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- Title
Effect of low dose, short-term creatine supplementation on muscle power output in elite youth soccer players.
- Authors
Yáñez-Silva, Aquiles; Buzzachera, Cosme F.; Piçarro, Ivan Da C.; Januario, Renata S. B.; Ferreira, Luis H. B.; McAnulty, Steven R.; Utter, Alan C.; Souza-Junior, Tacito P.
- Abstract
Background: To determine the effects of a low dose, short-term Creatine monohydrate (Cr) supplementation (0. 03 g.kg.d-1 during 14 d) on muscle power output in elite youth soccer players. Methods: Using a two-group matched, double blind, placebo-controlled design, nineteen male soccer players (mean age = 17.0 ± 0.5 years) were randomly assigned to either Cr (N = 9) or placebo (N = 10) group. Before and after supplementation, participants performed a 30s Wingate Anaerobic Test (WAnT) to assess peak power output (PPO), mean power output (MPO), fatigue index (FI), and total work. Results: There were significant increases in both PPO and MPO after the Cr supplementation period (P ≤ 0.05) but not the placebo period. There were also significant increases in total work, but not FI, after the Cr supplementation and placebo periods (P ≤ 0.05). Notably, there were differences in total work between the Cr and placebo groups after (P ≤ 0.05) but not before the 14 d supplementation period. Conclusion: There is substantial evidence to indicate that a low-dose, short-term oral Cr supplementation beneficially affected muscle power output in elite youth soccer players.
- Subjects
GLYCINE; GROUP psychotherapy for youth; MUSCLE strength; SOCCER players; PLACEBOS
- Publication
Journal of the International Society of Sports Nutrition, 2017, Vol 14, p1
- ISSN
1550-2783
- Publication type
Article
- DOI
10.1186/s12970-017-0162-2