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The southern region of the department of Córdoba, Colombia, in the last ten years has shown growth in the cultivation of cocoa (Theobroma cacao L.) as an alternative to replace illicit crops and improve the quality of life of the families that They have gone through armed conflict. The production system has shown potential given its yields that exceed the national average; However, there is no evidence of the presence of a study that investigates the efficiency in the allocation or investment of resources. The objective of the work was to determine the technical efficiency of this crop with information obtained from a structured survey applied to 158 cocoa farmers in the municipalities of Puerto Libertador, Montelíbano, Tierralta and Valencia. The information obtained contained technical and socioeconomic variables that allowed calculating the current state of the technical efficiency of cocoa cultivation for this region of the country. The technique used was the stochastic frontier through the estimation of parameters by the least squares method to a Cobb Douglas type production function. Although the yields are not low, the results show that the farmer has a technical efficiency of 39%, attributed to underutilization of resources resulting in a production gap. It is concluded that this inefficiency is also associated with social factors such as the advanced age of farmers and low levels of schooling, mainly. [ABSTRACT FROM AUTHOR]

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Body composition encompasses a series of variables that are health-related and influence physical condition. Nevertheless, there is little evidence on its effects on the operational capacity of the military. The objective of this study was to relate the body composition, the physical condition and the operational capacity of the Chilean military. Fifty-seven Chilean soldiers (26.9 ± 4.8 years) participated, with operational specialization in infantry. Body composition was evaluated with octopolar bioimpedance, estimating fatfree mass, muscle tissue, and adipose tissue, among other variables. The following physical condition tests were also carried out: 5000 m flat, pull-ups, abdominals and flexibility, as well as four specific tests of specific military operational activities (simulated combat situation). The results showed a percentage of muscle tissue of 45.4 ± 2.9 % (95%CI: 44.6 - 46.2), while the percentage of adipose tissue was 20.3 ± 4.9 % (95%CI).: 14.7-17.3). Negative correlations of small magnitude were found between race time (5000 m) and muscle tissue (%) (r = -0.275) and positive with adipose tissue (%) (r = 0.294). However, high magnitude correlations were observed between pull-ups and muscle tissue (%) (r = 0.517) and adipose tissue (%) (r = -0.558). Adipose tissue was negatively related to aerobic capacity, arm strength, and abdominal endurance strength, while muscle tissue was positively related to these same variables. No correlations were found between body composition and military operational capacity (p<0.05). It is concluded that body composition and physical condition are not related to military operational capacity in combat situations in infantry specialists, but body composition is related to strength and cardiorespiratory capacity. [ABSTRACT FROM AUTHOR]

Background: Caffeine is the ergogenic molecule most commonly consumed by general population. This alkaloid has the ability to enhance both physical and cognitive performance. These features make caffeine an ideal candidate for the improvement of deployed military units’ performance. Objective: To revise preexisting scientific evidence concerning the beneficial properties of caffeine, regardless of its formulation, and its utilization in military missions carried out under stressing or unfavourable conditions. Materials and methods: Only studies deemed the most relevant and whose results were robust, reproducible and contrasted enough were taken into consideration. The scientific databases consulted include PubMed, Scielo, Google Scholar and Elsevier. Discussion: Caffeine consumption among military population is frequent and diverse. The wide variety of formulations available for its employment in military missions promotes the use of this alkaloid as a ergogenic support. Under unfavourable conditions, caffeine has been proven to enhance significantly the performance, which improve the operative time of military units. Conclusion: Caffeine could be able to reduce the consequences of sleep deprivation, such as physical fatigue, or the mental strain caused by long periods of activity. The ideal caffeine consumption would be of 3-6 mg/kg body weight/day, since this dosage has been proven to display all the beneficial effects of caffeine [ABSTRACT FROM AUTHOR]

