Sleep, MVPA, and ST recommendations were achieved by 32.97%, 8.10%, and 1.08% of the sample, respectively. No adolescent was able to achieve all of the daily recommendations. Age was significantly and positively associated with zBMI (pzBMI (95CI% z-value, 0.01 to 1.49). The HHB relocation estimates in 24h did not show positive effects on zBMI, nor did it increase the time engaged in MVPA, which may raise the hypothesis that other parameters related to obesity and their related interactions need to be better understood.
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- 2021
36. Physical activity and quality of life among college students without comorbidities for cardiometabolic diseases: systematic review and meta-analysis
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Catarina Maria Nogueira de Oliveira Sediyama, Silvia Eloiza Priore, Sarah Aparecida Vieira Ribeiro, Lívia Carvalho Sette Abrantes, Núbia de Souza de Morais, Vivian Siqueira Santos Gonçalves, Sylvia do Carmo Castro Franceschini, and Paulo Roberto dos Santos Amorim
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Gerontology ,Male ,Quality of life ,medicine.medical_specialty ,Population ,Review ,Vitality ,Surveys and Questionnaires ,Medicine ,Humans ,Higher education ,education ,Child ,Students ,Exercise ,education.field_of_study ,business.industry ,Physical activity ,Public health ,Public Health, Environmental and Occupational Health ,medicine.disease ,Obesity ,Mental health ,University students ,Meta-analysis ,Cardiovascular Diseases ,Systematic review ,Observational study ,Female ,business - Abstract
Purpose To systematically review studies on the relationship between physical activity (PA) and quality of life (QOL) in university students without comorbidities for cardiometabolic diseases from around the world. Methods We included observational studies with university students of both sexes, from public or private institutions, and that investigated the association or correlation between physical activity and quality of life among these students, without delimitation of date, language, or location. Reviews, letters to the editors, studies with qualitative methodologies, case studies, book chapters, articles with college students who had some specific disease or condition, such as obesity, diabetes, and others; studies with children of parents with chronic diseases, and those that were institutions aimed only at very specific populations, were excluded. Meta-analysis was calculated. Results Thirty studies, consisting of 19,731 students, were included. The most commonly used instruments to assess the quality of life of the university population were the Quality of Life Questionnaire—short version (WHOQOL-BREF), and the Medical Outcomes Study 36-Item Short-Form Health Survey (SF-36). The International Physical Activity Questionnaire (IPAQ) was the most commonly used instrument to assess PA. For the meta-analysis, 22 studies were included. Weak but positive correlations were found between PA and the QOL domains: physical health (0.16. 95% CI 0.11 0.22; I2 = 99.96%); mental health (0.14; 95% CI 0.07–0.20; I2 = 99.97%); social relations (0.24, 95% CI 0.08–0. 38; I2 = 99.99%); environment (0.23, 95% CI 0.14–0.32; I2 = 99.90%); vitality (0.17. 95% CI 0.15–0.20; I2 = 99.49%) pain (0.02. 95% CI − 0.02 to 0.12; I2 = 99.96%); QOL and PA (0.21, 95% CI 0.08–0.34; I2 = 99.99%).An association of R = 0.60 (95% CI 0.25–0.95; I2 = 85.61%) was found between QOL and PA in total. Conclusion The results of our study showed a weak but positive relationship between physical activity and overall quality of life in college students, and also between PA and the domains of QL: physical health, social relationships, mental health, environment, and vitality, in this same population. It is important to study this population, since risk behaviors in this phase tend to perpetuate in the other phases of life.
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- 2021
37. Is relative fat mass a better indicator of high blood pressure levels when compared to other anthropometric indexes?
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Nádia Vieira Alves Alvarenga, Paulo Roberto dos Santos Amorim, Luciana Moreira Lima, Marisa Assis Almeida, Wellington Segheto, João Carlos Bouzas Marins, and Amanda Botelho Franco
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Adult ,Male ,Waist ,Medicine (miscellaneous) ,Body adiposity index ,Logistic regression ,Body Mass Index ,Risk Factors ,Statistics ,Medicine ,Humans ,Adiposity ,Nutrition and Dietetics ,Receiver operating characteristic ,Anthropometry ,business.industry ,Area under the curve ,Middle Aged ,Blood pressure ,Cross-Sectional Studies ,Logistic Models ,Hypertension ,Female ,business ,Body mass index - Abstract
Background: relative fat mass (RFM) has been proposed recently, and the effectiveness in relation to other anthropometric indexes already consolidated regarding the predictive capacity of high blood pressure levels (HBPL) has not been investigated yet. Objectives: the objective was to analyze the predictive capacity of RFM for HBPL, and to compare it with others indexes. Methods: a cross-sectional study was conducted with 896 individuals. Weight, height, hip, waist circunference (WC), and neck circunference measurements were evaluated, and RFM, body mass index (BMI), body adiposity index, waist/hip ratio, and waist/height ratio were calculated. Systolic (SBP) and diastolic (DBP) blood pressures were measured on one occasion. Descriptive statistics, Pearson's correlation, a logistic regression model, and the analysis of the receiver operating characteristic (ROC) curves were used. Results: HBPL proportion was higher in men (34.68 %, p0.01). There was a positive correlation (p0.01) between all anthropometric measurements and SBP and DBP. WC in males (OR, 3.66; p0.01) and BMI in females (OR, 5.06; p0.01) showed the greatest associations with HBPL. There was no statistical difference (p0.05) in the area under the curve. Conclusions: the findings of our study suggest that RFM is not the best index for predicting HBPL, although it has shown positive associations.Introducción: se ha propuesto recientemente la medida de la masa grasa relativa (RFM) como predictor de la hipertensión arterial (HBPL), aunque su valor predictivo y la comparación con otros índices antropométricos está por evaluar. Objetivos: el objetivo fue analizar la capacidad predictiva de la RFM para el HBPL y compararlo con otros índices. Métodos: se realizó un estudio transversal con 896 individuos. Se evaluaron las medidas de peso, talla, cadera, circunferencia de la cadera (CC) y circunferencia del cuello, y se calcularon la RFM, el índice de masa corporal (IMC), el índice de adiposidad corporal, la relación cintura/cadera y la relación cintura/estatura. En una ocasión se midió la presión arterial sistólica (PAS) y diastólica (PAD); se utilizaron la estadística descriptiva, la correlación de Pearson, un modelo de regresión logística y el análisis de las curvas Receiver Operating Characteristic (ROC). Resultados: la proporción de HBPL fue mayor en los hombres (34,68 %; p0,01). Hubo una correlación positiva (p0.01) entre todas las medidas antropométricas y PAS y PAD. La CC en los hombres (OR: 3,66; p0,01) y el IMC en las mujeres (OR: 5,06; p0,01) mostraron las mayores asociaciones con los HBPL. No hubo diferencia estadística (p0.05) en el área bajo la curva. Conclusiones: los hallazgos de nuestro estudio sugieren que la RFM no es el mejor índice para predecir el HBPL, aunque ha mostrado asociaciones positivas.
