179,121 results on '"sedentary"'
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2. Exploring the effect of sedentary behavior on increased adiposity in middle-aged adults.
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Macías, Nayeli, Monterrubio-Flores, Eric, Salmerón, Jorge, Meneses-León, Joacim, Flores, Yvonne, Jáuregui, Alejandra, Salvo, Deborah, Villa, Umberto, Olvera, Armando, and Gallegos-Carrillo, Katia
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Body fat ,Cohort study ,Middle-aged adults ,Sedentary behavior ,Self-report correction ,Humans ,Sedentary Behavior ,Male ,Female ,Middle Aged ,Adult ,Adiposity ,Accelerometry ,Cohort Studies ,Absorptiometry ,Photon ,Self Report ,Surveys and Questionnaires - Abstract
BACKGROUND: Sedentary behavior is linked to excess fat mass; however, this association may be inconclusive due to potential measurement errors in self-reported sedentary behavior. OBJECTIVE: To assess the association between changes in sedentary behavior and fat mass in a Cohort of Health Workers (HWCS) from 2004 to 2010. METHODS: A total of 1,285 adults participating in the Cohort of Health Workers were evaluated in 2004 and 2010. Fat mass (kg) was measured by dual X-ray absorptiometry. A self-administered questionnaire was used to estimate the sedentary behavior. Sedentary behavior was also estimated using accelerometry in a sample of 142 health workers. Accelerometry data were used to correct self-reported sedentary behavior using a generalized linear model, which included values for sleeping time, age, sex, sedentary behavior, glucose, and triglycerides. Concordance between both methods was assessed using a kappa and Bland-Altman analysis. Once sedentary behavior was corrected, the values were used to evaluate the association between changes in sedentary behavior and body fat mass using a fixed effect model in the cohort, adjusting for confounders. RESULTS: Self-reported sedentary behavior was 2.8 ± 1.8 and 2.3 ± 1.6 h/day, and body fat mass was 24.9 ± 8.1 and 26.8 ± 8.5 kg in 2004 and 2010, respectively. After applying the correction model, the self-reported sedentary behavior was 7.6 ± 1.2 and 7.5 ± 1.2 h/day in 2004 and 2010, respectively. For every hour increase in corrected sedentary behavior, there was an observed increase of 0.847 (p > 0.001) kg in body fat mass during the 6.8 years in the Cohort of Health Workers from 2004 to 2010. Conversely, non-corrected self-reported sedentary behavior was associated with a non-significant reduction of 0.097 kg (p = 0.228) for every hour of sedentary behavior. CONCLUSIONS: Increased sedentary behavior was associated with increased body fat mass when corrected self-reported sedentary behavior was used. Implementing public health strategies to reduce sedentary behavior is imperative.
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- 2024
3. Passive sensing of smartphone use, physical activity and sedentary behavior among adolescents and young adults during the COVID-19 pandemic
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Faust, Abigail M., Auerbeck, Alexandria, Lee, Alexandra M., Kim, Ian, and Conroy, David E.
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- 2024
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4. Association Between Physical Activity, Sedentary Behaviors, and Sleep-Related Outcomes Among Cancer Survivors: a Cross-Sectional Study
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Atoui, Sarah, Bernard, Paquito, Carli, Francesco, and Liberman, A. Sender
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- 2024
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5. Effect of Pre-Hospitalization Fall History on Physical Activity and Sedentary Behavior After the Implementation of a Behavioral Change Approach in Patients with Minor Ischemic Stroke: A Secondary Analysis of a Randomized Controlled Trial
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Ashizawa, Ryota, Honda, Hiroya, Kameyama, Yuto, and Yoshimoto, Yoshinobu
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- 2024
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6. Validation Study of Physical Activity and Sedentary Behavior in African-American Men and Women
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Hicks, Jennifer, Adams-Campbell, Lucile L., Lu, Jiachen, Mills, Mary, and Dash, Chiranjeev
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- 2024
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7. Identification of genes shared between sedentary behaviour and inflammation: a bivariate genetic correlation analysis
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Zammarchi, Gianpaolo and Pisanu, Claudia
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- 2024
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8. Effects of a multicomponent training and detraining on frailty status, physical activity level, sedentary behavior patterns and physical performance of pre-frail older adults: a randomized controlled trial
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Carnavale, Bianca Ferdin, da Silva Santos, Vinícius Ramon, Farche, Ana Claudia Silva, Rossi, Paulo Giusti, Fiogbé, Elie, de Souza Buto, Marcele Stephanie, de Vassimon-Barroso, Verena, and de Medeiros Takahashi, Anielle Cristhine
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- 2024
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9. Prior-Night Sleep Predicts Next-Day Sedentary Behavior as a Function of Work Duration in Public Safety Telecommunicators
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Haynes, Patricia L., Pronio, Kayla, Callovini, Leah C., Conger, Chris, Hillier, Elizabeth, Fung, Caitlin, and Rojo-Wissar, Darlynn M.
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- 2024
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10. Effect of melatonin supplementation on exercise-induced alterations in haematological parameters and liver function markers in sedentary young men of Kolkata, India
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Basu, Sohini, Majee, Anindita Mandal, Bandyopadhyay, Debasish, and Bandyopadhyay, Amit
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- 2024
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11. Active longevity and aging: dissecting the impacts of physical and sedentary behaviors on longevity and age acceleration
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Lu, Ting Yu, Wang, Jiao, Jiang, Chao Qiang, Jin, Ya Li, Cheng, Kar Keung, Lam, Tai Hing, Zhang, Wei Sen, and Xu, Lin
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- 2024
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12. The Role of the Perceived Neighborhood Social Environment on Adolescent Sedentary Behavior and Physical Activity: Findings from Add Health
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Rogers, Breanna J., Alphonso, Sophie R., Neally, Sam J., Deng, Yangyang, Moniruzzaman, Mohammad, and Tamura, Kosuke
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- 2024
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13. Exploring factors associated with postoperative physical activity and sedentary behavior in newly diagnosed lung cancer patients: a cross-sectional study.
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Ma Q, Zheng G, Luo J, Cao H, and Hou L
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- Humans, Cross-Sectional Studies, Male, Female, Middle Aged, Aged, Surveys and Questionnaires, Postoperative Period, Adult, Exercise physiology, Health Behavior, Walking physiology, Sedentary Behavior, Lung Neoplasms surgery, Lung Neoplasms psychology
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Purpose: To comprehensively analyze the factors associated with different intensities of physical activity and sedentary behavior in newly diagnosed lung cancer patients in the early postoperative period, providing a basis for clinically tailored personalized intervention measures., Methods: A cross-sectional study design was employed, and 915 patients newly diagnosed with lung cancer completed a questionnaire survey on demographics, disease, health-related fitness, and psychosocial factors. Physical activity levels and sedentary behaviors were assessed using the International Physical Activity Questionnaire. Data were analyzed using SPSS 25.0., Results: The physical activity level of walking amounted to 1265.4 ± 1025.8 MET-min/week, potentially influenced by factors such as region, depression, health behavior capacity, and lactate dehydrogenase. The moderate-intensity physical activity level stood at 529.8 ± 976.5 MET-min/week, subject to influences like regional lymph node staging, body mass index, and albumin levels, among other factors. The high-intensity physical activity level was 111.1 ± 731.0 MET-min/week, potentially affected by region, grip strength, health behavior capacity, and other factors. Sedentary time averaged 5 ± 3 h/day, potentially influenced by work conditions, red blood cell values, and other factors., Conclusion: In patients newly diagnosed with lung cancer, early postoperative walking activities predominate, with less engagement in high-intensity physical activity and prolonged sedentary time. Physical activity and sedentary behavior may be influenced by various factors such as geography, physiology, psychology, and health-related fitness. To enhance the quality of life of patients with lung cancer in the early postoperative period, tailored intervention measures should be devised based on the circumstances of the individual patients., (© 2024. The Author(s), under exclusive licence to Springer-Verlag GmbH Germany, part of Springer Nature.)
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- 2024
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14. Associations between physical activity, sedentary behaviour and cognitive domain performance of people living with mild cognitive impairment in the community.
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Hopkins J, McVeigh J, Hill K, Ellis KA, Jacques A, and Burton E
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- Humans, Male, Female, Cross-Sectional Studies, Aged, Mental Status and Dementia Tests, Independent Living, Aged, 80 and over, Occupational Therapy methods, Middle Aged, Cognitive Dysfunction, Sedentary Behavior, Exercise, Cognition physiology, Accelerometry
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Introduction: Physical activity is known to positively influence cognitive performance. For adults with mild cognitive impairment (MCI), the relationship between physical activity levels and cognitive performance is unknown. This cross-sectional study aimed to determine if cognitive performance [as measured by the Montreal Cognitive Assessment (MoCA)] of people living in the community with MCI is associated with their physical activity levels or sedentary behaviour., Methods: ActivPAL™ accelerometers were used to objectively measure physical activity and sedentary behaviour for seven full days. Cognitive performance was measured using the MoCA., Consumer and Community Involvement: No involvement other than as research participants RESULTS: Eighty-two participants from the Balance on the Brain randomised controlled trial were included. Most participants were retired (88%), with 33 (40%) reporting a fall in the last year. The median MoCA score was 24 (IQR 22-26). Participants achieved a mean of 6296 (±2420) steps per day and were sedentary for 10.6 (±2) hours per day. The only physical activity outcomes that had a fair, positive correlation were moderate- to vigorous-intensity physical activity measures of total stepping time and total number of steps (with a cadence of ≥100 steps/min) with the orientation MoCA domain score (r(82) = 0.36, p ≤ 0.001 and r(82) = 0.37, p ≤ 0.001, respectively). Higher total sedentary time had a weak, positive correlation with better visuospatial/executive performance (r(82) = 0.23, p = 0.041). The orientation outcomes remained significant when analysed in an adjusted logistic regression model., Conclusion: This study found that performance in the MoCA orientation domain had a fair-positive correlation with moderate-intensity physical activity (i.e., stepping time and step count with a cadence of ≥100 steps/min) as measured by a thigh-worn accelerometer for community-dwelling older adults with MCI. When considering the relationship between cognitive domains and sedentary behaviour, consideration may be needed regarding whether cognitive enhancing activities (such as crosswords and other brain games) are being performed, which may confound this relationship. Further investigation is required to confirm these results., (© 2024 The Authors. Australian Occupational Therapy Journal published by John Wiley & Sons Australia, Ltd on behalf of Occupational Therapy Australia.)
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- 2024
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15. Post-diagnosis adiposity, physical activity, sedentary behaviour, dietary factors, supplement use and colorectal cancer prognosis: Global Cancer Update Programme (CUP Global) summary of evidence grading.
