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The effect of longer-term creatine supplementation on elite swimming performance after an acute creatine loading.
- Source :
-
Journal of Sports Sciences . Nov1999, Vol. 17 Issue 11, p853-859. 7p. 4 Charts, 5 Graphs. - Publication Year :
- 1999
-
Abstract
- We investigated the effect of an acute creatine loading (25 g per day for 4 days) and longer-term creatine supplementation (5 g of creatine or 5 g of placebo per day for 2 months) on the performance of 22 elite swimmers during maximal interval sessions. After the acute creatine loading, the mean of the average interval swim times for all swimmers (n = 22) improved (44.3 +/- 16.5 s before vs 43.7 +/- 16.3 s after supplementation; P < 0.01). Three of the 22 swimmers did not respond positively to supplementation. After 2 months of longer term creatine supplementation or placebo,neither group showed a significant change in swimming performance (38.7 +/-13.5 s before vs 38.7 +/- 14.1 s after for the creatine group; 48.7 +/- 18.0 s before vs 48.7 +/- 18.1 s after for the placebo group). We conclude that, in elite swimmers, 4 days of acute creatine loading improves swimming performance significantly when assessed by maximal interval sessions. However, longer-term supplementation for 2 months (5 g of creatine per day) did not benefit significantly the creatine group compared with the placebo group. [ABSTRACT FROM AUTHOR]
- Subjects :
- *CREATINE
*SWIMMERS
*PHYSIOLOGY
Subjects
Details
- Language :
- English
- ISSN :
- 02640414
- Volume :
- 17
- Issue :
- 11
- Database :
- Academic Search Index
- Journal :
- Journal of Sports Sciences
- Publication Type :
- Academic Journal
- Accession number :
- 3869654
- Full Text :
- https://doi.org/10.1080/026404199365416