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- 2021
38. Ecological correlates related to adolescent movement behaviors: A latent class analysis
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Isabella Toledo Caetano, Valter Paulo Neves Miranda, Fernanda Karina dos Santos, and Paulo Roberto dos Santos Amorim
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Multidisciplinary ,Cross-Sectional Studies ,Adolescent ,Adolescent Behavior ,Latent Class Analysis ,Humans ,Sedentary Behavior ,Exercise - Abstract
The ecological model has been widely used to help researchers understand the multiple influences in the physical activity (PA) and in the sedentary behaviors in isolated forms. To date, few correlates concerning the behavioral groupings of PA and sedentary behaviors have been studied. In this context, this study aimed to identify movement behaviors’ latent classes related to the different adolescents’ PA and sedentary time expressions, as well as their associations with individual, sociodemographic, family, and environmental correlates. This is a cross-sectional study with 309 students aged between 14 and 16. Latent Class Analysis was used to identify movement behavior classes based on light PA, moderate to vigorous PA, number of steps, sedentary time, and screen time (ST). An accelerometer was used to evaluate movement behaviors. The individual, sociodemographic, family, and environmental correlates were assessed by questionnaires. Three classes were identified: Class 1, "Active and Non-Sedentary" (8.10% of the sample), Class 2, "Active and Sedentary" (28.5%), and Class 3, "Inactive and Sedentary" (63.4%). Those with low fruit intake, low aerobic fitness, stressed and whose head of the family obtained an ‘elementary school’ level education were, respectively, 7.17, 3.59, 3.56, and 4.40 times more likely to belong to class 3 than class 1. Those with medium and high socioeconomic status were 82% and 83% less likely to belong to class 1 than classes 2 and 3, respectively. Adolescents who perceived the neighborhoods with the best access to diversified land use, street connectivity, walking/pedaling ease, and traffic safety attributes, were 84%, 85%, 82%, and 82%, respectively less likely to belong to class 1 than class 2. It is concluded that distinct correlates can be associated with the movement behaviors classes.
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- 2021
39. Questionários para avaliação do nível de atividade física habitual em adolescentes brasileiros: uma revisão sistemática
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Mario Flávio Cardoso de Lima, Priscila R. N. R. Lopes, Rafael Gonçalves Silva, João Carlos Bouzas Marins, Paulo Roberto dos Santos Amorim, and Ricardo Campos de Faria
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Questionnaires ,lcsh:Sports ,Health (social science) ,Physical activity ,Atividade física ,Physical Therapy, Sports Therapy and Rehabilitation ,030229 sport sciences ,Adolescents ,Brasileños ,lcsh:GV557-1198.995 ,03 medical and health sciences ,0302 clinical medicine ,Brasileiros ,Actividad física ,Questionários ,030212 general & internal medicine ,Cuestionarios ,Adolescentes ,Brazilian people - Abstract
Resumo O objetivo deste trabalho foi verificar diferentes questionários usados para medir o nível de atividade física (NAF) em adolescentes brasileiros entre 2007 e 2012. Para o desenvolvimento desta revisão, foram selecionados artigos que usavam questionários validados aplicados em adolescentes entre 10 e 19 anos. Após as buscas selecionaram-se 26 artigos para revisão. Foram encontrados mais de 10 modelos diferentes de questionários, o Questionário Internacional de Atividade Física (IPAQ) foi o usado com maior frequência entre os artigos pesquisados (28%), o que pode ser justificado por sua abrangência global. O uso de diferentes modelos de questionários dificulta a comparação dos resultados. Recomenda-se a adoção de um questionário único para a medida do NAF de adolescentes brasileiros. Abstract The aim of this study was to verify different questionnaires used to measure the physical activity level (PAL) in Brazilian adolescents between 2007 to 2012. For the development of this review, articles that used validated questionnaires applied in 10-19 year old adolescents were selected. Then, 26 articles were selected for review. Were found more than 10 different models of questionnaires, being the IPAQ the most used (28%), what may be justified due to its global reach. The use of different questionnaire templates makes it difficult to compare results. The adoption of a single questionnaire for the PAL measurement in Brazilian adolescents is recommended. Resumen El objetivo de este estudio fue verificar los diferentes cuestionarios usados para medir el nivel de actividad física (NAF) en adolescentes brasileños entre los años 2007 y 2012. Para el desarrollo de esta revisión, se seleccionaron artículos que utilizaban cuestionarios validados en adolescentes de 10 a 19 años. Tras las búsquedas, se seleccionaron 26 artículos para su revisión. Se encontraron más de 10 modelos distintos de cuestionarios, entre los cuales el IPAQ se utiliza con mayor frecuencia en los diferentes artículos revisados (28%), lo que puede justificarse por su alcance global. El uso de diferentes modelos de cuestionarios dificulta la comparación de los resultados. Se recomienda la adopción de un único cuestionario para la medición del NAF de los adolescentes brasileños, lo cual es una necesidad perentoria.