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Tsilidis KK, Markozannes G, Becerra-Tomás N, Cariolou M, Balducci K, Vieira R, Kiss S, Aune D, Greenwood DC, Dossus L, González-Gil EM, Gunter MJ, Allen K, Brockton NT, Croker H, Gordon-Dseagu VL, Mitrou P, Musuwo N, Wiseman MJ, Copson E, Renehan AG, Bours M, Demark-Wahnefried W, Hudson MM, May AM, Odedina FT, Skinner R, Steindorf K, Tjønneland A, Velikova G, Baskin ML, Chowdhury R, Hill L, Lewis SJ, Seidell J, Weijenberg MP, Krebs J, Cross AJ, and Chan DSM
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- Humans, Prognosis, Dietary Supplements, Risk Factors, Colorectal Neoplasms, Exercise, Sedentary Behavior, Adiposity, Diet
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Based on the World Cancer Research Fund Global Cancer Update Programme, we performed systematic reviews and meta-analyses to investigate the association of post-diagnosis adiposity, physical activity, sedentary behaviour, and dietary factors with colorectal cancer prognosis. We searched PubMed and Embase until 28th February, 2022. An independent expert committee and expert panel graded the quality of evidence. A total of 167 unique publications were reviewed, and all but five were observational studies. The quality of the evidence was graded conservatively due to the high risk of several biases. There was evidence of non-linearity in the associations between body mass index and colorectal cancer prognosis. The associations appeared reverse J-shaped, and the quality of this evidence was graded as limited (likelihood of causality: limited-no conclusion). The evidence on recreational physical activity and lower risk of all-cause mortality (relative risk [RR] highest vs. lowest: 0.69, 95% confidence interval [CI]: 0.62-0.77) and recurrence/disease-free survival (RR: 0.80, 95% CI: 0.70-0.92) was graded as limited-suggestive. There was limited-suggestive evidence for the associations between healthy dietary and/or lifestyle patterns (including diets that comprised plant-based foods), intake of whole grains and coffee with lower risk of all-cause mortality, and between unhealthy dietary patterns and intake of sugary drinks with higher risk of all-cause mortality. The evidence for other exposures on colorectal cancer outcomes was sparse and graded as limited-no conclusion. Analyses were conducted excluding cancer patients with metastases without substantial changes in the findings. Well-designed intervention and cohort studies are needed to support the development of lifestyle recommendations for colorectal cancer patients., (© 2024 The Authors. International Journal of Cancer published by John Wiley & Sons Ltd on behalf of UICC.)
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- 2024
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16. Sedentary Behavior and School Bullying in Adolescents: An Analysis Based on a National Survey in Colombia.
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Zapata-López JS, Tonguino-Rosero S, and Méndez F
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- Humans, Adolescent, Colombia, Male, Female, Cross-Sectional Studies, Schools, Adolescent Behavior psychology, Students statistics & numerical data, Students psychology, Health Surveys, Bullying statistics & numerical data, Bullying psychology, Sedentary Behavior
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Background: Sedentarism has been associated with poorer mental health, greater likelihood of bullying and suicide risk; however, studies with national coverage are needed to characterize contexts and allow comparisons between nations. The aim of this study was to examine the association between sedentary lifestyles with bullying in the social context of Colombian adolescents., Methods: Cross-sectional study with 78,772 adolescents aged 13-17 years participating in the 2017 National School Health Survey. Sedentary behavior was defined as sitting for 3+ hours/day of leisure time, while bullying was identified by self-report of being victimized 1+ times/month. Relative frequencies were estimated and, using a log-binomial regression model, prevalence ratios (PR) were calculated., Results: A total of 15.31% of students reported being victims of bullying. A higher probability to be bullied was estimated in sedentary adolescents (PR: 1.18; 95% CI: 1.09-1.29), as well as in females, ethnic minorities, those who went hungry in the last month due to lack of food, students with health problems, and private schools., Conclusions: Bullying was related with sedentary leisure time, gender, ethnicity, type of educational institution, and presence of health problems. Being a multicausal phenomenon, bullying demands policies and programs with a greater focus on the most vulnerable groups., (© 2023 American School Health Association.)
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- 2024
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17. Associations of sedentary behavior and screen time with biomarkers of inflammation and insulin resistance.
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Coughlin GH, Antush MT, and Vella CA
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- Humans, Male, Female, Middle Aged, Insulin blood, Adiponectin blood, Interleukin-6 blood, Adult, Exercise, Tumor Necrosis Factor-alpha blood, Blood Glucose, Sedentary Behavior, Insulin Resistance, Biomarkers blood, Inflammation blood, Leptin blood, C-Reactive Protein analysis, Screen Time
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Sedentary behavior (SB) has been linked to risk factors of cardiometabolic disease, with inconsistent findings reported in the literature. We aimed to assess the associations of SB with multiple biomarkers of inflammation and insulin resistance in adults. Domain-specific SB, sitting time and moderate-to-vigorous physical activity (MVPA) were measured in 78 adults (mean ± SD 52.0 ± 10.8 y). Body fat percentage (BF%) was assessed using multi-frequency bioelectrical impedance. A blood draw assessed glucose, insulin, C-reactive protein (CRP), interleukin-6 (IL-6), tumor necrosis factor-alpha (TNF-α), leptin, and adiponectin. Adiponectin-leptin ratio (ALR), homeostasis model assessment of insulin resistance (HOMA-IR) and beta-cell function (HOMA-β) were calculated. Multivariable linear regression analyses, controlling for age, sex, MVPA, and BF%, were used to assess associations. After adjustment for age, sex and MVPA, total SB (7.5 ± 2.5 h/day) was positively associated with leptin, insulin, HOMA-IR, HOMA-β (Standardized Beta (β) range 0.21-0.32) and negatively associated with ALR (β = -0.24, p < 0.05 for all). Similarly, total sitting time (7.2 ± 2.9 h/day) was associated with TNF-α (β = 0.22) and ALR (β = -0.26). These associations were attenuated to non-significance after adjustment for BF%. Leisure screen time was detrimentally associated with IL-6 (β = 0.24), leptin (β = 0.21), insulin (β = 0.37), HOMA-IR (β = 0.37), and HOMA-β (β = 0.34), independent of age, sex and MVPA (p < 0.05 for all). Only the associations with insulin (β = 0.26), HOMA-IR (β = 0.26), and HOMA-β (β = 0.23) remained significant after further controlling BF% (p < 0.05). Self-reported SB is associated with biomarkers of inflammation and insulin resistance, independent of MVPA, and in some cases BF%., (© 2024. The Author(s), under exclusive licence to Springer Science+Business Media, LLC, part of Springer Nature.)
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- 2024
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18. Associations of Reallocating Sedentary Time to Physical Activity and Sleep with Physical and Mental Health of Older Adults.
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Liang W, Wang Y, Su N, Song H, Rhodes RE, Wang X, Shang B, Zhou L, Huang Q, Bu D, Baker JS, and Duan Y
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- Humans, Female, Male, Aged, Cross-Sectional Studies, Physical Fitness, Waist Circumference, Blood Pressure physiology, Middle Aged, China epidemiology, Depression epidemiology, Body Mass Index, Sedentary Behavior, Sleep physiology, Exercise psychology, Mental Health
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Introduction: Twenty-four-hour movement behaviors: moderate-to-vigorous physical activity (MVPA), light physical activity (LPA), sedentary behavior (SB), and sleep are crucial factors affecting older adults' health. Using a compositional data analysis approach, this study examined the associations of time spent in these four movement behaviors with cardiometabolic health, physical fitness, and mental health among older adults. Furthermore, this study identified the estimated changes in aforementioned health outcomes by reallocating SB time to other movement behaviors., Methods: A population-based cross-sectional study of 4562 participants (67.68 ± 5.03 yr; 55.8% female) were implemented in Hubei China between July 25 and November 19, 2020. Measures included demographics, movement behaviors, cardiometabolic indicators (body mass index, waist circumference, waist-hip ratio, percentage body fat, systolic and diastolic blood pressure), physical fitness, and mental health outcomes (depressive symptoms and loneliness). Compositional data analyses were implemented in R., Results: MVPA and sleep time were associated with greater health outcomes (all P < 0.001), except blood pressure ( P = 0.13-0.83). LPA time was associated with waist circumference ( B = 0.313, P = 0.009), waist-hip ratio ( B = 0.003, P = 0.003), physical fitness ( B = 0.36, P < 0.001), and mental health indicators (both P < 0.001). Reallocating 30-min SB to MVPA and sleep was associated with predicated improvements in all health outcomes, except blood pressure, whereas reallocating 30-min SB to LPA resulted in predicted improvements in physical fitness (0.187 units), depressive symptoms (-0.264 units), and loneliness (-0.395 units). For dose-effect relationships, reallocating 5-60 min of SB to MVPA showed greatest benefits for all health outcomes., Conclusions: This study provides timely empirical evidence for future interventions and policymaking on promoting healthy aging during the post-COVID-19 era. The findings underline the importance of including 24-h movement behaviors in future health promotion among older adults., (Copyright © 2024 by the American College of Sports Medicine.)
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- 2024
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19. Sedentary and 21 gastrointestinal disorders: A Mendelian randomization study.
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Lin Y, He J, and Ding Z
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- Humans, Risk Factors, Genetic Predisposition to Disease, Television statistics & numerical data, Mendelian Randomization Analysis, Gastrointestinal Diseases genetics, Gastrointestinal Diseases epidemiology, Sedentary Behavior
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Sedentary behavior (SB) has been linked in the past by observational studies to gastrointestinal illnesses, although the exact cause of the link is still unknown. To deal with this problem, we carried out a Mendelian randomization (MR) study to thoroughly examine the connection between SB and common gastrointestinal illnesses. We selected instrumental variables representing the SB from the UK Biobank study, including watching television viewing, playing computer, and driving. In addition, we obtained genetic associations of 21 common gastrointestinal disorders from the FinnGen research. After adjusting for common risk factors associated with gastrointestinal diseases, we analyzed the independent association between genetic. Furthermore, we used the inverse-variance weighted (IVW) method in conjunction with complementing techniques like MR-Egger (Mendelian randomization based on Egger Regression) and weighted median to assure the accuracy and dependability of the results. Our findings suggest that genetic susceptibility to prolonged television viewing is significantly associated with an increased risk of 9 out of 21 gastrointestinal disorders. Specifically, these disorders include gastroesophageal reflux disease, chronic gastritis, cholelithiasis, acute pancreatitis, chronic pancreatitis, gastroduodenal ulcer, fatty liver, irritable bowel syndrome, and acute appendicitis. These associations remained significant even after correcting for potential confounding factors. The replication analysis confirms the same conclusion. The results of this study demonstrate a causal relationship between cachexia and genetically predicted SB. To further understand the underlying pathogenic mechanisms at play, more study is required., Competing Interests: The authors have no funding and conflicts of interest to disclose., (Copyright © 2024 the Author(s). Published by Wolters Kluwer Health, Inc.)
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- 2024
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20. Sedentary behavior, increasing age, and overweight/obesity increase the presence and intensity of the chronic joint pain in individuals affected by Chikungunya fever.
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Lemos JF, Araújo LMC, Guimarães-do-Carmo VJ, Cardoso EJA, da Silva Ferreira AI, Barbosa KFDS, Raposo MCF, and Melo RS
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- Humans, Male, Female, Adult, Middle Aged, Cross-Sectional Studies, Aged, Young Adult, Age Factors, Brazil epidemiology, Prevalence, Pain Measurement, Chikungunya Fever complications, Chikungunya Fever epidemiology, Arthralgia epidemiology, Sedentary Behavior, Obesity complications, Obesity epidemiology, Chronic Pain epidemiology, Overweight complications, Overweight epidemiology
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Background: Chikungunya fever (CF) is a viral disease, transmitted by alphavirus through Aedes aegypti, and albopictus mosquitoes, affecting several people, mainly in tropical countries, when its transmitter is not under control, and the main symptom of the chronic phase of CF is joint pain., Objectives: The primary objective of this study was to observe the prevalence, most affected joints, and intensity of chronic joint pain in individuals affected by CF, and also identify the factors associated with chronic joint pain in these individuals., Methods: Cross-sectional study that evaluated one hundred and thirty volunteers, of both sexes, aged between 20-65 years, with a clinical and/or laboratory diagnosis of CF. The presence of joint pain was investigated using the Brazilian version of the Nordic Questionnaire of Musculoskeletal Symptoms and the intensity of pain using the Visual Analogue Scale., Results: Of the 130 volunteers evaluated, n = 112 (86%) reported currently experiencing chronic joint pain, persistent, for approximately 38.6 ± 1.73 months, with the greatest predominance in the morning (58%). The joints most affected by pain were: the ankles (65.5%), interphalangeal joints of the hands (59.2%), and knees (59.2%). The joints that presented the greatest intensity of pain were: the ankles (5.13 ± 0.34), interphalangeal joints of the hands (4.63 ± 0.34), and knees (4.33 ± 0.33). Sedentary behavior (p = 0.037), increasing age (p = 0.000), and overweight/obesity (p = 0.002) were factors associated with chronic joint pain., Conclusion: A high prevalence of chronic, persistent joint pain was observed, with a greater prevalence in the morning. The joints most affected by chronic pain and with the greatest pain intensity were the ankles, and interphalangeal joints of the hands and knees. Sedentary behavior, increasing age, and overweight/obesity were the factors associated with chronic joint pain in individuals affected by CF in this study. Key Points • Individuals affected by CF had a high prevalence of chronic joint pain, persistent and more prevalent in the mornings • The ankles and interphalangeal joints of the hands and knees were the joints with the highest prevalence of pain • The ankles and interphalangeal joints of the hands and knees were the joints with the greatest pain intensity • Sedentary behavior, increasing age, and overweight/obesity were factors associated with chronic joint pain in individuals affected by CF., (© 2024. The Author(s), under exclusive licence to International League of Associations for Rheumatology (ILAR).)