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Copyright of Retos: Nuevas Perspectivas de Educación Física, Deporte y Recreación is the property of Federacion Espanola de Asociaciones de Docentes de Educacion Fisica and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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Copyright of Revista Nutrición Clínica y Dietética Hospitalaria is the property of Sociedad Espanola de Dietetica y Ciencias de la Alimentacion and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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Copyright of Retos: Nuevas Perspectivas de Educación Física, Deporte y Recreación is the property of Federacion Espanola de Asociaciones de Docentes de Educacion Fisica and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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Copyright of Dilemas Contemporáneos: Educación, Política y Valores is the property of Dilemas Contemporaneos: Educacion, Politica y Valores and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of RICYDE. Revista Internacional de Ciencias del Deporte is the property of Revista Internacional de Ciencias del Deporte and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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Copyright of Retos: Nuevas Perspectivas de Educación Física, Deporte y Recreación is the property of Federacion Espanola de Asociaciones de Docentes de Educacion Fisica and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Journal of Sport & Health Research is the property of Journal of Sport & Health Research and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Retos: Nuevas Perspectivas de Educación Física, Deporte y Recreación is the property of Federacion Espanola de Asociaciones de Docentes de Educacion Fisica and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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Objetive: Tevaluating the older adult's physical performance using the Short Physical Performance Battery in the older adult center - EsSalud - 2017. Material and method: observational, descriptive, cross-sectional and prospective study, carried out in Chiclayo during the year 2017; the Short Physical Performance Battery instrument (SPPB) was used, through direct observation and the sociodemographic data were obtained through an interview, in a total of 177 older adults of the center of the elderly (CAM). The data analysis was descriptive with calculation of frequencies and percentages for qualitative variables, and Chi square, mean and standard deviation were used for quantitative variables. Informed consent was used. Results: 46,3% of older adults who attend the CAM, have a physical performance with a minimum degree of limitation (SPPB>10); and with respect to gender, men have a better physical performance, considered as good (SPPB>10) with minimal limitations (71,4%), compared to women who only 40,1% have minimal limitations. Conclusion: older adults of the CAM, has a good physical performance, which is a result of the good interaction between the speed of walking, the degree of balance and the strength in their lower limbs, which they possess. [ABSTRACT FROM AUTHOR]

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Copyright of Revista ADM is the property of Asociacion Dental Mexicana and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

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Introduction: Very few nutritional supplements have scientifically demonstrated their effectiveness as an ergogenic aid. This review will examine creatine monohydrate (MC), the β-hydroxy-β-methylbutyrate (HMB), sodium bicarbonate (BS), the β-alanine and caffeine. Objectives: To analyze the effi cacy, mechanisms of action, dose, side effects and some sports that can benefit from their consumption. Methods: Searching in PubMed bibliographic database reviews from the last 15 years and original articles from the last 5 years of the studied substances. Results: Doses of 20 mg/day for 4-7 days are effective in improving strength and muscular power and performance in short and repeated sprints. HMB at doses of 3 g/day for at least 2 weeks contributes to increased lean mass and fat-free mass. The intake of 0.3 g/kg of BS improves performance on tests of 400-1,500 meters in athletics and intermittent sprints. Meanwhile, doses of 80 mg/kg/day of β-alanine for 4-10 weeks may improve performance in high-intensity intermittent exercise. Finally, caffeine at doses of 2 mg/kg improves responsiveness and 3-6 mg/kg improves performance in endurance tests. Conclusions: The revised supplements have shown their efficacy in physical performance, but it is needed to keep in mind that most studies have been conducted with recreational-level athletes. Generally, the better the individual´s fitness level is the less improvement in physical performance the supplement shows. However, an increase of only 1% may sometimes allow the athlete to advance several positions in a final. Finally, we should draw attention to the importance of optimizing nutrition before considering the introduction of sports supplements, especially in children and youth. All analyzed substances have scientific basis supporting its ergogenic effect. All of them can be found in the market with Certificate of Quality and Purit [ABSTRACT FROM AUTHOR]

Copyright of Retos: Nuevas Perspectivas de Educación Física, Deporte y Recreación is the property of Federacion Espanola de Asociaciones de Docentes de Educacion Fisica and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Copyright of Retos: Nuevas Perspectivas de Educación Física, Deporte y Recreación is the property of Federacion Espanola de Asociaciones de Docentes de Educacion Fisica and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)

Introduction: Low levels of moderate and vigorous physical activity are a factor of important behavioral risk in the obesity in children. Objective: The objective of this study was to determine the nutritional status and physical condition of students, by comparing the results obtained by gender, obesity, and physical performance. Material and methods: 578 students; 308 men of 11.22 ± 1.93 years and 270 women of 10.93 ± 1.92 years, participated in the investigation. Were evaluated; body mass index (BMI), percentage body fat (%FM), contour waist (CW), waist-to-height ratio (wtHR) and physical performance according to the test of the National Study of Physical Education of the Agency of Quality of Education of Chile. Results: The %FM was higher in women (p < 0.001). In the Test of abdominal and Navette performance was higher in men and in the test of flexo-extensions of arm performance was higher in women (p < 0.05). Category of obese schoolchildren showed lower results in the test: abdominal, long jump, flexo-extensions of arm and Navette (p < 0.001). The VO2MAX was lower in the overweight subjects (p < 0.001). The students who need to improve 3 or 4 test presented more wtHR (p < 0.001) and %FM (p < 0.001). There is a negative association between the wtHR and the VO2MAX (-0.543, p < 0.001). Conclusions: There exists a high predominance of excess weight and obesity, also it is appreciated a low physical performance associated with this condition. The students, who need to improve 3 or 4 test of physical condition, have a higher average of %FM and wtHR, this last variable is a powerful indicator of cardiovascular risk. [ABSTRACT FROM AUTHOR]