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- 2019
40. Evaluation of lifestyle of female adolescents through latent class analysis approach
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Eliane Rodrigues de Faria, Silvia Eloiza Priore, Valter Paulo Neves Miranda, Paulo Roberto dos Santos Amorim, Sylvia do Carmo Castro Franceschini, Ronaldo Rocha Bastos, and Vitor Gabriel Barra Souza
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Male ,medicine.medical_specialty ,Adolescent ,Alcohol Drinking ,030209 endocrinology & metabolism ,Motor Activity ,Adolescents ,03 medical and health sciences ,Screen time ,0302 clinical medicine ,Cluster analysis ,Multiple correspondence analysis ,Latent class analysis ,Covariate ,Medicine ,Humans ,030212 general & internal medicine ,Exercise ,Life Style ,Sedentary lifestyle ,business.industry ,Physical activity ,Public health ,lcsh:Public aspects of medicine ,Public Health, Environmental and Occupational Health ,Objective method ,lcsh:RA1-1270 ,Lifestyle ,Latent class model ,Sedentary behavior ,Cross-Sectional Studies ,Adolescent Behavior ,Female ,business ,Alcohol consumption ,Demography ,Research Article - Abstract
Background Lack of regular physical activity, high sedentary behavior and presence of unbalanced alimentary practices are attitudes associated with an inadequate lifestyle among female adolescents. Objective to assess the lifestyle of female adolescents based on measurements of behavioral variables. Methods Cross-sectional study with 405 female adolescents between 14 and 19 years old, resident and attending public schools in Viçosa (state of Minas Gerais). Their lifestyle was analyzed by the Physical Activity Recall, number of steps, screen time (ST), cellphone time (CT), sitting time, food frequency questionnaire (FFQ), and alcohol and tobacco consumption. With multiple correspondence analysis it was possible to observe dispersion and approximation of the variables’ categories. Latent class analysis (LCA) was used for modeling the “lifestyle” variable, having been conducted in the poLCA (Polychromous Variable Latent Class Analysis) package of the R statistical software. Results The mean age was 15.92 ± 1.27 years. Most of the adolescents were considered physically inactive (78%) and with low number of steps (82.57%); 41.45% reported not performing Moderate to Vigorous Physical Activities (MVPA) adequately. Sedentary behavior was found high when assessing ST (72.90%) and CT (65.31%). It was found the best fitted latent class model for the lifestyle (p-G2 = 0.055, p-χ2 = 0.066) featured three latent classes and one covariate (alcohol): Class 1, ‘Inactive and Sedentary’ (γ = 77.5%); Class 2, ‘Inactive and Non-sedentary lifestyle (γ=16.31%); and Class 3, ‘Active and sedentary’ (γ=6.19%). Female adolescents that had ‘never consumed alcohol’ were 2.26 times as likely (log OR = 0.8174; p = 0.033) to belong to class 3 (Active & Sedentary lifestyle) than to class 1 (Inactive & Sedentary lifestyle). Conclusion Latent class analysis model with five manifest variable (MVPA, number of steps, ST, sitting time and number of meals) and alcohol consumption like covariate showed itself to be an accurate and objective method in the assessment of female adolescents’ lifestyle. Female adolescents that had ‘never consumed alcohol’ were more as likely to belong to class ‘Active & Sedentary lifestyle’ than to class Inactive & Sedentary lifestyle. An inactive and sedentary lifestyle is coupled to other unhealthy behaviors during adolescence, possibly carrying over into adult life.
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- 2019
41. Utilização de Métodos Objetivos na Avaliação da Atividade Física de Trabalhadores Brasileiros: Uma Revisão Sistemática
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Paulo Roberto dos Santos Amorim, João Carlos Bouzas Marins, and Renata Aparecida Rodrigues de Oliveira
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Atividade Física ,Medida Objetiva ,Trabalhadores ,Brasileiros ,General Medicine - Abstract
Introdução: Quantificar o nível de atividade física (AF) na população em idade laboral tem sido necessário, pois o sedentarismo compreende um dos fatores de risco mais importante na sociedade atual. Porém, para sua quantificação existem métodos subjetivos quanto objetivos, que por suas características podem produzir resultados discrepantes. Objetivo: Verificar o uso de métodos objetivos para avaliação da atividade física (AF) de trabalhadores brasileiros. Métodos: Realizou-se uma pesquisa nas bases de dados Lilacs, Scielo e Pubmed, com artigos originais publicados nos últimos 10 anos sobre trabalhadores brasileiros. Foram encontrados 130 trabalhos empregando métodos tanto subjetivos como objetivos, porém foram incluídos somente estudos que utilizaram métodos objetivos. Após verificação dos critérios de inclusão e exclusão, foram selecionados quatro artigos.Resultados: Os estudos apresentaram faixa etária variada e foram conduzidos em duas diferentes regiões do país (Sudeste e Centro Oeste). Como principais achados dos estudos, verificou-se que o número de passos se associa com os fatores de risco cardiovasculares entre trabalhadores e que a atividade desempenhada tem associação com a carga cardiovascular e a variabilidade da frequência cardíaca.Conclusão: Há uma escassez de estudos conduzidos em trabalhadores brasileiros utilizando métodos objetivos, uma vez que a maioria dos estudos utiliza técnicas subjetivas.