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- 2024
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21. Acute Effects of Breaking up Sitting Time With Isometric Wall Squat Exercise on Vascular Function and Blood Pressure in Sedentary Adults: Randomized Crossover Trial.
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Silva JKTNF, Menêses AL, Silva GO, O'Driscoll JM, Ritti-Dias RM, Correia MA, and Farah BQ
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- Humans, Male, Adult, Female, Popliteal Artery physiology, Young Adult, Brachial Artery physiology, Time Factors, Cross-Over Studies, Sedentary Behavior, Sitting Position, Blood Pressure physiology, Exercise physiology
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Purpose: The World Health Organization has recommended breaking up sitting time to improve cardiovascular health. However, whether isometric exercise can be effectively used as a strategy to break up sitting time remains unclear. Thus, the aim of this study was to analyze the acute effects of breaking up prolonged sitting with isometric wall squat exercise (IWSE) on vascular function and blood pressure (BP) in sedentary adults., Methods: This randomized crossover trial included 17 adults (53% male, 26 ± 6 yr, 22.4 ± 3.6 kg/m 2 ) with high sedentary behavior (≥ 6 hr/d). The participants completed 2 experimental sessions in a randomized order, both sharing a common sitting period of 180 min: Breaks (2-min breaks were incorporated into the IWSE, with participants maintaining their knees at the angle determined by the incremental test, which occurred every 30 min) and Control (sitting for 180 min continuously). Popliteal artery flow-mediated dilation (FMD) and brachial BP were measured before and at 10 and 30 min after the experimental sessions., Results: The results did not indicate significant session vs time interaction effects on popliteal FMD and brachial BP ( P > .05). A subanalysis including only participants with popliteal FMD reduction after the Control session (n = 11) revealed that Breaks enhanced popliteal FMD after 10 min (1.38 ± 6.45% vs -4.87 ± 2.95%, P = .002) and 30 min (-0.43 ± 2.48% vs -2.11 ± 5.22%, P = .047)., Conclusion: Breaking up prolonged sitting with IWSE mitigates impaired vascular function resulting from prolonged sitting but has no effect on BP in sedentary adults., Competing Interests: The authors declare no conflicts of interest., (Copyright © 2024 Wolters Kluwer Health, Inc. All rights reserved.)
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- 2024
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22. Processing of Sedentary Time and Its Reference Equation in Patients with COPD.
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Minakata Y, Sasaki S, Murakami Y, Kawabe K, and Ono H
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- Humans, Male, Female, Aged, Time Factors, Reproducibility of Results, Middle Aged, Forced Expiratory Volume, Actigraphy instrumentation, Fitness Trackers, Exercise, Walk Test, Body Mass Index, Pulmonary Disease, Chronic Obstructive physiopathology, Pulmonary Disease, Chronic Obstructive diagnosis, Sedentary Behavior, Lung physiopathology, Predictive Value of Tests
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Purpose: Sedentary time (ST) is associated with mortality independent of moderate-to-vigorous physical activity in patients with COPD. The proper processing methods for the measurement data and factors related to ST are still unknown. We investigated several conditions for determining the proper processing of ST accelerometric data and created a reference equation for ST using ST-related factors., Patients and Methods: In Study 1, we evaluated the minimum required number of days to obtain repeatability at different measurement times and assessed the effects of rainy days or weekend days on ST in patients with COPD. In Study 2, we detected the ST-related factors among 28 parameters and created a reference equation for ST using the detected factors., Results: In Study 1, 38 patients with stable COPD were analyzed. The minimum number of days required for repeatability was 3 for 8-h wearing and 2 for 10-h wearing. The ST was significantly prolonged on rainy days, but not on weekends. In Study 2, 216 patients with stable COPD were analyzed. BMI, FEV1%pred, 6MWD, and mMRC were detected as ST-related factors, and a reference equation could be created using these four factors. The equation was validated for patients whose ST was ≥ 6 h., Conclusion: By using properly processed measurement data of ST, we created a reference equation for assessing ST that is expected to be useful for providing individual guidance on the shortening of ST to patients with COPD., Competing Interests: Y. Minakata received grants from Environmental Restoration and Conservation Agency, Japan and NHO-Evidence-based Medicine (EBM) study group, Japan, during the conduct of the study, and lecture fees from Nippon Boehringer Ingelheim, Japan, outside the submitted work. The authors declare no other conflicts of interest in association with the present study., (© 2024 Minakata et al.)
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- 2024
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23. Exploring the Effects of Sensorimotor Training and Relaxation Therapy on Postural Control, Balance, Sleep, and Stress in Sedentary Young Adults: Rationale, Design, and Methodology.
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Tanwar T, Aldabbas M, Iram I, and Veqar Z
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- Humans, Young Adult, Adult, Sleep physiology, Stress, Psychological therapy, Stress, Psychological metabolism, Male, Female, Postural Balance physiology, Relaxation Therapy methods, Sedentary Behavior
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Postural control (PC) and sleep are critical in several aspects of health. Poor sleep negatively influences PC and balance, which is necessary for performing various tasks, from reaching to mobility. Moreover, sleep disturbances and consequent PC and balance deterioration are associated with job accidents, traffic accidents, falls, and injuries. Healthy adults who have inadequate sleep show a decline in optimal functioning, even in the absence of medical illnesses. This suggests that getting enough sleep, both in duration and quality, is essential to maintain optimal health. Moreover, inadequate sleep has also been observed to have a bidirectional relationship with stress levels. However, there is insufficient evidence regarding the impact of non-pharmacological treatments to improve PC, sleep, and stress in the sedentary young adult (YA) population. This article describes the protocol for a study to investigate the effects of sensorimotor training and relaxation therapy on various static and dynamic PC tests, balance measures, and subjective and objective indices of sleep and stress among sedentary YAs with impaired sleep quality. The protocol is also designed to evaluate the effect of these therapies on fatigue, salivary cortisol levels, anxiety, and depression. Methods for assessing the sleep architecture, static and dynamic PC, balance, and stress are described along with the methods of scoring with the primary goal of providing a standardized set of assessment and scoring procedures according to the latest guidelines and gold-standard techniques and measures that can be used reliably at different laboratories. © 2024 Wiley Periodicals LLC. Basic Protocol 1: Postural control assessment Basic Protocol 2: Balance assessment Basic Protocol 3: Sleep architecture assessment Basic Protocol 4: Salivary cortisol analysis., (© 2024 Wiley Periodicals LLC.)
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- 2024
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24. Associations of Wearable Ring Measured Sleep, Sedentary Time, and Physical Activity With Cardiometabolic Health: A Compositional Data Analysis Approach.
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Niemelä M, Maijala A, Nauha L, Jämsä T, Korpelainen R, and Farrahi V
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- Humans, Male, Female, Finland, Adult, Middle Aged, Blood Pressure physiology, Blood Glucose analysis, Cardiometabolic Risk Factors, Sedentary Behavior, Exercise physiology, Waist Circumference, Sleep physiology, Wearable Electronic Devices, Body Composition
- Abstract
Movement behaviors within the 24-h day, including physical activity (PA), sedentary time, and sleep, are associated with cardiometabolic health. We aimed to determine the association between 24-h movement composition and cardiometabolic health while accounting for sleep efficiency. Altogether, 1134 participants from the Northern Finland Birth Cohort 1986 study, free from prior cardiovascular disease, provided at least 4 days of 24-h activity and sleep efficiency measured with a wearable ring. Participants' body composition was assessed with bioimpedance, blood pressure, and waist circumference were measured, and lipids and glucose were analyzed from a fasting blood sample. Linear regression models for cardiometabolic outcomes were created with 24-h movement composition and covariates, including sleep efficiency and behavioral and socioeconomic factors. Isotemporal time reallocations were used to demonstrate the dose-dependent associations between time use and outcomes. Beneficial associations with the outcomes were detected when sedentary time was reallocated to light PA, moderate-to-vigorous PA (MVPA), or sleep. For example, substituting 30 min of sedentary time with MVPA was associated with 7.2% (95% CI from -9.8% to -4.5%) lower visceral fat area, 4.9% (95% CI from -6.5% to -3.3%) lower body fat percentage, 1.6% (95% CI from -2.3% to -0.9%) smaller waist circumference, and 2.4% (95% CI from 1.2% to 3.5%) higher high-density lipoprotein (HDL) cholesterol after accounting for gender, marital status, education level, employment, smoking, alcohol consumption, and sleep efficiency. Substituting sedentary time with sleep or light PA showed beneficial but smaller differences in adiposity measures and HDL cholesterol. Limiting sedentary time should be encouraged in adulthood., (© 2024 The Author(s). Scandinavian Journal of Medicine & Science In Sports published by John Wiley & Sons Ltd.)
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- 2024
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25. Post-diagnosis physical activity and sedentary behaviour and colorectal cancer prognosis: A Global Cancer Update Programme (CUP Global) systematic literature review and meta-analysis.
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Markozannes G, Becerra-Tomás N, Cariolou M, Balducci K, Vieira R, Kiss S, Aune D, Greenwood DC, Gunter MJ, Copson E, Renehan AG, Bours M, Demark-Wahnefried W, Hudson MM, May AM, Odedina FT, Skinner R, Steindorf K, Tjønneland A, Velikova G, Baskin ML, Chowdhury R, Hill L, Lewis SJ, Seidell J, Weijenberg MP, Krebs J, Cross AJ, Tsilidis KK, and Chan DSM
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- Humans, Prognosis, Observational Studies as Topic, Colorectal Neoplasms mortality, Colorectal Neoplasms diagnosis, Exercise, Sedentary Behavior
- Abstract
Low physical activity and high sedentary behaviour have been clearly linked with colorectal cancer development, yet data on their potential role in colorectal cancer survival is limited. Better characterisation of these relationships is needed for the development of post-diagnosis physical activity and sedentary behaviour guidance for colorectal cancer survivors. We searched PubMed and Embase through 28 February 2022 for studies assessing post-diagnosis physical activity, and/or sedentary behaviour in relation to all-cause and cause-specific mortality and recurrence after colorectal cancer diagnosis. Total and recreational physical activity were assessed overall and by frequency, duration, intensity, and volume using categorical, linear, and non-linear dose-response random-effects meta-analyses. The Global Cancer Update Programme (CUP Global) independent Expert Committee on Cancer Survivorship and Expert Panel interpreted and graded the likelihood of causality. We identified 16 observational studies on 82,220 non-overlapping patients from six countries. Physical activity was consistently inversely associated with colorectal cancer morbidity and mortality outcomes, with 13%-60% estimated reductions in risk. Sedentary behaviour was positively associated with all-cause mortality. The evidence had methodological limitations including potential confounding, selection bias and reverse causation, coupled with a limited number of studies for most associations. The CUP Global Expert panel concluded limited-suggestive evidence for recreational physical activity with all-cause mortality and cancer recurrence. Total physical activity and its specific domains and dimensions, and sedentary behaviour were all graded as limited-no conclusion for all outcomes. Future research should focus on randomised trials, while observational studies should obtain objective and repeated physical activity measures and better adjustment for confounders., (© 2024 The Authors. International Journal of Cancer published by John Wiley & Sons Ltd on behalf of UICC.)
