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http://grupodestudoslutas.blogspot.com

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São Paulo, São Paulo, Brazil
Professor da EEFE-USP; Praticante e Pesquisador de Judô; Preparador físico de atletas de modalidades esportivas de combate.

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quarta-feira, 27 de outubro de 2010

Estudo sobre respostas imunes em luta de kickboxing conduzido por docentes da EEFE-USP

EFFECT OF A KICKBOXING MATCH ON SALIVARY CORTISOL AND IMMUNOGLOBULIN A

Author(s): Moreira A1, Arsati F2, Lima-Arsati YBD2, Franchini E1, de Araujo VC3
PERCEPTUAL AND MOTOR SKILLS Volume: 111 Issue: 1 Pages: 158-166 Published: AUG 2010
Abstract: The hypothesis that salivary cortisol would increase and salivary immunoglobulin A (IgA) decrease after a kickboxing match was tested among 20 male athletes. Saliva samples collected before and after the match were analyzed. Salivary cortisol and salivary IgA concentrations (absolute concentration, salivary IgAabs) and the secretion rate of IgA (salivary IgArate) were measured by enzyme-linked immunosorbent assay. A Wilcoxon test for paired samples showed significant increases in salivary cortisol from pre- to postmatch. No significant changes were observed in salivary IgAabs or secretory IgArate and saliva flow rate. This study indicates that a kickboxing match might increase salivary concentration and thereafter it could be considered a significant source of exercise-related stress. On the other hand, the effect of a kickboxing match on mucosal immunity seems not to be relevant.

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