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- 2021
42. Comparação entre as Recomendações do American College Sport Medicine para a Realização de Exercício Aeróbico e a Prática Autosselecionada por Mulheres
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João Carlos Bouzas Marins, Osvaldo Costa Moreira, Renata Aparecida Rodrigues de Oliveira, Paulo Roberto dos Santos Amorim, and Flávia Xavier de Andrade Lage
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General Medicine - Abstract
Introdução: É corriqueira a prática de atividade física (AF) de forma autosselecionada por essas pessoas.Objetivo: Estabelecer os padrões de AF autosselecionado por mulheres durante a caminhada, corrida e trote e verificar se atendem às diretrizes do American College Sports Science (ACSM) para sua prática.Materiais e Métodos: Participaram do estudo 80 mulheres, sendo divididas em quatro grupos etários (G1 = 20-29 anos; G2 = 30-39 anos; G3 = 40-49 anos; G4 = 50-59 anos). Na primeira etapa foram realizados os procedimentos antropométricos. A segunda etapa consistiu em avaliar uma sessão de exercício sob intensidade autosselecionada através de um monitor cardíaco e IPE.Resultados: Ao analisar o escore do índice de percepção de esforço (IPE), foi encontrado que 43,8% da amostra esteve dentro da intensidade “vigorosa” e 26,3% “moderada”, ambas estando dentro das recomendações do ACSM. Em relação ao percentual da FC (%FC) média, todos os grupos estiveram de acordo com as diretrizes. Quanto ao tempo total da sessão e frequência semanal, todos os grupos atingiram as recomendações mínimas.Conclusão: A maioria das avaliadas autosselecionou intensidades dentro do recomendado pelo ACSM, quando analisado a %FC média, IPE, tempo de treino e frequência semanal.
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- 2021
43. EQUILIBRIO HÍDRICO DURANTE ENTRENAMIENTO DE TAEKWONDO
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Priscila Rita Niquini, João Carlos Bouzas Marins, Felipe G. Belfort, Paulo Roberto dos Santos Amorim, Carlos Henryque Souza e Silva, Rafael Pires da Silva, and Cassia Farias Fernandes Gonçalves
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0301 basic medicine ,medicine.medical_specialty ,education ,Martial arts ,Physical Therapy, Sports Therapy and Rehabilitation ,Deshidratación ,Thirst ,03 medical and health sciences ,0302 clinical medicine ,Fluid therapy ,Fenômenos fisiológicos da nutrição esportiva ,Artes marciais ,medicine ,Technical training ,Orthopedics and Sports Medicine ,Balance (ability) ,Hydration status ,030109 nutrition & dietetics ,biology ,Dehydration ,Urine specific gravity ,business.industry ,Athletes ,Significant difference ,Sports nutritional physiological phenomena ,Training (meteorology) ,030229 sport sciences ,biology.organism_classification ,Artes marciales ,Desidratação ,Hidratação ,Fenómenos fisiológicos en la nutrición deportiva ,Sports medicine ,Physical therapy ,medicine.symptom ,business ,Fluidoterapia ,RC1200-1245 - Abstract
Introduction Dehydration has been described as one of the main factors of reduced performance in combat sports activities, leading to death in extreme cases. Objective To investigate the pre-training hydration status and changes in fluid homeostasis during two taekwondo training sessions. Methods Eighteen male college athletes (age 22.6 ± 3.37 years) were assessed. The study design aimed to reproduce the conditions of a 90-minute taekwondo training session, divided into three stages: a) warm-up exercises (20 min); b) poomsae (30 min) and c) technical training (40 min). The athletes had ad libitum water intake during training. To assess the hydration status we considered body mass (BM), the amount of liquid consumed and urine output, which enabled us to establish absolute and relative fluid loss in kg and percentage as well as the sweating rate. We also considered urine specific gravity (USG), urine color (U-COL), and subjective sensation of thirst (Sthirst) before and after the training session. Pre- and post-training results were compared separately in each session and between sessions. Results There was a significant difference (P1,020g.ml-1). Conclusions The athletes tended to start the training sessions in dehydration status, which increases over the course of the training. Ad libitum water intake was not sufficient to balance fluid loss. Changes in fluid levels between sessions were similar. Level of Evidence II; Therapeutic Studies Investigating the Results Level of Treatment. RESUMO Introdução A desidratação tem sido descrita como um dos principais fatores de redução de desempenho em atividades de luta, levando, em casos extremos, à morte. Objetivos Investigar o estado da hidratação antes do treino e as alterações no balanço hídrico corporal durante dois treinamentos de taekwondo. Métodos Foram avaliados 18 atletas universitários do sexo masculino (22,6 ± 3,37 anos). O desenho do estudo procurou reproduzir uma condição de treinamento de taekwondo com duração de 90 minutos, dividido em três etapas: a) aquecimento (20 min.), b) poomsae (30 min.) e c) treino técnico (40 min.). Durante o treino, adotou-se o consumo de água ad libitum. Para avaliar o estado de hidratação, considerou-se a massa corporal (MC), a quantidade de líquido consumido e o volume de urina produzido, o que permitiu estabelecer a perda hídrica absoluta e relativa em kg e porcentagem, além