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- 2024
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26. Sedentary behavior reduction and blood lipids in adults with metabolic syndrome: a 6-month randomized controlled trial.
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Ylinen VP, Sjöros T, Laine S, Garthwaite T, Norha J, Vähä-Ypyä H, Löyttyniemi E, Houttu N, Laitinen K, Kalliokoski KK, Sievänen H, Vasankari T, Knuuti J, and Heinonen IH
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- Humans, Male, Female, Middle Aged, Adult, Accelerometry, Metabolic Syndrome blood, Metabolic Syndrome diet therapy, Metabolic Syndrome therapy, Sedentary Behavior, Lipids blood, Exercise
- Abstract
The aim of this study was to investigate whether a reduction in accelerometer-measured sedentary behavior (SB) improves blood lipids in inactive adults with metabolic syndrome (MetS). Sixty-four participants were randomly assigned into intervention (INT, n = 33) and control (CONT, n = 31) groups. The INT group was instructed to reduce SB by 1 h/day without increasing formal exercise, whereas the CONT group was advised to maintain usual SB habits. SB and physical activity (PA) were measured with accelerometers throughout the intervention. Plasma lipid concentrations and dietary intake by food diaries were assessed at baseline and at the end of the intervention. High-density lipoprotein percentage of total cholesterol decreased during the intervention similarly in both groups (p = 0.047). Other blood lipids did not change from baseline to six months in either group. The CONT group had a statistically significant reduction in the intake of saturated fatty acids compared to the INT group (p = 0.03). Intervention resulting in a 40-minute reduction in daily SB and 20-minute increase in habitual MVPA seems to not be effective in improving blood lipids in adults with MetS. Reducing SB together with a higher volume and/or intensity of PA and proper nutrition may be needed to reduce the risk of cardiometabolic diseases.Trial registration. This study is registered at ClinicalTrials.gov (NCT03101228, 05/04/2017). https://www.clinicaltrials.gov/ct2/show/NCT03101228?term=NCT03101228&draw=2&rank=1 ., (© 2024. The Author(s).)
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- 2024
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27. Acceptability of a remotely delivered sedentary behaviour intervention to improve sarcopenia and maintain independent living in older adults with frailty: a mixed-methods study.
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McGowan LJ, Chater AM, Harper JH, Kilbride C, Victor C, Brierley ML, and Bailey DP
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- Humans, Aged, Male, Female, Aged, 80 and over, Frail Elderly psychology, Frailty therapy, Frailty psychology, Sedentary Behavior, Sarcopenia therapy, Patient Acceptance of Health Care psychology, Independent Living
- Abstract
Background: Sarcopenia is a leading cause of functional decline, loss of independence, premature mortality, and frailty in older adults. Reducing and breaking up sedentary behaviour is associated with positive sarcopenia and frailty outcomes. This study aimed to explore the acceptability, engagement and experiences of a remotely delivered sedentary behaviour intervention to improve sarcopenia and independent living in older adults with frailty., Methods: This was a mixed-methods study. In-depth qualitative semi-structed interviews were conducted with a subset (N = 15) of participants with frailty (aged 74 ± 6 years) who had participated in the Frail-LESS (LEss Sitting and Sarcopenia in Frail older adults) intervention aimed at reducing sedentary behaviour. The interviews explored acceptability of the intervention overall and its individual components (a psychoeducation workbook, wrist-worn activity tracker, health coaching, online peer support and tailored feedback on sitting, standing and stepping). Process evaluation questionnaires with closed and scaled questions explored intervention engagement, fidelity and experiences., Results: Overall acceptability of the intervention was good with most participants perceiving the intervention to have supported them in reducing and/or breaking up their sedentary behaviour. The wrist-worn activity tracker and health coaching appeared to be the most acceptable and useful components, with high levels of engagement. There was attendance at 104 of 150 health coaching sessions offered and 92% of participants reported using the wrist-worn activity tracker. There was a mixed response regarding acceptability of, and engagement with, the psychoeducation workbook, tailored feedback, and online peer support., Conclusions: The Frail-LESS intervention had good levels of acceptability and engagement for some components. The findings of the study can inform modifications to the intervention to optimise acceptability and engagement in a future definitive randomised controlled trial., Trial Registration: The trial was registered with ISRCTN (number ISRCTN17158017)., (© 2024. The Author(s).)
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- 2024
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28. Impact of a Self-Autonomous Evaluation Station and Personalized Training Algorithm on Quality of Life and Physical Capacities in Sedentary Adults: Randomized Controlled Trial.
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Le Mat Y, Casali C, Le Mat F, Féasson L, Foschia C, Géry M, Rossi J, and Millet GY
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- Humans, Male, Female, Adult, Middle Aged, Single-Blind Method, Exercise physiology, Exercise psychology, Algorithms, Quality of Life, Sedentary Behavior
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Background: Physical inactivity is a major risk factor for noncommunicable diseases and a leading cause of premature death. The World Health Organization (WHO) recommends at least 150 minutes of moderate intensity physical activity (PA) weekly, regardless of age, gender, or personal habits. However, in both sports performance and clinical settings, personalized training (PT) regimens have shown superior efficacy over general guidelines., Objective: We hypothesized that an automatic PT program, informed by initial physical evaluations, would increase overall quality of life, quality of sleep, and physical capabilities and reduce fatigue and depression compared with adherence to WHO recommendations., Methods: This 5-month, randomized, single-blinded controlled trial involved 112 sedentary or minimally active participants, divided randomly into PT and free training (FT) groups. Physical capabilities and subjective measures such as quality of life, sleep, depression, and fatigue were evaluated for both groups. After 1 month, both groups were asked to perform 150 minutes of PA per week for 4 months; the PT group could either follow a "virtual coach" on a mobile app to follow some personalized PA or do what they would like, while the FT group was to follow the general PA recommendations of the WHO., Results: We did not find any group×time interaction for PA duration or intensity, physical qualities, and subjective measures. However, considering both groups together, there was a significant pretest and posttest time effect for duration of PA (18.2 vs 24.5 min/d of PA; P<.001), intensity (2.36 vs 3.11; P<.001), and workload (46.8 vs 80.5; P<.001). Almost all physical qualities were increased pretest and posttest (ie, estimated VO
2 max 26.8 vs 29 mL min-1 kg-1 ; P<.001; flexibility 25.9 vs 26.9 cm; P=.049; lower limb isometric forces 328 vs 347 N m; P=.002; reaction time 0.680 vs 0.633 s; P<.001; power output on cyclo-ergometer 7.63 vs 7.82 W; P<.003; and balance for the left and right leg 215 vs 163 mm2 ; P<.003 and 186 vs 162 mm2 ; P=.048, respectively). Finally, still considering the PT and FT groups together, there were significant pretest to posttest improvements in the mental component of quality of life using the 12-item Short Form Health Survey (41.9 vs 46.0; P<.006), well-being using the Warwick-Edinburgh Mental Well-Being Scale (48.3 vs 51.7; P<.002), depression using the Center for Epidemiologic Studies Depression Scale (15.5 vs 11.5; P=.02), and fatigue using the Functional Assessment of Chronic Illness Therapy-Fatigue (37.1 vs 39.5; P=.048)., Conclusions: The individualized training was not more effective than the general recommendations. A slight increase in PA (from 18 to 24 min/d) in sedentary or poorly active people is enough for a significant increase in physical capabilities and a significant improvement in quality of life, well-being, depression, and fatigue., Trial Registration: ClinicalTrials.gov NCT04998266; https://clinicaltrials.gov/study/NCT04998266., (©Yann Le Mat, Corentin Casali, Franck Le Mat, Léonard Féasson, Clément Foschia, Mathias Géry, Jérémy Rossi, Guillaume Y Millet. Originally published in JMIR Formative Research (https://formative.jmir.org), 04.10.2024.)- Published
- 2024
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29. The effect of a pre- and post-operative exercise program versus standard care on physical activity and sedentary behavior of patients with esophageal and gastric cancer undergoing neoadjuvant treatment prior to surgery (the PERIOP-OG Trial): a randomized controlled trial†.
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Loughney L, Murphy K, Tully R, Robb WB, McCaffrey N, Dowd K, and Skelly F
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- Humans, Male, Female, Middle Aged, Aged, Exercise, Gastrectomy methods, Exercise Therapy methods, Preoperative Exercise, Ireland, Treatment Outcome, Esophageal Neoplasms therapy, Esophageal Neoplasms surgery, Neoadjuvant Therapy methods, Stomach Neoplasms therapy, Stomach Neoplasms surgery, Sedentary Behavior, Esophagectomy
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Neoadjuvant cancer treatment (NCT) reduces both physical fitness and physical activity (PA) levels, which can increase the risk of adverse outcomes in cancer patients. This study aims to determine the effect of exercise prehabilitation on PA and sedentary behavior (SB) in patients undergoing NCT and surgery for esophagogastric malignancies. This study is a randomized pragmatic controlled multi-center trial conducted across three Irish hospitals. Participants were aged ≥18 years scheduled for esophagectomy or gastrectomy and were planned for NCT and surgery. Participants were randomized to an exercise prehabilitation group (EX) that commenced following cancer diagnosis, continued to the point of surgery, and resumed following recovery from surgery for 6 weeks or to usual care (UC) who received routine treatment. The primary outcome measures were PA and SB. Between March 2019 and December 2020, 71 participants were recruited: EX (n = 36) or UC (n = 35). No significant differences were found between the EX group and UC group on levels of PA or SBs across all measured timepoints. Significant decreases in moderate-vigorous physical activity levels (MVPAs) were found between baseline and post-surgery (P = 0.028), pre-surgery and post-surgery (P = 0.001) and pre-surgery and 6-week follow-up (P = 0.022) for all participants. Step count also significantly decreased between pre-surgery and post-surgery (P < 0.001). Baseline aerobic fitness was positively associated to PA levels and negatively associated with SB. Esophagogastric cancer patients have lower than recommended levels of PA at the time of diagnosis and this decreased further following completion of NCT. An optional home- or group-based exercise intervention was not effective in improving PA levels or behaviors across the cancer treatment journey., (© The Author(s) 2024. Published by Oxford University Press on behalf of International Society for Diseases of the Esophagus.)
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- 2024
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30. Does sedentary time and physical activity predict chronic back pain and morphological brain changes? A UK biobank cohort study in 33,402 participants.