Antecedentes: la prevalencia de obesidad infantil ha aumentado considerablemente en Chile y el mundo, presentando asociación negativa con el rendimiento físico. Objetivo: el propósito del estudio fue determinar el rendimiento físico en escolares y asociarlos a los niveles de sobrepeso, obesidad y riesgo cardiometabólico.Material y métodos: 342 escolares, entre 11 y 16 años de edad, participaron del estudio, un 44,2% correspondió a mujeres y un 55,8% a hombres. Se evaluaron las siguientes variables: peso, índice de masa corporal, porcentaje de masa grasa, contorno cintura, razón cintura estatura, Test de salto largo, Test de abdominales, Test de flexo-extensiones de brazo, Test de Cafra y Test de Navette.Resultados: s e observó que los escolares con sobrepeso y obesidad (48,3%) mostraron un incremento significativo en las medidas antropométricas, así como una disminución en todas las variables que determinan rendimiento físico. En el análisis de los Test de Cafra y Navette, se observó que la presencia de la alteración de al menos uno de ellos se asoció con riesgo cardiometabólico (OR= 9,29, p<0,001), mientras que la presencia de la alteración de los dos test se asocia fuertemente con la presencia de sobrepeso y obesidad (OR = 11,8, p = 0,003) y con riesgo cardiometabólico (OR = 30, 1, p<0,001).Conclusión: Los escolares con obesidad presentaron disminución en todas las variables que determinaron el rendimiento físico y fue la alteración capacidad cardiorrespiratoria medida a través de los Test de Cafra y Navette los que presentaron mayor asociación y significativa con el sobrepeso, obesidad y riesgo cardiometabólico. [ABSTRACT FROM AUTHOR]

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Background: in Chile, the increase of childhood obesity has become a pandemic, and it has become a major public health problem.Objective: the purpose of this study was to determine the prevalence of malnutrition in children-adolescents and to analyze its association with cardiometabolic risk and physical performance.Material and Methods: 342 students participated in this investigation (191 men and 151 women), who were between 11 and 16 years old, was evaluated index of corporal mass (IMC), body mass percentage (BMP), waist contour (WC), waist-to-height ratio (WHtR) and physical yield across multiple test.Results: the 3.2 % of the children-adolescent had low weight, the 48.5 % normal weight, 30.9 % overweight and 17.3 % were obese. The categories were analyzed as the presence or not of overweight and obesity. It was reported an inverse relationship between nutritional status and physical performance. School children with obesity, in comparison with those without, showed a significant increase in anthropometric measures, as well as a decrease in the physical performance (p. [ABSTRACT FROM AUTHOR]

Introduction: sports drinks aid to improve physical performance significantly because of its content of carbohydrate, electrolytes and water. However, in recent decades it has been found that drinking a sports drink with protein during exercise improves endurance performance, produces lower losses of body weight induced by dehydration and helps to reduce post-exercise muscle damage compared to a drink only with carbohydrate and electrolytes.Purpose: the aim of this study was to analyze the main studies about the effectiveness of a supplement intake with carbohydrate, protein and electrolytes during exercise.Methods: studies were identified by searching Google Scholar, EBSCO, PubMed and Scopus using the following search terms: Carbohydrate-protein and performance and Added protein and sports drink. The methodological quality of the trials was evaluated, and It was considered that the intake of the supplement has been during exercise.Results: twenty articles were included in this study. Thirteen obtained results were the intake of sports drinks with protein produced significant improvements on endurance performance compared to beverages with carbohydrates and electrolytes alone, or a placebo.Discussion: increase the caloric content of sports drinks to add protein was probably a better strategy than reduce the carbohydrate content to match the amount of calories.Conclusions: protein intake during exercise demonstrated an ergogenic effect on endurance performance when assessed by time to exhaustion. However, we need more evidence to prove this possible ergogenic effect of protein. [ABSTRACT FROM AUTHOR]

Introduction: there is a lack of studies concerning hydration status before training in professional soccer player. Purpose: to describe hydration status before regular training practices in professional soccer players. Methods: a total of 156 male soccer players (age 25.4 ± 5.2 y) from six professional Chilean clubs were included. No hydration or food intake recommendations were made before experiment, with the aim to assess hydration status under athlete's regular “real" conditions. Body mass, height and urine specific gravity (USG) measurements were performed before training practices. Results: 98% of athletes showed dehydration (between moderate and severe) before regular training practices. Discussion: dehydration is the most prevalent hydration status in professional Chilean soccer players before training, which may negatively affect athlete's performance and may increase their risk of heat-related injuries. [ABSTRACT FROM AUTHOR]

Copyright of Revista Kronos is the property of Revista Kronos and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)