da taxa de sudorese. Foi considerada ainda a gravidade específica da urina (GEU), bem como sua coloração (COL-U), além da sensação subjetiva de sede (SSede) antes e depois do treino. Os resultados antes e depois do treino foram comparados de forma isolada em cada sessão, assim como entre as sessões. Resultados Houve diferença significativa (P < 0,05) da MC pré-treinamento entre os dois dias de treino. Houve redução significativa (P < 0,05) da MC final em ambos os dias de experimento. A maior parte dos avaliados apresentou desidratação relativa inferior a 2%. Registrou-se diferença significativa (P < 0,05) antes e depois do treino para COL-U e para SSede, com os maiores índices obtidos ao final de cada sessão. Os participantes sempre iniciaram o comparados de forma isolada em cada sessão, assim como entre as sessões. Resultados Houve diferença significativa (P < 0,05) da MC pré-treinamento entre os dois dias de treino. Houve redução significativa (P < 0,05) da MC final em ambos os dias de experimento. A maior parte dos avaliados apresentou desidratação relativa inferior a 2%. Registrou-se diferença significativa (P < 0,05) antes e depois do treino para COL-U e para SSede, com os maiores índices obtidos ao final de cada sessão. Os participantes sempre iniciaram o treinamento em leve estado de desidratação (GEU > 1.020 g.ml-1). Conclusões Os atletas tendem a iniciar os treinamentos em estado de desidratação, que se amplia durante o treino. O consumo de líquidos ad libitum não foi suficiente para equilibrar a perda hídrica. As alterações hídricas entre as sessões foram semelhantes. Nível de Evidência II; Estudos terapêuticos– Investigação dos resultados do tratamento. RESUMEN Introducción La deshidratación ha sido descrita como uno de los principales factores de reducción del desempeño en actividades de lucha, llevando, en casos extremos, a la muerte. Objetivos Investigar el estado de la hidratación antes del entrenamiento y las alteraciones en el balance hídrico corporal durante dos entrenamientos de taekwondo. Métodos Se evaluaron 18 atletas universitarios del sexo masculino (22,6 ± 3,37 años). El diseño del estudio intentó reproducir una condición de entrenamiento de taekwondo con duración de 90 minutos, dividido en tres etapas: a) calentamiento (20 min); b) poomsae (30 min); y c) entrenamiento técnico (40 min). Durante el entrenamiento, se adoptó el consumo de agua ad libitum. Para evaluar el estado de hidratación, se consideró la masa corporal (MC), la cantidad de líquido consumido y el volumen de orina producido, lo que permitió establecer la pérdida hídrica absoluta y relativa en kg y porcentaje, además de la tasa de sudoración. Fue considerada además la gravedad específica de la orina (GEO), así como su coloración (COL-O), además de la sensación subjetiva de sed (SSed), antes y después del entrenamiento. Los resultados antes y después del entrenamiento fueron comparados de forma aislada en cada sesión, así como entre las sesiones. Resultados Hubo diferencia significativa (P 1.020 g.ml-1). Conclusiones Los atletas tienden a iniciar los entrenamientos en estado de deshidratación, que se amplía durante el entrenamiento. El consumo de líquidos ad libitum no fue suficiente para equilibrar la pérdida hídrica. Las alteraciones hídricas entre las sesiones fueron semejantes. Nivel de Evidencia II; Estudios terapéuticos - Investigación de los resultados del tratamiento.
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- 2021
44. Exercício aeróbico e intensidade autosselecionada por mulheres: uma revisão sistemática
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Renata Aparecida Rodrigues de Oliveira, Flávia Xavier de Andrade Lage, João Carlos Bouzas Marins, Osvaldo Costa Moreira, and Paulo Roberto dos Santos Amorim
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medicine.medical_specialty ,business.industry ,media_common.quotation_subject ,Physical fitness ,General Medicine ,Overweight ,medicine.disease ,Obesity ,Pleasure ,Feeling ,Heart rate ,Exercise intensity ,Physical therapy ,Medicine ,Aerobic exercise ,medicine.symptom ,business ,media_common - Abstract
Objetivo: Identificar o perfil das praticantes de exercícios aeróbicos sob intensidade autosselecionada. Métodos: Analisou-se os dados a partir das bases de dados PubMed e BVS, com artigos originais, realizados em mulheres acima de 18 anos de idade, publicados nos últimos 10 anos, com análise de exercício aeróbico de forma autosselecionada através da mensuração da frequência cardíaca (FC) e percepção subjetiva do esforço (PSE), sendo incluídos 20 artigos. Resultados: Foi encontrado em 15 estudos que a intensidade autosselecionada estaria dentro das recomendações para melhorar a saúde, além de obter resposta afetiva positiva e maior prazer quando comparado à intensidade imposta. Pessoas com sobrepeso e obesidade demonstraram um menor gasto energético quando comparado com pessoas eutróficas, além de caminharem em velocidade inferior. A idade parece não influenciar nas respostas afetivas, apenas nas respostas fisiológicas. Foi encontrado também maior sensação de prazer ao realizar atividade física (AF) ao ar livre quando comparado com ambiente interno. Conclusão: Quando a intensidade do exercício é autosselecionada, há maiores sensações de prazer e atendem às recomendações do American College of Sports Medicine (ACSM), além de promover melhorias na aptidão física.
