Now showing items 1-10 of 30
Relationship between sleep duration affects cognitive function in adolescents
Relación entre la duración del sueño y el desempeño cognitivo en adolescentes
Sleep time may interfere with the ability to perform tasks requiring memory, organization and reasoning. A lack of sleep has been related to cognitive deficits; however, few studies had demonstrated an association between ...
Predictive Validity of the Body Adiposity Index in Costa Rican Students
Objective: To verify the validity of the body adiposity index (BAI) in a sample of Costa Rican students. Methods: Volunteers were 93 females (mean age 5 18.6 6 2.4 years) and 106 males (mean age 5 19.2 6 2.8 years). ...
Acute Effects of Exercise on Blood Pressure: A Meta-Analytic Investigation
Hypertension affects 25% of the world’s population and is considered a risk factor for cardiovascular disorders and other diseases. The aim of this study was to examine the evidence regarding the acute effect of exercise ...
Duathlon performance unaltered by short-term changes in dietary fat and carbohydrates
Purpose: This study investigated the effects of short-term dietary changes on metabolism and duathlon performance. Methods: Eleven men underwent a high-fat (HF; >65% fat from energy) or a high-carbohydrate (CHO; HC) ...
Initial metabolic state and exercise-induced endotoxaemia are unrelated to gastrointestinal symptoms during exercise
The aim of the study was to investigate the association between the initial metabolic state and exercise-induced endotoxaemia on the appearance of gastrointestinal symptoms (GIS) during exer-cise. Eleven males ...
Efecto de un programa de actividad física de moderada a vigorosa de diez meses sobre el VO2max y el porcentaje de grasa corporal en niños con sobrepeso y obesidad
Effect of a ten-month moderate to vigorous physical activity program on VO2max and the percentage of body fat in overweight and obese children
Objetivo: Evaluar el efecto de un programa de actividad física con intensidad de moderada a vigorosa bajo el modelo CATCH sobre el porcentaje de grasa corporal y capacidad aeróbica en niños con sobrepeso u obesidad. Método: ...
Monitoring Workload and Performance Response to Taekwondo Training
This study compared the association between Foster’s and Banister’s TRIMP methods for quantifying internal training load and training stimuli responses. Methods: A group of twenty-two Taekwondo competitors were divided ...
Cinética de la inmunoglobulina-A salival (IgAs) en adultos jóvenes con capacidad aeróbica promedio o excelente antes y después de una prueba de esfuerzo máximo
Salivary immunoglobulin A (sIgA) kinetics in young adults with an average or excellent aerobic capacity before and after a cardiopulmonary graded exercise test
Background: Aim: To compare the concentration of secretory immunoglobulin-A (sIgA) in young adults with average or excellent aerobic capacity before and after a cardiopulmonary graded exercise test. Methods: Participants ...
Paraoxonase responses to exercise and niacin therapy in men with metabolic syndrome
Our purpose was to characterize changes in paraoxonase 1 (PON1) activity and concentration after single aerobic exercise sessions conducted before and after 6 weeks of niacin therapy in men with metabolic syndrome (MetS). ...
Periodization Model for Costa Rican Taekwondo Athletes
The purpose of this article is to describe the conditioning of elite taekwondo competitors based on the block-periodized training model. this model of periodization has been used by the Costa Rican National Taekwondo Team ...