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Jiang X, Tang L, Zhang Y, Bai Y, Luo H, Wang R, Bi X, Chen R, and Wang X
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- Humans, Middle Aged, Male, Female, Adult, Aged, United Kingdom epidemiology, Cohort Studies, Biological Specimen Banks, Magnetic Resonance Imaging, Time Factors, UK Biobank, Sedentary Behavior, Exercise, Chronic Pain, Back Pain epidemiology, Brain pathology
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Background: The relationship between sedentary time, physical activity, and chronic back pain remains unclear. The study aims to investigate whether sedentary time and physical activity predict chronic back pain and morphological brain changes., Methods: This cohort study recruited adults aged 37-73 years enrolled between 2006 and 2010, with follow-up until 2014. The total cohort comprised 33,402 participants (mean age: 54.53). Data were collected on daily sedentary time, physical activity, lifestyle factors, and health outcomes., Results: After nearly 8-year follow-up, 3,006 individuals (9.00%) reported chronic back pain in total. Individuals with daily sedentary time exceeding 6 h had a 33% higher risk of chronic back pain compared to those with sedentary time of 2 h or less (RR, 1.33, 95%CI, 1.17-1.52). Sedentary time was also associated with decreased grey matter volume in several brain regions, including bilateral primary somatosensory cortex (S1), secondary somatosensory cortex, putamen, primary motor cortex (M1), insula, hippocampus, amygdala, as well as right supplementary motor area, left medial frontal cortex, and right anterior cingulate cortex (FDR-corrected p-value < 0.05). Compared to individuals who sat for more than 6 h with light physical activity, those engaging in moderate physical activity with sedentary time of 2 h or less (RR, 0.71, 95%CI, 0.52-0.99) exhibited a significant decrease in chronic back pain risk. In addition, replacing sedentary time with equivalent amount of physical activity also demonstrated a reduction in the risk of chronic back pain (RR, 0.87, 95%CI, 0.77-0.99) and increased the reginal grey matter volumes including the amygdala, insula, M1, putamen and S1., Conclusions: Prolonged sedentary time is associated with heightened risks of chronic back pain and deterioration in brain health., (© 2024. The Author(s).)
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- 2024
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31. Left Ventricular Geometric Pattern Impacts QT Dispersion in Males Athletes and Sedentary Men.
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Stojanović E, Scanlan A, Jakovljević V, Stoičkov V, and Radovanović D
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- Humans, Male, Adult, Cross-Sectional Studies, Young Adult, Electrocardiography methods, Echocardiography methods, Heart Ventricles diagnostic imaging, Heart Ventricles physiopathology, Athletes statistics & numerical data, Hypertrophy, Left Ventricular physiopathology, Hypertrophy, Left Ventricular diagnostic imaging, Sedentary Behavior
- Abstract
Aim: To (1) compare QT dispersion (QTd) and echocardiographic features between athletes with concentric left ventricular (LV) hypertrophy, athletes with eccentric LV hypertrophy, and sedentary controls with a normal LV geometric pattern and (2) quantify associations between QTd and echocardiographic features within these groups., Methods: Male athletes competing in different sports and sedentary men were stratified into groups according to their LV geometric pattern. These groups included eccentric LV hypertrophy (LV index > 115 g/m
2 , relative wall thickness [RWT] < 0.42) consisting of 38 athletes, concentric LV hypertrophy (LV index > 115 g/m2 , RWT > 0.42) consisting of 40 athletes, and normal LV geometric pattern (LV index < 115 g/m2 , RWT < 0.42) consisting of 40 sedentary controls. Following a cross-sectional design, participants underwent electrocardiographic (ECG) and echocardiographic screening. Data were compared between groups using one-way analyses of variance with Bonferroni post hoc tests. Associations between corrected QTd and echocardiographic variables were quantified using Pearson correlations., Results: Alongside structural disparities between groups, corrected QTd was significantly (p < 0.001) lower in athletes with eccentric LV hypertrophy compared to athletes with concentric LV hypertrophy and sedentary controls. Significant, moderate-to-very-large correlations were found between corrected QTd and interventricular septal wall thickness in athletes with concentric (r = 0.416, p = 0.008) or eccentric LV hypertrophy (r = 0.734, p < 0.001), and sedentary controls (r = 0.464, p = 0.003)., Conclusion: The provided comparative and relationship data may inform the development of more precise approaches for ECG and echocardiographic screening in athletes, particularly in those with concentric LV hypertrophy who may be at greater risk for developing prolonged QTd., (© 2024 Wiley Periodicals LLC.)- Published
- 2024
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32. Causal associations of physical activity and leisure sedentary behaviors with age at onset of Huntington's disease: A mendelian randomization study.
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Wang H, Dai Y, Tai Y, Zhou Z, Zhou X, Li B, and Yu L
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- Humans, Male, Middle Aged, Female, Adult, Aged, Accelerometry, Mendelian Randomization Analysis, Huntington Disease genetics, Sedentary Behavior, Exercise, Genome-Wide Association Study, Leisure Activities, Age of Onset
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Background: Huntington's disease (HD) is a neurodegenerative disorder for which effective therapies are currently lacking. Studies suggest that increasing physical activity (PA) and reducing leisure sedentary behavior (LSB) mitigate the progression of HD, but their causal relationship with the age at onset (AAO) of HD remains uncertain. To investigate this, we conducted the Two-sample Mendelian Randomization (MR)., Methods: Exposure were retrieved from the UK BioBank's (UKB) Genome-Wide Association Study (GWAS). PA included accelerometer-based average PA, vigorous PA, self-reported moderate-to-vigorous PA (MVPA), and light do-it-yourself activity. LSB included television (TV) time, computer time, and driving time. Outcome came from the GWAS of the GEM-HD Consortium. We applied several MR methods such as inverse variance weighted (IVW), MR-Egger regression, weighted median (WM) for sensitivity analysis., Results: Increases in light PA (β = 8.53 years, 95 % CI = 10.64 to 44.09, P = 0.001) and accelerometer-based vigorous PA (β = 5.18, 95 % CI = 0.92 to 9.43, P = 0.017) delayed AAO of HD, while longer TV time was associated with earlier AAO of HD (β = -2.88 years, 95 % CI = -4.99 to -0.77, P = 0.007). However, other PA and LSB phenotypes did not significantly affect AAO of HD., Conclusion: The study revealed a unidirectional causality between PA, LSB and the AAO of HD. Increasing PA and reducing TV time delay HD onset. Therefore, we recommend increasing physical activity and reducing sedentary behavior to delay the occurrence of motor symptoms for premanifest HD individuals., Competing Interests: Declaration of competing interest All authors declare no conflict of interest., (Copyright © 2024 Elsevier Ltd. All rights reserved.)
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- 2024
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33. Association between physical activity & sedentary time on frailty in adults with chronic kidney disease: Cross-sectional NHANES study.
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Zeng G, Lin Y, Xie P, Lin J, He Y, and Wei J
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- Humans, Female, Male, Cross-Sectional Studies, Middle Aged, Aged, Adult, Risk Factors, United States epidemiology, Logistic Models, Young Adult, Sedentary Behavior, Renal Insufficiency, Chronic epidemiology, Renal Insufficiency, Chronic physiopathology, Frailty epidemiology, Nutrition Surveys, Exercise
- Abstract
Objective: A considerable percentage of individuals with chronic kidney disease (CKD) are reported to be frail. Lower physical activity and higher sedentary time are most consistently associated with frailty among the potentially alterable risk factors. Although the single effect of physical activity or sedentary time on suppressing frailty have been widely studied, whether physical activity can mitigate or counteract the detrimental consequences of higher sedentary time on frailty among CKD population has never been explored. This study aims to explore whether and to what extent the correlation between sedentary time and frailty was diminished by physical activity among CKD population., Study Design and Setting: Data were acquired from the National Health and Nutrition Examination Survey (NHANES) 2007 to 2018 cycles. Frailty index was assessed using 49-item deficit model. Physical activity and sedentary time were measured using the Global Activity Questionnaire. Weighted binary logistic regression models, restricted cubic spline models and sensitivity analyses were performed to investigate the aforementioned relationship., Results: The final sample included 2551 adults aged ≥20 years with CKD, which is represented a weighted number of 4.98 million noninstitutionalized US population. In the fully adjusted model, the group with low physical activity was 1.56 (95 % CI:1.19, 2.03) times more likely to develop frailty than the group with high physical activity and each unit of increase of sedentary time was associated with an 41 % increased risk of frailty (OR = 1.41, 95 % CI = 1.04-1.89). Our findings also indicated that engaging in 1240-6200 MET-min/week of high physical activity was associated with a decreased risk of frailty related to moderate-to-high sedentary time among CKD population (OR = 0.69, 95 % CI = 0.49-0.99, P = 0.044). In subgroup analyses, high physical activity was associated with a 0.43-fold (95%CI: 0.24, 0.77) decreased risk of moderate-to-high sedentary time associated with frailty in female groups and a significant modification effect of gender was uncovered (P
interaction = 0.024)., Conclusion: High physical activity was associated with a decreased risk of frailty related to moderate-to-high sedentary time in adults with CKD, especially in females subgroups., Competing Interests: Declaration of competing interest All the authors declare no conflict of interest., (Copyright © 2024 The Authors. Published by Elsevier Inc. All rights reserved.)- Published
- 2024
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34. Association between sedentary behavior and wish to die among adults aged ≥50 years: Findings from the Irish Longitudinal Study on Ageing.
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Smith L, López Sánchez GF, Soysal P, Veronese N, Rahmati M, Tully MA, Yon DK, Alghamdi BS, Butler L, Ahluwalia S, Ball G, Shin JI, and Koyanagi A
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- Humans, Male, Female, Middle Aged, Ireland epidemiology, Longitudinal Studies, Aged, Cross-Sectional Studies, Sleep Wake Disorders epidemiology, Depression epidemiology, Loneliness psychology, Sedentary Behavior, Aging physiology
- Abstract
We investigated the association between sedentary behavior (SB) and wish to die (WTD; i.e., feeling that one would be better off dead or wishing for one's own death), and the extent to which this can be explained by sleep problems, depression, anxiety, loneliness, perceived stress, and social network in a nationally representative sample of adults aged ≥50 years from Ireland. Cross-sectional data from Wave 1 of the Irish Longitudinal Study on Ageing 2009-2011 were analyzed. WTD was defined as answering affirmatively to the question "In the last month, have you felt that you would rather be dead?" SB was used as a continuous variable (hours/day), and also as a categorical (< or ≥8 h/day) variable. Multivariable logistic regression and mediation analyses were conducted. Data on 8163 adults aged ≥50 years were analyzed [mean (SD) age 63.6 (9.1) years; 48.0% males]. Overall, ≥8 (vs. <8) hours/day of SB was associated with a significant 2.04 (95%CI = 1.50-2.76) times higher odds for WTD, while a 1-h increase in SB per day was associated with 1.11 (95%CI = 1.06-1.16) times higher odds for WTD. Mediation analysis showed that sleep problems, depression, loneliness, perceived stress, and social network explained a modest proportion of the association between SB and WTD (mediated percentage 9.3%-14.8%). The present cross-sectional study found that increasing or higher levels of SB is positively associated with WTD. Addressing the identified potential mediators may reduce WTD among people who are sedentary. However, future longitudinal and intervention studies are needed to make concrete recommendations., Competing Interests: Declaration of competing interest None., (Copyright © 2024 The Authors. Published by Elsevier Ltd.. All rights reserved.)
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- 2024
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35. Associations of Sedentary Behavior with Risks of Cardiovascular Disease Events among Chinese Adults.