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- 2020
45. Use of latent class analysis as a method of assessing the physical activity level, sedentary behavior and nutritional habit in the adolescents' lifestyle: A scoping review
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Danilo Reis Coimbra, Valter Paulo Neves Miranda, Márcio Vidigal Miranda Júnior, Paulo Roberto dos Santos Amorim, and Ronaldo Rocha Bastos
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Gerontology ,Male ,Epidemiology ,Health Status ,Entropy ,Social Sciences ,PsycINFO ,Adolescents ,Habits ,Families ,Medicine and Health Sciences ,Psychology ,Public and Occupational Health ,Child ,Children ,media_common ,Multidisciplinary ,Physics ,Sedentary behavior ,Research Assessment ,Latent class model ,Systematic review ,Latent Class Analysis ,Physical Sciences ,Medicine ,Thermodynamics ,Female ,Behavioral and Social Aspects of Health ,Research Article ,Adolescent ,Systematic Reviews ,Science ,media_common.quotation_subject ,MEDLINE ,Scopus ,Research and Analysis Methods ,Young Adult ,Humans ,Exercise ,Life Style ,Behavior ,Biology and Life Sciences ,Feeding Behavior ,Physical Activity ,Physical activity level ,Nutrition Assessment ,Age Groups ,Medical Risk Factors ,People and Places ,Population Groupings ,Habit ,Sedentary Behavior - Abstract
Background Currently, adolescents’ lifestyle is commonly characterized by physical inactivity, sedentary behavior, and inappropriate eating habits in general. A person-oriented approach as Latent Class Analysis (LCA) can offer more insight than a variable-centered approach when investigating lifestyle practices, habits, and behaviors of adolescent population. Objective The aim of the present study was to assess which variables are mostly used to represent the physical activity level, sedentary behavior SB) and nutritional habit in the adolescents’ lifestyle in studies that used the LCA. Design Scoping review. Methods The study was a performed in accordance with the proposed criteria for systematic reviews and meta-analyses—Preferred Reporting Items for Systematic Reviews and Meta-Analyses and registered in PROSPERO (CRD42018108444). The original articles were searched in MEDLINE/PubMed, Scopus, ScienceDirect, Web of Science, PsycINFO, and SPORTdiscus. The Quality Assessment Tool analyzed the risk of bias of the included studies. Results 30 original articles were selected. The physical activity level (28 studies), SB and nutritional habits (18 studies) were the most common variable used to evaluate the adolescent’s lifestyle by LCA model. Specifically, physical inactivity and high SB were the manifest variables with higher frequency in the negative latent classes (LCs) in adolescent girls. On the other hand, physical exercises and sports were activities more commonly labeled as positive LCs. Conclusions The LCA models of the most of selected studies showed that physical inactivity, high SB were the most common in the LCs with negative characteristics of the adolescents’ lifestyle. Better understanding the results of analyzes of clusters of multivariate behaviors such as the LCA can help to create more effective strategies that can make the lifestyle of adolescents healthier.
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- 2020
46. PREVALÊNCIA DE FATORES DE RISCO CORONARIANO E PRONTIDÃO PARA ATIVIDADE FÍSICA EM MULHERES PRATICANTES DE CAMINHADA E CORRIDA RECREATIVA
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Flávia Xavier de Andrade Lage, Osvaldo Costa Moreira, Renata Aparecida Rodrigues de Oliveira, João Carlos Bouzas Marins, and Paulo Roberto dos Santos Amorim
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Doenças cardiovasculares ,Atividade física ,Fatores de risco cardiovascular ,General Engineering - Abstract
Este estudo objetivou determinar a prontidão para atividade física e a prevalência de fatores de risco coronariano em mulheres praticantes de caminhada e corrida recreativa, através da aplicação dos questionários PAR-q e RISKO. Participaram do estudo 80 mulheres, sendo divididas em quatro grupos etários (G1 = 20-29 anos; G2 = 30-39 anos; G3 = 40-49 anos; G4 = 50-59 anos). Adotou-se como critério de inclusão mulheres que praticassem caminhada e ou corrida de forma recreativa há pelo menos dois meses sem orientação de um profissional de Educação Física, com frequência mínima de três vezes por semana. Utilizaram-se os questionários PAR-q, para determinar a prontidão para a prática de atividade física, e RISKO, para identificar os fatores de risco coronariano. Em relação ao PAR-q, 32,5% da amostra responderam positivamente à, pelo menos, uma questão, apresentando inaptidão para atividade física. A questão com maior índice de respostas positivas foi relacionada a episódios de tontura, correspondendo 18,8% da amostra. O G3 apresentou maior prevalência em relação aos demais grupos. O escore médio de risco coronariano obtido foi de 15,22 ± 3,29 pontos (risco abaixo da média), correspondendo 66,3% da amostra. Foram encontrados valores maiores nas avaliadas do G4. A questão com maior escore foi relacionada a hereditariedade, correspondendo 63,8% das entrevistadas. Assim, conclui-se que os grupos com maior faixa etária tiveram maior prevalência em respostas positivas no questionário PAR-q. Em relação ao RISKO, a maioria da amostra foi classificada como risco abaixo da média, sendo os fatores com maior prevalência hereditariedade, sexo e sobrepeso.
