The influence of recovery duration on high-intensity exercise performance after oral creatine supplementation
Cooke WH, Barnes WS
Canadian journal of applied physiology = Revue canadienne de physiologie appliquee · 21 citas
Etiquetas de revisión
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Cómo se estudió
- Diseño
- Ensayo controlado aleatorizado (indexado por PubMed)
- Estudiado en
- Personas
- Resultado principal
- Marcadores de salud y funcionamiento
Quién lo pagó
- Financiación
- Financiación no declarada
Publicación
- Publicado
- 1997-10-01 · Can J Appl Physiol · vol. 22 · número 5 · págs. 454–467
- Editorial
- NRC Research Press
- Citado
- 46 citas · más que el 83% de estudios similares · 1.8× el promedio de su campo
- Referencias
- 7 trabajos
- Acceso
- De pago
- Áreas de investigación
- Muscle metabolism and nutrition · Sports Performance and Training · Biochemical effects in animals
- Palabras clave
- creatine supplementation, recovery interval, high-intensity exercise, peak power, time to exhaustion, repeated sprint performance
- MeSH
- muscle, skeletal, humans, phosphocreatine, cardiotonic agents, exercise test, exercise, time factors, dietary supplements, adult, male
2 autores
- William Harold Cooke🇺🇸United States Department of Veterans Affairs; Veterans Health Administration; Hunter Holmes McGuire VA Medical Center
- William Stephen Barnes🇺🇸Texas A&M University
Resumen
El texto original del estudio, en el idioma en que se publicó.
The purpose of this study was to determine the effects of creatine supplementation on the ability to reproduce and maintain a high percentage of peak power output during the second of two bouts of high-intensity cycle sprinting following four different recovery intervals. Eighty healthy, active male subjects were randomly assigned to one of two groups (creatine or placebo) and one of four recovery intervals (30, 60, 90, or 120 s). Two maximal cycle ergometer sprints, separated by the assigned recovery interval were performed before and after a 5-day supplementation protocol in which 20 g/day of creatine (plus 4 g/day glucose) or 24 g/day glucose placebo were ingested by subjects from creatine and placebo groups, respectively. Maximal peak power output (PP) and the absolute time to fatigue (TTF) were compared pre- versus postsupplementation. No significant group interactions were noted in this study. Specifically, creatine supplementation had no effect on subjects' ability to reproduce or maintain a high percentage of PP during the second bout of exercise.
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