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Ling Y, Tao Z, Wan Y, Cui H, Zhang Z, Pei J, Maimaiti A, Bai H, Wu Y, Li J, Zhao G, and Zaid M
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- Humans, Middle Aged, Male, Female, Adult, Aged, China epidemiology, Risk Factors, Young Adult, Follow-Up Studies, Prognosis, East Asian People, Sedentary Behavior, Cardiovascular Diseases epidemiology, Cardiovascular Diseases etiology
- Abstract
Aims: Evidence regarding the modification effects of age, sex, ethnicity, socioeconomic status, or weight status on the associations of sedentary behavior (SB) with cardiovascular diseases (CVDs) is limited. Moreover, the mechanisms for the associations also remain unclear. We aimed to investigate the possible influence of these factors on the associations of SB with CVD events and whether the associations are mediated by metabolic phenotypes., Methods: This study included 42,619 participants aged 20-74 years, recruited from the Shanghai Suburban Adult Cohort and Biobank study. SB was assessed at baseline and integrated with health information systems to predict future CVD events. Cox proportional hazards models, interaction analyses, restricted cubic splines and causal mediation analyses were used for assessments., Results: Compared to those with <3 h/d sedentary time, participants having SB ≥ 5 h/d had significantly higher risks of CVD (HR[95%CI]: 1.27[1.12-1.44]), coronary heart disease (CHD, 1.35[1.14-1.60]), and ischemic stroke (IS, 1.30[1.06-1.60]). The association of CHD was more pronounced in the retired individuals than their counterparts (1.45[1.20-1.76] versus 1.06[0.74-1.52], p
interaction =0.046). When SB was expressed as a continuous variable, a 1 h/d increment in SB was positively associated with risks of CVD (1.03[1.01-1.05]), CHD (1.04[1.01-1.07]), and IS (1.05[1.01-1.08]). High-density lipoprotein cholesterol (HDL-C, proportion mediated: 12.54%, 12.23%, and 11.36%, all p<0.001), followed by triglyceride (TG, 5.28%, 4.77%, and 4.86%, all p<0.01) and serum uric acid (SUA, 3.64%, 4.24%, and 2.29%, all p<0.05) were major mediators through metabolic phenotypes., Conclusions: Higher SB was associated with elevated risks of CVD events. The detrimental effect of SB on CHD risk was more pronounced among retired individuals. Moreover, HDL-C, TG and SUA partially mediated the relationships between SB and CVD events. Our findings may have implications for preventing and controlling CVD associated with SB.- Published
- 2024
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36. The relationship between sedentary behavior and depression in older adults: A systematic review and meta-analysis.
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Jiang Y, Zhang M, and Cui J
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- Humans, Aged, Exercise, Female, Male, Sedentary Behavior, Depression epidemiology, Depression psychology
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Background: The association between sedentary behavior and depression in older adults has been reported in several studies; however, study results on the relationship between the different types of sedentary behavior and depression are not uniform. The purpose of this study was to quantitatively review the association between depression and total sedentary behavior, mentally active sedentary behavior, and passive sedentary behavior., Methods: We systematically searched for observational studies on the association between sedentary behavior and depression in older adults using PubMed, Embase, and Web of Science databases. A random effects model was used to combine odds ratios (ORs) and 95 % confidence intervals (CIs). In addition, we performed subgroup and sensitivity analyses to explore potential sources of heterogeneity., Results: Five longitudinal and 10 cross-sectional studies with a total of 144,161 participants were included in the meta-analysis. The OR of total sedentary behavior associated with depression was 1.49 (95 % CI 1.24-1.79). The combined OR value of mentally active sedentary behavior and depression was 0.82 (95 % CI 0.69-0.97), and no association was found between passive sedentary behavior and the risk of depression., Limitations: We were unable to find dose-response relationships between the different types of sedentary behavior and depression because there were too few studies with raw data to analyze., Conclusion: Total sedentary behavior may increase the risk of depression in older adults, whereas mentally active sedentary behavior is associated with a lower risk of depression. Differentiating between the types of sedentary behavior can inform interventions to prevent or ameliorate depression in older adults., Competing Interests: Declaration of competing interest The authors declare no conflict of interest., (Copyright © 2024 Elsevier B.V. All rights reserved.)
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- 2024
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37. Objectively Measured Physical Activity and Sedentary Behaviors Among Older Adults in Assisted Living Facilities: A Scoping Review.
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Son JY, Woo S, Struble LM, Marriott DJ, Chen W, and Larson JL
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- Humans, Aged, Sedentary Behavior, Assisted Living Facilities, Exercise
- Abstract
Older adults in assisted living facilities (ALF) are at risk for low physical activity (PA) and high sedentary behavior (SB), both of which place them at risk for negative health outcomes. The purpose of this scoping review was to synthesize evidence describing the volume of device-measured PA/SB, factors associated with PA/SB, and interventions designed to change PA/SB in older adults living in ALF. Twenty articles representing 15 unique studies were identified from eight electronic databases and grey literature. Residents in ALF spent 96-201 min/day in light PA ( n = 2 studies), 1-9.74 min/day in moderate to vigorous PA ( n = 2 studies), and 8.5-11.01 hr/day of SB during waking hours ( n = 3 studies). Factors associated with PA included 16 personal factors ( n = 6 articles), one social factor ( n = 2 articles), and two environmental factors ( n = 2 articles). Factors associated with SB included 14 personal factors ( n = 4 articles) and one social factor ( n = 1 article). No intervention successfully changed PA/SB., Competing Interests: Declaration of Conflicting InterestsThe author(s) declared no potential conflicts of interest with respect to the research, authorship, and/or publication of this article.
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- 2024
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38. Association of sedentary behavior and physical activity with occurrence of signs and symptoms in participants of a cardiac rehabilitation program.
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Silva JPLN, Ribeiro F, Valente HB, Vanzella LM, Laurino MJL, do Nascimento GDSS, Moliterno AH, Tebar WR, Christofaro DGD, and Vanderlei LCM
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- Humans, Male, Female, Middle Aged, Aged, Accelerometry, Sedentary Behavior, Exercise, Cardiac Rehabilitation methods
- Abstract
Sedentary behavior (SB) is associated with health impairments, while physical activity (PA) has been a protective factor. It is unclear whether SB and PA are associated with occurrence of signs and/or symptoms (SS) during cardiac rehabilitation program (CRP) exercise sessions. The objective was to evaluate the association between SB and PA with occurrence of SS. Was included 48 patients from a CRP program (64.7 ± 10.4 years-old). Daily time and % of time of SB and weekly time in moderate-to-vigorous-intensity [MVPA], % of MVPA time, steps/day, and steps/minute were accelerometer-measured. Patients were followed-up during 24 CRP sessions, for accompaniment of SS. Age, sex, and comorbidities (hypertension, diabetes, dyslipidemia, obesity) were covariates. Log-transformed values of SB, MVPA and steps/day were also analyzed. As results, 43.7% (n = 21) of participants presented occurrence of signs, 62.5% (n = 30) presented occurrence of symptoms, and 81.2% (n = 39) present occurrence of SS. In fully adjusted model, % of time in MVPA (β: -0.449,p = 0.045) and steps/minute (β: -0.244,p = 0.026) were inversely associated with occurrence of symptoms. No association was observed between SB and PA and occurrence of signs. The occurrence of symptoms and SS among CRP participants was directly associated with SB and inversely associated with variables of PA., (© 2024. The Author(s).)
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- 2024
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39. Role of physical activity and sedentary behavior in venous thromboembolism: a systematic review and dose-response meta-analysis.
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Wang G, Han B, Dai G, Lian Y, Hart ML, Rolauffs B, Chen H, Tang C, and Wang C
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- Humans, Risk Factors, Female, Male, Sedentary Behavior, Venous Thromboembolism etiology, Exercise
- Abstract
Increasing studies have investigated the link between physical activity (PA) and sedentary behavior with venous thromboembolism (VTE) but the existing findings are not consistent and the independent relationship is uncertain. This meta-analysis aimed to comprehensively assess the shape of dose-response relationship between PA and sedentary behavior with VTE and further explore whether the relationship is independent after mutual adjustment. We systematically searched PubMed, Embase and Web of Science from inception to August 1, 2024. PA exposures were converted into MET-h/wk. Categorical meta-analyses and a cubic spline model were performed to evaluate the association between PA, sedentary behavior and VTE. Twenty-five articles including 31 studies were included. A curvilinear dose-response relationship between PA and VTE was observed, with steeper gradients even at lower PA levels. After adjustment for sedentary behavior, higher level of PA was independently associated with a reduced VTE risk (OR = 0.83, 95%CI:0.77-0.89). Based on population attributable fraction analyses, 2.37% (95%CI: 1.90-2.85%) of incident VTE could have been prevented if all adults had achieved half the PA minimum recommended level. A linear dose-response relationship between sedentary behavior and VTE risk was found, and there was a 2% higher risk of VTE (OR = 1.02, 95%CI: 1.00-1.03) for 1 h increment of sedentary behavior per day. After adjustment for PA, sedentary behavior was independently associated with an increased VTE risk (OR = 1.19, 95CI%:1.01-1.39). Our analyses demonstrated PA and sedentary time were indeed independently associated with the risk of VTE after mutually adjusting for sedentary time or PA, highlighting a unique perspective on their individual contributions. Further studies assessing the effects of different combinations of PA and sedentary time for assessing joint effects on VTE are needed., (© 2024. The Author(s).)
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- 2024
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40. The association of sedentary time with sleep disturbances among the US population, 2005 to 2014.
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Li S, Liu H, Sun L, Zhang J, Wang T, and Wang J
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- Humans, Male, Female, United States epidemiology, Cross-Sectional Studies, Middle Aged, Adult, Aged, Time Factors, Risk Factors, Young Adult, Sedentary Behavior, Sleep Wake Disorders epidemiology, Nutrition Surveys
- Abstract
Background: Sleep problems increase the risk of premature illness and death. We evaluated the association between sedentary time and sleep disturbances., Methods: A cross-sectional analysis of the US nationally representative data of 21,414 adults (aged > = 18 years) from National Health and Nutrition Examination Survey (NHANES) (2005-2014) was performed. The data of sleep disturbances were assessed using NHANES questionnaire results, which included the question, "{Have you/has sp} ever been told by a doctor or other health professional that {you have/s/he has} a sleep disorder?". All participants were stratified by quartiles of sedentary behavior distribution, which was the explanatory variable (sedentary time quartile cut points: Q1, 0 < = Q1 < 3 h; Q2, 3 < = Q2 < 5 h; Q3, 5 < = Q3 < 8 h; Q4, 8 < = Q4 < 20 h). We used multivariable logistic regression and the restricted cubic splines (RCS) model to assess the relationship between sedentary time and sleep disturbances., Results: In the unadjusted multivariable logistic regression model (crude model), there was a demonstrated tendency for the odds of sleep disturbances to increase with the sedentary time (Q1 as reference, Q2: OR, 1.31 [95% CI 1.09-1.58] P = 0.005; Q3: OR, 1.62 [95% CI 1.39-1.88] P < 0.001; Q4: OR, 1.75 [95% CI 1.48-2.06] P < 0.001; P for trend < 0.001). In the adjusted model 4, adjustment for gender, age, marital type, education type, race, family poverty index ratio, waist circumference, recreational type, smoke status, drink status, diabetes mellitus status, cardiovascular disease status, sleep duration type, body mass index, the OR in Q2 subgroup didn't significantly increase (Q1 as reference. Q2: OR, 1.18 [95% CI 0.96-1.44] P = 0.1). However, the ORs in Q3 and Q4 (Q3: OR, 1.35 [95% CI 1.14-1.59] P < 0.001; Q4: OR, 1.45 [95% CI 1.21-1.75] P < 0.001) both revealed that the risk of sleep disturbances increased with increasing sedentary time, P for trend < 0.001. The unadjusted RCS model revealed that the risk of sleep disturbances increased non-linearly with increasing sedentary time for total participants (P for non-linearity < 0.001). After adjusting for all covariates, the RCS results revealed that the risk of sleep disturbances increased non-linearly with increasing sedentary time for total participants (P for non-linearity = 0.012)., Conclusions: This study suggested that the longer sedentary time was strongly associated with the sleep disturbances. The protective effect of recreational activities on sleep disturbance, has not been significantly demonstrated., (© 2024. The Author(s).)
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- 2024
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41. Replacement of sedentary behavior with various physical activities and the risk of all-cause and cause-specific mortality.