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- 2020
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47. Body image disorders associated with lifestyle and body composition of female adolescents
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Vitor Gb Souza, Sylvia Franceschini, Ronaldo Rocha Bastos, Valter Pn Miranda, Núbia de S. de Morais, Paulo Roberto dos Santos Amorim, Silvia Eloiza Priore, Paula Costa Teixeira, and Eliane Rodrigues de Faria
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Body Image Disorders ,Adult ,Adolescent ,Physical activity ,Medicine (miscellaneous) ,Human physical appearance ,Body fat percentage ,03 medical and health sciences ,Screen time ,Young Adult ,0302 clinical medicine ,030225 pediatrics ,Body Image ,Medicine ,Humans ,030212 general & internal medicine ,Life Style ,Nutrition and Dietetics ,business.industry ,Public Health, Environmental and Occupational Health ,Body Dysmorphic Disorders ,Latent class model ,Body shape questionnaire ,Cross-Sectional Studies ,Body Composition ,Female ,business ,Alcohol consumption ,Brazil ,Demography ,Research Paper - Abstract
Objective:To investigate the association between body image disorders and the lifestyle and body composition of female adolescents.Design:Cross-sectional study.Setting:The Body Shape Questionnaire (BSQ) and Silhouette Scale and Sociocultural Attitudes Towards Appearance Questionnaire-3 were used to evaluate the participants’ body image. Body composition was evaluated by a Dual-Energy X-ray Absorptiometry equipment, and lifestyles were identified by latent class analysis (LCA) using the poLCA package for R.Participants:Female adolescents aged 14–19 years old, in the city of Viçosa-MG, Brazil.Results:In total, 405 girls participated in the study. Almost half of the participants were dissatisfied with their current physical appearance (51·4 %), presented body perception distortions (52·9 %). 47·3 % of the adolescents were dissatisfied with their body according to the BSQ, and another 8 % severely so. Subjects with an ‘Inactive and Sedentary’ latent lifestyle were 1·71 times as likely to feel dissatisfied as those with active and sedentary or inactive and non-sedentary lifestyles (95 % CI 1·08, 2·90, P = 0·047). Body image disorders showed an association with decreased amounts of moderate and vigorous physical activity, high screen time, increased alcohol consumption and excess body fat.Conclusions:Particular patterns of lifestyle and body composition seem to be associated in female adolescents with dissatisfaction with, distortion of and excessive concern about appearance. Specifically, physical inactivity, sedentary behaviour, alcohol consumption and high body fat percentage may be strongly linked to body image disorders.
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- 2020
48. Association of Lifestyle and Body Composition on Risk Factors of Cardiometabolic Diseases and Biomarkers in Female Adolescents
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Fernanda Rocha de Faria, Karina Lúcia Ribeiro Canabrava, Paulo Roberto dos Santos Amorim, Ronaldo Rocha Bastos, Valter Paulo Neves Miranda, Sylvia do Carmo Castro Franceschini, Silvia Eloiza Priore, Maria do Carmo Gouveia Peluzio, and Márcio Vidigal Miranda Júnior
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Adult ,Article Subject ,Adolescent ,Immunology ,Physiology ,Blood Pressure ,030204 cardiovascular system & hematology ,Overweight ,Body fat percentage ,Young Adult ,03 medical and health sciences ,chemistry.chemical_compound ,Absorptiometry, Photon ,0302 clinical medicine ,Insulin resistance ,Risk Factors ,medicine ,Pathology ,Humans ,RB1-214 ,030212 general & internal medicine ,Life Style ,Sedentary lifestyle ,medicine.diagnostic_test ,business.industry ,Cell Biology ,Anthropometry ,medicine.disease ,Cross-Sectional Studies ,Blood pressure ,chemistry ,Body Composition ,Uric acid ,Female ,medicine.symptom ,Lipid profile ,business ,Research Article - Abstract
Background. Female adolescents are considered a risk group for cardiometabolic disease due to their lifestyle (LS). Objective. To evaluate the association between LS classes and body composition groups with cardiometabolic disease risk factors and pro- and anti-inflammatory biomarkers in female adolescents. Methods. This cross-sectional study was carried out with female adolescents aged 14 to 19 years, from Viçosa-MG, Brazil. Latent class analysis assessed LS classes. Kinanthropometric measurements were taken together with the body fat percentage (BF%), being analyzed by the Dual Energy X-ray Absorptiometry (DEXA) equipment. Blood pressure and biochemical parameters were analyzed in the Health Division of the Federal University of Viçosa. The pro- and anti-inflammatory biomarkers were analyzed using Luminex technology. Associations with biomarkers were estimated by multiple linear regression. Results. 405 female adolescents were evaluated. The majority, 82.57%, 72.90%, and 65.31%, were classified as inactive by the number of steps, with high screen and cell phone time, respectively. Furthermore, 41.55% did meet the minimum of 60 minutes of moderate-to-vigorous physical activity (MVPA) and 54.69% had high values of BF% (DEXA). The “Sedentary & Inactive LS” class together with the high levels of weight and BF% were associated with increased levels of blood pressure, lipid profile, and uric acid. It was also found that “Inactive & Sedentary LS”, high BF%, insulin resistance, and ultra-sensitive C-reactive protein were associated with the concentrations of proinflammatory biomarkers of tumor necrosis factor-α, interleukin-6, and leptin. Conclusion. We concluded that female adolescents with overweight/obese and high BF% presented higher values of anthropometric indicators, levels of blood pressure, concentration of uric acid and hs-CRP, and lower concentration of HDL. Inactive and Sedentary lifestyle of these girls, along with excess body fat, insulin resistance, and higher concentrations of hs-CRP were associated with the higher concentration proinflammatory markers.
