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Cryotherapy post-training reduces muscle damage markers in jiu-jitsu fighters

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Author(s): WAGNER OLIVEIRA COSTA SANTOS | CIRO JOSÉ BRITO | ELSON ANDRADE PINHO JÚNIOR | CHARLES NARDELLI VALIDO | EDMAR LACERDA MENDES | MARCO ANTONIO PRADO NUNES | EMERSON FRANCHINI

Journal: Journal of Human Sport and Exercise
ISSN 1988-5202

Volume: 7;
Issue: 3;
Start page: 629;
Date: 2012;
Original page

Keywords: COLD WATER IMMERSION | MARTIAL ARTS | CREATINE KINASE | L-LACTATE DEHYDROGENASE | MUSCLE STRENGTH.

ABSTRACT
Although widely used in sports, the efficiency of cryotherapy in reducing muscle damage has been questioned. The present study investigated the acute effects of post-exercise cryotherapy on the expression of creatine phosphokinase (CPK) and lactate dehydrogenase (LDH), perceived pain, and muscle strength of the upper limbs in Brazilian jiu-jitsu competitors. Nine highly trained fighters were subjected to two 90-minute training sessions. After the first session, five random subjects were immersed in a pool with ice (5±1°C) for nineteen minutes, and the remaining participants were allocated to the control group. The treatments were reversed in the second session (cross-over design). Analysis of covariance with repeated measures was used to compare outcomes between the groups, and pre-test measures were used as covariates. Pearson’s correlation was adopted to check the strength of the associations between variables. The results showed lower serum CPK concentrations (P
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