Now showing items 1-10 of 19
Evaluation of pre-game hydration status, heat stress, and fluid balance during professional soccer competition in the heat
(European Journal of Sport Science 9(5). 2009, 2009-09)
This study evaluated initial hydration status (stadium arrival urine specific gravity), fluid balance (pre- and post-game nude body weight, fluid intake, urine collection), and core temperature changes (pre-game, half-time, ...
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 ...
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 ...
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 ...
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 ...
Características cineantropométricas e ingesta nutricional de mujeres y hombres costarricenses dedicados al modelaje publicitario
Kinanthropometric characteristics and nutritional intake of Costa Rican female and male advertising models
El propósito del estudio fue describir las características cineantropométricas y la ingesta nutricional de mujeres y hombres costarricenses dedicados al modelaje publicitario. Se realizó un estudio transversal descriptivo ...
Effect of strength training on body composition, strength and aerobic capacity of Brazilians adolescents’ handball players related with peak growth rate.
Efecto del entrenamiento de la fuerza sobre la composición corporal, fuerza y capacidad aeróbica de los jugadores adolescentes de balonmano brasileños relacionados con el pico de crecimiento
Objective: During adolescence are expected significant increases in growth rate, strength and body proportions. The purpose of this study was to examine changes in strength, body composition and aerobic capacity after a ...