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- 2020
49. Validade e confiabilidade de testes para a obtenção da frequência cardíaca máxima em natação
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João Carlos Bouzas Marins, Paulo Roberto dos Santos Amorim, Robson Bonoto Teixeira, Rafael Gonçalves Silva, Maicon Rodrigues Albuquerque, Guilherme de Azambuja Pussieldi, and Gustavo Ramos Dalla Bernardina
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Health (social science) ,Natação - Treinamento técnico ,Cardiac response ,Prueba física ,Physical exercise ,Physical Therapy, Sports Therapy and Rehabilitation ,030229 sport sciences ,Physical test ,Exercício físico ,Ejercicio físico ,Respuesta cardíaca ,Testes de função cardíaca ,03 medical and health sciences ,0302 clinical medicine ,Frequência cardíaca ,GV557-1198.995 ,Sports training ,Treinamento esportivo ,Entrenamiento deportivo ,030212 general & internal medicine ,Teste físico ,Resposta cardíaca ,Sports - Abstract
RESUMO O desenvolvimento de um protocolo específico na natação para detectar a Frequência cardíaca máxima (FCmáx) pode qualificar a prescrição e controle de treinamento na natação. Dessa forma, o estudo objetivou validar um teste específico para obtenção da FCmáx em natação, para o nado crawl. Onze nadadores masculinos, de nível universitário, nadaram as distâncias de 100 e 200 metros crawl, em velocidade máxima, com monitoramento da FC, através de um monitor cardíaco. A validade foi avaliada pela relação entre FCmáx e lactato e a confiabilidade por teste e reteste de cada distância. A FCmáx dos 100 e 200 metros no teste foi de 187,6 ± 7,23 e 187,6 ± 7,54 bpm (p > 0,05) e no reteste de 188,3 ± 8,3 e 189,5 ± 8 bpm (p > 0,05). Encontraram-se altos valores de correlação para FCmáx obtida e concentração de lactato nos dois testes (100 e 200 metros). Correlações positivas significativas entre teste e reteste mostraram a confiabilidade dos testes (100 metros - 0,910, p < 0,001 e 200 metros - 0,950, p < 0,001). Conclui-se que os testes propostos são capazes de gerar, com precisão, a FCmáx de nadadores de nível universitário, são uma importante variável usada para cálculo das zonas de intensidade do treinamento e ferramenta para monitoramento da evolução do atleta durante a temporada. ABSTRACT The development of a specific protocol to detect swimming Maximum Heart Rate (HRmax) can qualify the prescription and control training in swimming. Thus, the aim of this study was to validate a specific test to obtain HRmax in swimming, to freestyle. Eleven male swimmers, college-level, swam the distances of 100 and 200 meters at maximum speed, with heart rate monitoring, through a cardiac monitor. The validity was evaluated by the relation between HRmax and lactate, and the reliability by test and retest of each distance. The HRmax of the 100 and 200 meters in the test was 187.6±7.23 and 187.6±7.54 bpm (p>0.05) and in the retest of 188.3±8.3 and 189.5±8 bpm (p>0.05). High correlation values were found for HRmax obtained and lactate concentration in both tests (100 and 200 meters). Significant positive correlations between test and retest showed the reliability of the tests (100 meters - 0.910, p 0,05) y en el retest, 188,3 ± 8,3 y 189,5 ± 8 lpm (p > 0,05). Se encontraron elevados valores de correlación obtenidos para la FCmáx y la concentración de lactato en las dos pruebas (100 y 200 metros). Correlaciones positivas importantes entre el test y el retest mostraron la fiabilidad de las pruebas (100 metros: 0,910; p < 0,001 y 200 metros: 0,950; p < 0,001). Se concluye que las pruebas propuestas son capaces de generar, con precisión, la FCmáx de nadadores de nivel universitario y son una importante variable usada para calcular las zonas de intensidad del entrenamiento y una herramienta para el control de la evolución del nadador durante la temporada.
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- 2020
50. Impact of Recreational Sports Activities on Metabolic Syndrome Components in Adolescents
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João Carlos Bouzas Marins, Paulo Roberto dos Santos Amorim, Alynne Christian Ribeiro Andaki, Fernanda Carolina de Faria, Cheryl A. Howe, and Ricardo Campos de Faria
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Male ,medicine.medical_specialty ,lifestyle ,obesity ,Waist ,Adolescent ,Health, Toxicology and Mutagenesis ,lcsh:Medicine ,030209 endocrinology & metabolism ,Blood Pressure ,Body fat percentage ,Article ,Body Mass Index ,03 medical and health sciences ,chemistry.chemical_compound ,0302 clinical medicine ,medicine ,Humans ,030212 general & internal medicine ,Metabolic Syndrome ,medicine.diagnostic_test ,Cholesterol ,business.industry ,lcsh:R ,Body Weight ,Public Health, Environmental and Occupational Health ,medicine.disease ,Obesity ,accelerometer ,Blood pressure ,chemistry ,Physical therapy ,Metabolic syndrome ,Sedentary Behavior ,Lipid profile ,business ,Body mass index ,human activities ,Brazil ,Sports - Abstract
We investigated the impact of a sports activities program on metabolic syndrome (MetS) components and pre-MetS among adolescents. Blood samples, blood pressure, weight, height, body mass index, waist circumference, body fat percentage, frequency of food consumption, daily time in moderate-to-vigorous physical activity (MVPA), and sedentary behavior (SB) of 92 male adolescents aged 14&ndash, 18 years (16.07 ±, 0.93) were evaluated. From this initial sample, 36 participants (39.1%) were diagnosed with pre-MetS or MetS and were invited to participate in the intervention program. Twelve individuals diagnosed with pre-MetS or MetS agreed to participate in a recreational sports activities program lasting 14 weeks. The pre- and post-sport program comparison showed a reduction in total cholesterol, low-density lipoprotein, and non-high-density lipoprotein (HDL), and an increase in HDL and MVPA time in the intervention group. Sports activities accounted for 42% of the MVPA daily recommendation, and at the end of the intervention period, only seven subjects maintained a positive diagnosis for pre-MetS or MetS. This study showed that recreational sports activities had a significant impact on the lipid profile.
- Published
- 2019
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