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Chang Q, Zhu Y, Liu Z, Cheng J, Liang H, Lin F, Li D, Peng J, Pan P, and Zhang Y
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- Humans, Male, Female, Middle Aged, Prospective Studies, Adult, United Kingdom epidemiology, Aged, Neoplasms mortality, Respiratory Tract Diseases mortality, Cause of Death, Proportional Hazards Models, Risk Factors, Sedentary Behavior, Exercise physiology, Cardiovascular Diseases mortality, Cardiovascular Diseases prevention & control
- Abstract
Background: Sedentary behavior (SB) has emerged as a significant health concern that deserves attention. This study aimed to examine the associations between prolonged sedentary behavior and the risk of all-cause and cause-specific mortality as well as to explore desirable alternatives to sitting in terms of physical activity (PA)., Methods: Two prospective cohort investigations were conducted using the UK Biobank and NHANES datasets, with a total of 490,659 and 33,534 participants, respectively. Cox proportional hazards regression models were used to estimate the associations between SB and the risk of all-cause and cause-specific mortality due to cancer, cardiovascular disease (CVD), respiratory diseases, and digestive diseases. In addition, we employed isotemporal substitution models to examine the protective effect of replacing sitting with various forms of PA., Results: During the average follow-up times of 13.5 and 6.7 years, 36,109 and 3057 deaths were documented in the UK Biobank and NHANES, respectively. Both cohorts demonstrated that, compared with individuals sitting less than 5 h per day, individuals with longer periods of sitting had higher risks of all-cause and cause-specific mortality due to cancer, CVD, and respiratory diseases but not digestive diseases. Moreover, replacing SB per day with PA, even substituting 30 min of walking for pleasure, reduced the risk of all-cause mortality by 3.5% (hazard ratio [HR] 0.965, 95% confidence interval [CI] 0.954-0.977), whereas cause-specific mortality from cancer, CVD, and respiratory diseases was reduced by 1.6% (HR 0.984, 95% CI 0.968-1.000), 4.4% (HR 0.956, 95% CI 0.930-0.982), and 15.5% (HR 0.845, 95% CI 0.795-0.899), respectively. Furthermore, the protective effects of substitution became more pronounced as the intensity of exercise increased or the alternative duration was extended to 1 h., Conclusions: SB was significantly correlated with substantially increased risks of all-cause mortality and cause-specific mortality from cancer, CVD, and respiratory diseases. However, substituting sitting with various forms of PA, even for short periods involving relatively light and relaxing physical activity, effectively reduced the risk of both overall and cause-specific mortality., (© 2024. The Author(s).)
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- 2024
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42. Isotemporal substitution analysis of time between sedentary behavior, and physical activity on sleep quality in younger adults: a multicenter study.
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Menezes-Júnior LAA, Barbosa BCR, de Paula W, Ferreira AD, Cardoso CS, de Freitas ED, de Carvalho Vidigal F, Ferreira LG, Nobre LN, da Silva LS, and Meireles AL
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- Humans, Male, Female, Cross-Sectional Studies, Young Adult, Brazil, Time Factors, Adult, Adolescent, Surveys and Questionnaires, Self Report, Universities, Students statistics & numerical data, Students psychology, Quality of Life, Sedentary Behavior, Exercise, Sleep Quality
- Abstract
Objective: To evaluate the effects of replacing time spent in sedentary behavior (SB) with moderate to vigorous physical activity on sleep quality in young adults., Methods: Multicenter cross-sectional study, carried out with students enrolled in undergraduate courses at universities in Brazil. Sleep quality was assessed using a question of the World Health Organization Quality of Life (WHOQOL-brief) and classified as good or poor sleep quality. SB was evaluated by self-reported total sitting time, and the level of leisure-time PA was classified according to the intensity of moderate-intensity physical activity (MPA) and vigorous-intensity physical activity (VPA), which were assessed using a self-reported questionnaire. An isotemporal replacement logistic model was used to evaluate the effects of different SB, MPA, and VPA sessions on sleep quality., Results: A total of 8,059 study participants were evaluated, the majority had poor sleep quality (64.79%), were physically inactive (48.28%, defined as practicing < 150 min of MPA or < 75 min of VPA per week), and spent ≥ 9 h/day in SB (55.08%). The multivariate model showed an association between non-adherence to wake-based movement guidelines and poor sleep quality, where those with one altered behavior were 43% more likely to have poor sleep quality (OR:1.43;95%CI:1.27 to 1.60), while individuals with two altered behaviors were 97% more likely (OR:1.97;95%CI:1.73 to 2.24). In the isotemporal analysis, replacing MPA and VPA with equivalent time in SB increased the odds of poor sleep at all times assessed, with peaks of 56% for MPA and 68% for VPA., Conclusion: The results of the present study indicate that replacing SB with the same amount of MPA or VPA may reduce poor sleep quality., (© 2024. The Author(s).)
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- 2024
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43. The frail-LESS (LEss sitting and sarcopenia in frail older adults) remote intervention to improve sarcopenia and maintain independent living via reductions in sedentary behaviour: findings from a randomised controlled feasibility trial.
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Bailey DP, Harper JH, Kilbride C, McGowan LJ, Victor C, Brierley ML, and Chater AM
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- Humans, Aged, Male, Female, Aged, 80 and over, Sitting Position, Frailty therapy, Sarcopenia therapy, Feasibility Studies, Sedentary Behavior, Frail Elderly, Independent Living
- Abstract
Background: Sarcopenia leads to functional disability, dependence in activities of daily living (ADL), and is a key contributor to frailty. Reducing and breaking up sedentary time is associated with improved sarcopenia and frailty-related outcomes. The aim of this study was to determine the feasibility of delivering and evaluating a remote sedentary behaviour intervention to improve sarcopenia and independent living in older adults with frailty., Methods: A two-arm randomised controlled feasibility trial was conducted with a target of 60 older adults (mean age 74 ± 6 years) with very mild or mild frailty. Participants were randomised to the Frail-LESS (LEss Sitting and Sarcopenia in Frail older adults) intervention or usual care control group for six months. The intervention included tailored feedback on sitting, standing and stepping; an education workbook that included goal setting and action planning; one-to-one health coaching; peer support; and a wearable device to self-monitor sedentary behaviour. Participant recruitment (percentage of eligible individuals recruited), retention and data completion rates were used to assess trial feasibility. Acceptability of the trial was explored through interviews and safety was evaluated via unplanned healthcare utilisation and number of falls. Sitting, standing, stepping and sarcopenia were measured to evaluate potential intervention effects., Results: Sixty participants were recruited. Recruitment and retention rates were 72% and 83%, respectively. Completion rates for outcome measures ranged from 70 to 100%. The trial was safe (< 1 fall per participant on average at each timepoint) and trial procedures were acceptable. Descriptive analysis (mean ± SD) showed that daily sitting was 25.1 ± 82.1 min/day lower in the intervention group, and 6.4 ± 60.5 min/day higher in the control group, at 6 months compared with baseline. Hand grip strength and sit-to-stand score were improved by 1.3 ± 2.4 kg and 0.7 ± 1.0, respectively, in the intervention group., Conclusions: This study demonstrates the feasibility and safety of delivering and evaluating a remote intervention to reduce and break up sitting in older adults with frailty. The intervention showed evidence towards reducing daily sitting and improving sarcopenia, supporting its evaluation in a definitive randomised controlled trial., Trial Registration: ISRCTN registry (registration number: ISRCTN17158017). Registered 6th August 2021., (© 2024. The Author(s).)
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- 2024
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44. Accelerometer-based sedentary time and physical activity from childhood through young adulthood with progressive cardiac changes: a 13-year longitudinal study.
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Agbaje AO
- Subjects
- Humans, Male, Female, Child, Adolescent, Prospective Studies, Time Factors, Young Adult, United Kingdom epidemiology, Longitudinal Studies, Age Factors, Ventricular Remodeling, Accelerometry, Actigraphy instrumentation, Fitness Trackers, Sedentary Behavior, Exercise, Ventricular Function, Left
- Abstract
Aims: Longitudinal evidence on the relationship of sedentary time (ST), light-intensity physical activity (LPA), and moderate-to-vigorous-intensity physical activity (MVPA) with changes in cardiac structure and function in the paediatric population is scarce. This evidence is clinically important due to the impact ST can have on the long-term prognosis of healthy young population in the lifetime continuum. This prospective observational study examined the relationships of cumulative ST, LPA, and MVPA from childhood with longitudinal changes in cardiac structure and function., Methods and Results: This is a secondary analysis from the Avon Longitudinal Study of Parents and Children, UK birth cohort of 1682 children aged 11 years. Participants who had at least one follow-up timepoints accelerometer-measured ST, LPA, and MVPA over a period of 13 years and repeated echocardiography-measured cardiac structure and function at ages 17- and 24-year clinic visit were included. Left ventricular mass indexed for height2.7 (LVMI2.7) and left ventricular (LV) diastolic function from mitral E/A ratio (LVDF) were computed. Among 1682 children (mean [SD] age, 11.75 [0.24] years; 1054 [62.7%] females), the cumulative one-min/day increase in ST from ages 11 to 24 years was associated with progressively increased LVMI2.7 {effect estimate 0.002 g/m2.7 [confidence interval (CI) 0.001-0.003], P < 0.001}, irrespective of sex, obesity, and hypertensive status. Cumulative one-min/day increase in LPA was associated with a decreased LVMI2.7 (-0.005 g/m2.7 [-0.006 to -0.003], P < 0.0001) but an increased LVDF. Cumulative one-minute/day increase in MVPA was associated with progressively increased LVMI2.7 (0.003 g/m2.7 [0.001-0.006], P = 0.015)., Conclusion: ST contributed +40% to the 7-year increase in cardiac mass, MVPA increased cardiac mass by +5%, but LPA reduced cardiac mass by -49%. Increased ST may have long-term pathologic effects on cardiac structure and function during growth from childhood through young adulthood; however, engaging in LPA may enhance cardiac health in the young population., Competing Interests: Conflict of interest: none declared., (© The Author(s) 2024. Published by Oxford University Press on behalf of the European Society of Cardiology.)
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- 2024
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45. Ecological Momentary Intervention to Replace Sedentary Time With Physical Activity to Improve Executive Function in Midlife and Older Latino Adults: Pilot Randomized Controlled Trial.
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Bronas UG, Marquez DX, Fritschi C, Petrarca K, Kitsiou S, Ajilore O, and Tintle N
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- Humans, Pilot Projects, Female, Male, Middle Aged, Aged, Sedentary Behavior, Hispanic or Latino psychology, Exercise, Executive Function
- Abstract
Background: Exercise interventions often improve moderate to vigorous physical activity, but simultaneously increase sedentary time due to a compensatory resting response. A higher level of sedentary time is associated with a lower level of executive function, while increased moderate to vigorous physical activity is associated with improved global cognition and working memory among Latino adults. Latino adults are the fastest-growing minority group in the United States and are at high risk for cognitive decline, spend more time sedentary compared to non-Hispanic populations, and engage in low levels of physical activity. Interventions that are culturally appropriate for Latino adults to replace sedentary time with physical activity are critically needed., Objective: This study aims to develop and test the feasibility and acceptability of an ecological momentary intervention (EMI; delivered in real time) that is individually designed to replace sedentary time with physical activity in Latino adults., Methods: This pilot study randomized 39 (n=26, 67% female; mean age 61, SD 5.8 years) community-dwelling, Spanish-speaking Latino adults (1:1 allocation) to either a 6-week EMI program designed to replace sitting time with physical activity (20/39, 51%) or physical activity guidelines education (19/39, 49%). The program was conducted on the web and in Spanish. The intervention was individualized based on individual interview responses. The intervention included the use of a Fitbit activity monitor, weekly didactic phone meetings, interactive tools (SMS text messages), and coach-delivered feedback. Feasibility and acceptability were assessed via study satisfaction (Likert scales), motivation (ecological momentary assessment), retention, and compliance. Sedentary time and physical activity were assessed via 7-day actigraphy. Cognitive performance was assessed via the trail making test part A and B (part B=executive function) and via the National Institutes of Health Toolbox remote cognitive assessment. Statistical analysis included a linear model on change score from baseline, adjusting for age, sex, and education, emphasizing effect size., Results: Participant satisfaction with EMI was high (9.4/10), with a high degree of motivation to replace sitting time with physical activity (9.8/10). The intervention compliance rate was 79% with low difficulty using the Fitbit (1.7/10). Weekly step count increased in the intervention group by 5543 steps (group difference: d=0.54; P=.05) and sedentary time decreased by a mean 348 (SD 485) minutes (group difference: d=0.47; P=.24) compared to controls, with moderately strong effect sizes. The trail making test part B improved in the intervention group (mean -35.26, SD 60.35 seconds), compared to the control group (mean 7.19, SD 46 seconds; group difference: d=0.74; P=.01). No group differences were observed in other cognitive measures., Conclusions: An individualized EMI designed for midlife and older Latino adults has the potential to replace sitting time with physical activity and improve executive functioning. The intervention was feasible and well received with a high degree of satisfaction., Trial Registration: ClinicalTrials.gov NCT04507464; https://tinyurl.com/44c4thk5., (©Ulf G Bronas, David X Marquez, Cynthia Fritschi, Katherine Petrarca, Spyros Kitsiou, Olu Ajilore, Nathan Tintle. Originally published in the Journal of Medical Internet Research (https://www.jmir.org), 05.09.2024.)
