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Revista Brasileira de Medicina do Esporte

versión impresa ISSN 1517-8692


CRUZ, Iara S. et al. Acute effects of concurrent training on serum leptin and cortisol in overweight young adults . Rev Bras Med Esporte [online]. 2012, vol.18, n.2, pp.81-86. ISSN 1517-8692.

OBJECTIVE: This study aimed to analyze the immediate effects of concurrent training on leptin and cortisol levels in overweight young adults. METHODS: This study used a quasi-experimental methodology. We included 20 volunteers of both sexes, randomly divided into a training competitor group (TCG n = 10) and a control group (C n = 10). Blood collection was performed in individuals at rest after fasting for 12 hours. The leptin and cortisol levels were analyzed by radioimmunoassay and chimiluminescence immunoassay before and immediately after training. Two-way ANOVA was used for statistical analysis with a significance level of p <0.05. RESULTS: In the analysis of leptin levels, there was significant difference between groups (TCG x C) in the pre intervention (p = 0.02) and post intervention (p = 0.01). In the intra groups, no significant changes were found, and in the analysis of cortisol levels between groups (TGC x C), a significant difference in the pre intervention (p = 0.01) and post intervention (p = 0.01) was observed; however, in the intra groups there were no significant changes. CONCLUSION: A single concurrent training session is not sufficient to promote acute changes in the leptin and cortisol levels of the volunteer overweight young adults in this study.

Palabras clave : obesity; cycling; resistance training.

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