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Incomplete warm-climate post-exercise rehydration with water, coconut water, or a sports drink 

Madriz Dávila, Karol; Aragón Vargas, Luis Fernando (Medicine & Science in Sports & Exercise, 32(5s), 238., 2011-10-01)
It is common to find mild to serious dehydration during exercise in hot, humid conditions. To restore euhydration, the literature shows that a fluid volume larger than sweat loss should be ingested post-exercise; ingestion ...

No effect of carbohydrate feeding on 16 km cycling time trial performance 

Jeukendrup, Asker E.; Hopkins, Shaun; Aragón Vargas, Luis Fernando; Hulston, Carl (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 ± ...
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Evaluación del efecto de la espirulina para reducción de peso en mujeres universitarias 

Beltranena Falla de Enríquez, María Mercedes; Aragón Vargas, Luis Fernando; Salazar Rojas, Wálter (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 ...

Metabolic and Performance Responses to Carbohydrate Intake During Exercise 

Aragón Vargas, Luis Fernando (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 ...

Effects of fasting on endurance exercise 

Aragón Vargas, Luis Fernando (1993)
Early studies agree that fasting is detrimental to overall physical performance and to endurance performance in humans; however, a study in rats reporte an ergogenic effect where time to exhaustion was increased by a ...
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Influence of Mild Dehydration on Exercise Performance 

Aragón Vargas, Luis Fernando (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.
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Effects of fasting on endurance exercise in adult males: preliminary evidence for a "nocebo" effect 

Beltranena Falla de Enríquez, María Mercedes; Aragón Vargas, Luis Fernando; Salazar Rojas, Wálter (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 ...
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Attività fisica ed idratazione: quando l’acqua non basta 

Aragón Vargas, Luis Fernando (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 ...

Cómo distinguir entre la ciencia y la especulación en la nutrición deportiva 

Aragón Vargas, Luis Fernando (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 ...

New developments in sports nutrition: introduction and historical overview 

Aragón Vargas, Luis Fernando (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 ...
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Aragón Vargas, Luis Fernando (16)
Beltranena Falla de Enríquez, María Mercedes (2)Capitán Jiménez, Catalina (2)Salazar Rojas, Wálter (2)Aburto Corona, Jorge Alberto (1)Acuña Espinoza, Alejandro (1)Flores Salamanca, Rebeca (1)García, Pedro Reinaldo (1)Hopkins, Shaun (1)Hulston, Carl (1)... View MoreTypecontribución de congreso (4)presentación de congreso (4)artículo científico (3)póster de congreso (3)capítulo de libro (1)contribución a revista (1)otro (1)ponencia (1)vídeo (1)Procedence
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  • Repositorios universitarios

  • Repositorio del SIBDI-UCR
  • Biblioteca Digital del CIICLA
  • Repositorio Documental Rafael Obregón Loría (CIHAC)
  • Biblioteca Digital Carlos Melendez (CIHAC)
  • Repositorio de Fotografías
  • Colección de videos de UPA-VAS
  • Sitios recomendados

  • Buscador regional de LA Referencia
  • Buscador del Open ROAR
  • Scientific Electronic Library Online (SciELO)
  • Directory of Open Access Journals (DOAJ)
  • Redalyc
  • Redes sociales

  • facebook.com/repositoriokerwa
  • @Ciencia_UCR
  • Sobre Kérwá
  • Acceso Abierto
  • Cómo depositar
  • Políticas
Contact Us | Send Feedback
Repositorio Institucional de la Universidad de Costa Rica. Algunos derechos reservados. Este repositorio funciona con DSpace.