The effect of continuous low dose creatine supplementation on force, power, and total work
Burke DG, Silver S, Holt LE, Smith Palmer T, Culligan CJ, Chilibeck PD
International journal of sport nutrition and exercise metabolism · 28 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
- 2000-09-01 · Int J Sport Nutr Exerc Metab · vol. 10 · número 3 · págs. 235–244
- Editorial
- Human Kinetics
- Citado
- 58 citas · más que el 81% de estudios similares · 1.7× el promedio de su campo
- Referencias
- 0 trabajos
- Acceso
- De pago
- Áreas de investigación
- Muscle metabolism and nutrition · Sports Performance and Training · Biochemical effects in animals
- Palabras clave
- creatine supplementation, resistance training, bench press, isokinetic dynamometry, peak power, university athletes
- MeSH
- humans, creatine, exercise test, exercise, analysis of variance, double-blind method, muscle fatigue, physical endurance, dietary supplements, adult, male, physical exertion
6 autores
- Darren G. Burke🇨🇦St. Francis Xavier University
- Shawn Silver
- Laurence E. Holt
- Truis Smith‐Palmer
- CHRISTOPHER J. CULLIGAN
- Philip David Chilibeck
Resumen
El texto original del estudio, en el idioma en que se publicó.
Dietary supplementation (SUP) has become a significant part of athletic training. Studies indicate that creatine (Cr) can enhance short-duration, high-intensity activities. This study examined the effect of 21 days of low dose Cr SUP ( approximately 7.7 g/day) and resistance training on force output, power output, duration of mean peak power output, and total work performed until fatigue. A double-blind protocol was used, where an individual, who was not part of any other aspect of the study, randomly assigned subjects to creatine and placebo groups. Forty-one male university athletes were randomly assigned to either Cr (n = 20) or placebo (n = 21) SUP. On the first and last day of the study, subjects were required to perform concentric bench press movements until exhaustion on an isokinetic dynamometer. The dynamometer was hard-wired to a personal computer, which provided force, velocity, and duration measures. Force and power output until fatigue, were used to determine total work, force-time, and power-time relationships. ANOVA results revealed that the Cr subjects performed more total work until fatigue, experienced significantly greater improvements in peak force and peak power, and maintained elevated mean peak power for a longer period of time. These results indicate that Cr SUP can significantly improve factors associated with short-duration, high-intensity activity.
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