After the intervention, jumping performance was lower in the placebo group (percent change = - 0.7%; ES = - 0.3) than in the creatine group (percent change = + 2.4%; ES = + 0.1), but it did not reach statistical significance (p = 0.23 for time x group interaction).
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Creatine monohydrate supplementation on lower-limb muscle power in Brazilian elite soccer players.
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