Nutrición
Envíos recientes
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Influence of Mild Dehydration on Exercise Performance
(2001-12)This presentation summarizes some initial evidence for an impairment of exercise performance due to mild dehydration. An attempt is made at defining mild dehydration, and preliminary hypotheses are presented. -
Effects of fasting on endurance exercise in adult males: preliminary evidence for a "nocebo" effect
(1998)The literature has repeatedly reported a negative effect of fasting on endurance exercise in humans. The goal of this study was to test the hypothesis that endurance performance is susceptible to a “negative placebo” or ... -
Evaluación del efecto de la espirulina para reducción de peso en mujeres universitarias
(1996)Este estudio evaluó el efecto del alga espirulina en el tratamiento de reducción de peso en 15 mujeres universitarias, grupo control (n=7) y grupo experimental (n=8). El tratamiento consistió en tres tomas de una cápsula ... -
New developments in sports nutrition: introduction and historical overview
(2003)The science of sports nutrition is quickly growing to maturity. The last two decades have seen the publication of the International Journal of Sports Nutrition and many sound textbooks such as those edited by Ron Maughan ... -
Cómo distinguir entre la ciencia y la especulación en la nutrición deportiva
(1998)Se analiza cómo muchas personas son presa de su propio deseo de lograr resultados sin hacer el esfuerzo correspondiente. Además, se presentan sugerencias sobre cómo discernir la afirmaciones falsas de las que quizás sí ... -
Attività fisica ed idratazione: quando l’acqua non basta
(2005-10)During sports training and games, thermoregulation may be a challenge when environmental conditions are hot and/or humid. In addition, limited opportunities to drink may promote dehydration and exacerbate the thermoregulatory ... -
Efeitos da Desidratação no Rendimento Físico e na Saúde
(2001)As pessoas fisicamente ativas devem prestar atenção a sua hidratação. A desidratação tem efeitos negativos sobre o funcionamento do corpo, que vão desde pequenas diminuições no rendimento físico, até problemas por calor ... -
Metabolic and Performance Responses to Carbohydrate Intake During Exercise
(2000-09)During exercise, an adequate supply of substrates is required for the continuing resynthesis of ATP in working muscles. Muscle fibers have limited stores of creatine phosphate, glycogen, and triglycerides and so must also ... -
Prevalencia de parasitosis en niños de 1 a 7 años en condición de vulnerabilidad en la Región Central Sur de Costa Rica
(2018)Objetivo: Actualizar la información sobre la prevalencia de parasitosis en niños en Costa Rica y la relación de esta con factores socioeconómicos. Metodología: se realizó un estudio para determinar la prevalencia de ... -
Duración de la lactancia materna exclusiva en una comunidad urbana y otra rural de Costa Rica
(2018)Objetivo: Indagar la duración de la lactancia materna exclusiva en una comunidad urbana y una rural de Costa Rica. Método: Se realizó un estudio descriptivo transversal sobre el inicio y duración de la lactancia materna ... -
Validez del porcentaje de grasa corporal por pliegues cutáneos comparado con la dilución de óxido de deuterio en escolares costarricenses
(2018)El objetivo del estudio fue determinar la validez del porcentaje de grasa corporal (% GC) estimado por la ecuación de Slaughter en escolares costarricenses. Participaron 54 niños y 49 niñas con una edad promedio 7.8 ± ... -
Deficiencias nutricionales y anemia en niñas y niños preescolares de Costa Rica en el periodo 2014-2016
(2018)Objetivos: (i) Determinar la prevalencia de deficiencias nutricionales y anemia en preescolares que se benefician de dos programas de ayuda nutricional (intramuros y extramuros) en los Centros de Educación y Nutrición y ... -
Rehidratación post-ejercicio con agua de coco: ¿Igual o más efectiva que una bebida deportiva?
(2011)Objetivo: comparar la efectividad rehidratante del agua de coco fresca, con el agua embotellada y una bebida deportiva. Metodología: once participantes de 22,0 ± 1,9 años y 65,6 ± 13,0 kg de masa corporal ... -
La eliminación de orina en respuesta a una ingesta de agua es consistente en personas bien hidratadas
(2010-12)Recientemente se ha propuesto un método sencillo para evaluar el estado agudo de hidratación en humanos, pero persisten varias preguntas con respecto a su confiabilidad, validez y utilidad práctica. ... -
Elimination of urine in response to water intake is consistent in well-hydrated individuals
(2010-12)A simple method has been recently proposed to assess acute hydration status in humans; however, several questions remain regarding its reliability, validity, and practicality. Objective:Establish ... -
No effect of carbohydrate feeding on 16 km cycling time trial performance
(2008-11-24)The aim of this study is to investigate the effects of CHO ingestion during high intensity exercise performance lasting approximately 25 min. Twelve endurance trained male cyclists (age 19–41 years; body mass 73.2 ± ... -
Quality of Science Reports:Analysis of Sports Nutrition 2013 ACSM Annual Meeting Abstracts
(2014-05)The objective of the ACSM Annual Meeting is the exchange of scientific information. Authors of free communications must submi t abstracts by a specific deadline for evaluation. As the written record of those presentations, ... -
Motorcycle Enduro Race in Heat: Fluid Balance and Thermoregulation
(2007-05)PURPOSE: To evaluate the hydration status, fluid balance and core temperature changes during an enduro motorcycle race. METHODS: 12 professional male enduro drivers gave written informed consent to participate. Data were ... -
Evaluation Of A Real Life Desire-to-drink Scale
(2016)PURPOSE:to determine the strength of the association between the amount of fluid people say they want to drink after exercise and the actual amount of fluid intake within 30 min post-exercise. -
Malnutrition and infection in a typical rural Guatemalan Village: Lessons for the planning of preventive measures
(2010-09-01)A long-term prospective study of fetal and postnatal growth and possible influenceson growth was initiated in 1963in a Guatemalan village.A high proportion of the infants were of low birth weight and they were more at risk ...
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