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- 2024
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46. Developmental trends in young children's device-measured physical activity and sedentary behaviour.
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Christian HE, Adams EK, Moore HL, Nathan A, Murray K, Schipperijn J, and Trost SG
- Subjects
- Humans, Male, Female, Child, Preschool, Child, Western Australia, Child Behavior, Cohort Studies, Play and Playthings, Sex Factors, Child Development, Sedentary Behavior, Exercise, Accelerometry
- Abstract
Background: Knowledge of developmental trends in meeting age-specific 24-hour movement behaviour guidelines is lacking. This study describes developmental trends in device-measured physical activity and sedentary time over a three-year period among Western Australian children aged two to seven years, including differences between boys and girls. The proportion of children meeting age-specific physical activity guidelines before and after they transition to full-time school was also examined., Methods: Data from waves 1 and 2 of the Play Spaces and Environments for Children's Physical Activity (PLAYCE) cohort study were used (analysis n = 1217). Physical activity and sedentary time were measured by accelerometry at ages two to five (preschool, wave 1) and ages five to seven (commenced full-time school, wave 2). Accelerometer data were processed using a validated machine-learning physical activity classification model. Daily time spent in sedentary behaviour, energetic play (moderate-to-vigorous physical activity (MVPA)), total physical activity, and meeting physical activity guidelines were analysed using linear and generalised linear mixed-effects models with age by sex interaction terms., Results: All movement behaviours changed significantly with increasing age, and trends were similar in boys and girls. Total daily physical activity increased from age two to five then declined to age seven. Mean daily total physical activity exceeded 180 min/day from ages two to five. Daily energetic play increased significantly from age two to seven, however, was below 60 min/day at all ages except for seven-year-old boys. Daily sedentary time decreased to age five then increased to age seven but remained lower than at age two. All two-year-olds met their age-specific physical activity guideline, decreasing to 5% of girls and 6% of boys at age four. At age seven, 46% of boys and 35% of girls met their age-specific physical activity guideline., Conclusions: Young children's energetic play and total physical activity increased with age, but few children aged three to seven met the energetic play (MVPA) guideline. Interventions should focus on increasing children's energetic play in early childhood. Clearer guidance and strategies are needed to support young children as they change developmentally and as they transition from one age-specific movement guideline to the next., (© 2024. The Author(s).)
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- 2024
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47. The accumulation of physical activity and sedentary behaviour in children with cerebral palsy and their typically developing peers aged 6-12 years.
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Burahmah E, Shanmugam S, and Stansfield B
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- Humans, Child, Male, Female, Cross-Sectional Studies, Case-Control Studies, Sedentary Behavior, Cerebral Palsy physiopathology, Exercise physiology
- Abstract
Background: Physical activity and sedentary behaviour are usually described using daily volume indicators. However, for young children (6-12 years) and specifically those with conditions such as Cerebral Palsy, exploration of how physical behaviours are accumulated may provide valuable insight for behaviour change intervention planning., Research Question: How are physical activity and sedentary behaviour accumulated by 6-12 year old children with Cerebral Palsy and is this different from their typically developing peers?, Methods: A cross-sectional study of a convenience sample of ambulatory children with CP (CP) and typically developing (TD) children, 6-12 years, was recruited. Children wore a thigh worn activity monitor (activPAL4) during typical daily activities. Overall volume of daily sedentary, upright and stepping time was characterised as well as how this was accumulated in bouts of activity., Results: There were no differences (p<0.05) in either volume or accumulation measures of physical behaviours between TD (n=14, 8.2±1.8 years) and children with CP (n=15, 8.6±1.4 years). However, there was wide variation in activity accumulation patterns between individuals. The mean proportion of daily time in each physical behaviour, accumulated in bouts above set times was: Upright time: bouts >5 mins 46 % TD & CP, bouts >20 mins 9 % TD & CP; Stepping time: bouts >0.5 mins 50 % TD, 45 % CP, bouts >2 mins 10 % TD, 9 % CP; Sedentary time: bouts >5 mins 77 % TD, 76 % CP, bouts >30 mins 26 % TD, 29 % CP., Significance: Young children with CP aged 6-12 years do not appear to have different physical behaviours to their TD peers. However, for individuals, descriptors of accumulation of physical activity and sedentary behaviour bouts provides additional information over and above volume measures, giving insight into behaviour which may be used to inform intervention planning., Competing Interests: Declaration of Competing Interest None., (Copyright © 2024 The Authors. Published by Elsevier B.V. All rights reserved.)
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- 2024
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48. Large-scale greenway exposure reduces sedentary behavior: A natural experiment in China.
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Li Z, Lu Y, Xie B, and Wu Y
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- Humans, China, Male, Female, Adult, Middle Aged, Walking, Residence Characteristics, Exercise, Environment Design, Sedentary Behavior
- Abstract
As a global public health problem, sedentary behavior has attracted more and more attention. Although numerous studies have demonstrated many benefits of green spaces to health, causal evidence on how green spaces affect people's sedentary behavior is scarce. This study used a natural experiment to evaluate the impact of greenway intervention on sedentary behavior. Two waves of data were collected in 2016 and 2019 (before and after the intervention) at East Lake Greenway (102-km-long) in Wuhan, China, with 1020 participants in 52 neighborhoods. We adopted three major methods to evaluate the impact of greenway intervention on sedentary behavior, including Propensity Score Matching and difference-in-difference (PSM-DID) method (with both individual and neighborhood variables to match samples), continuous treatment DID method (with distance to the greenway as the continuous treatment), and mediation analysis (with moderate to vigorous physical activity or MVPA, and walking time as the mediator). The results revealed that the greenway intervention significantly reduced participants' sedentary time and the intervention has a distance decay effect. The closer to the greenway, the greater decrease in sedentary time after the greenway opening. Furthermore, we found that MVPA and walking time mediate the impact of the greenway intervention on the change in sedentary behavior. The effect of greenway intervention was more beneficial for those under the age of 60, those who were employed, or those who were married. Our findings provided robust evidence that exposure to urban greenways affects sedentary behavior and such green infrastructures help protect public health in high-density urban areas., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2024 Elsevier Ltd. All rights reserved.)
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- 2024
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49. A behaviour change intervention to reduce sedentary behaviour in chronic obstructive pulmonary disease: a qualitative study.
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Cheng SWM, Guan C, Dennis S, Alison J, Stamatakis E, and McKeough Z
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- Humans, Male, Female, Aged, Middle Aged, Motivation, Interviews as Topic, Behavior Therapy methods, Exercise, Health Behavior, Pulmonary Disease, Chronic Obstructive rehabilitation, Pulmonary Disease, Chronic Obstructive psychology, Sedentary Behavior, Qualitative Research
- Abstract
Objectives: To document the experiences of people with chronic obstructive pulmonary disease (COPD) who underwent a behaviour change intervention to reduce sedentary behaviour (SB) in a clinical trial., Design and Participants: Qualitative study using semi-structured interviews to explore perspectives of the behaviour change intervention and specific intervention components in people with stable COPD on the waitlist for pulmonary rehabilitation., Setting: Three outpatient pulmonary rehabilitation programmes in Sydney, Australia., Interventions: The six-week behaviour change intervention with once weekly contact with a physiotherapist aimed to reduce SB by replacing it with light-intensity physical activity (PA) and by breaking up prolonged SB., Main Outcome Measures: Of 30 participants who completed the behaviour change intervention, interviews were conducted with 13 participants and analysed using the 'capability, opportunity, motivation, behaviour (COM-B)' framework of behaviour change., Results: Intervention components regarded as most helpful by participants were verbal education on health consequences on SB, goal setting, and self-monitoring of, and feedback on, step count using activity trackers. There was a clear preference during goal setting to increase PA rather than to reduce SB. Physical limitations and enjoyment of SB were the most reported barriers to reducing SB., Conclusions: Goal setting, verbal education, and self-monitoring of, and feedback on step count, were viewed positively by people with COPD and may show promise for reducing SB and increasing PA based on individual preference. CONTRIBUTION OF THE PAPER., (Copyright © 2024 The Author(s). Published by Elsevier Ltd.. All rights reserved.)
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- 2024
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50. Exploring lower limb muscle activity and performance variations during instrumented Sit-to-Stand-to-Sit in sedentary individuals: Influence of limb dominance and testing modalities.
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Torres-Banduc M, Jerez-Mayorga D, Chirosa-Ríos L, and Chirosa-Ríos I
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- Humans, Male, Adult, Female, Young Adult, Functional Laterality physiology, Sitting Position, Muscle Strength physiology, Muscle, Skeletal physiology, Electromyography, Sedentary Behavior, Lower Extremity physiology
- Abstract
Purpose: to explore lower limb muscle activity concerning limb dominance, as well as variations in force and power during the standing up and sitting down phases of the instrumented sit-to-stand-to-sit test in sedentary individuals, across isokinetic and isotonic modalities., Methods: 33 sedentary individuals underwent testing using a functional electromechanical dynamometer in both isokinetic and isotonic modes, accompanied by surface electromyography., Results: In the isokinetic mode, the non-dominant gastrocnemius medialis and vastus medialis exhibited significantly (p < 0.05) higher muscle activity values during the standing up and sitting down phase compared to dominant counterparts. In the isotonic mode standing up phase, significant differences in muscle activity were noted for non-dominant gastrocnemius medialis, vastus medialis, and biceps femoris compared to their dominant counterparts. The sitting down phase in isotonic mode showed higher muscle activity for non-dominant vastus medialis compared to dominant vastus medialis. Regard to performance outcomes, significantly lower (p < 0.0001) values were observed for standing up (12.7 ± 5.1 N/kg) compared to sitting down (15.9 ± 6.1 N/kg) peak force, as well as for standing up (18.7 ± 7.8 W/kg) compared to sitting down (25.9 ± 9.7 W/kg) peak power in isokinetic mode. In isotonic mode, lower values were found for sitting down (6.5 (6.3-7.1) N/kg) compared to standing up (7.8 (7.3-8.9) N/kg) peak force and for sitting down (18.5 (13.2-21.7) W/kg) compared to standing up (33.7 (22.8-41.6) W/kg) peak power., Conclusions: Limb dominance influences lower-limb muscle activity during the instrumented sit-to-stand-to-sit test, and the choice of testing mode (isokinetic or isotonic) affects muscle engagement and performance outcomes., Competing Interests: Declaration of competing interest The authors declare no conflict of interest., (Copyright © 2024 The Author(s). Published by Elsevier Inc. All rights reserved.)
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- 2024
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