The aim of this study was to analyse the serum concentrations of testosterone (T), cortisol (C), lactate (LAC), creatine kinase (CK) and glucose (GLU) on mixed martial arts (MMA) athletes, before and after a fight. We divided 20 MMA athletes into two groups of 10 fighters each, according to the result of a fight, and were then evaluated four times: 24 hours before (-24h), one hour before (-1h), immediately after (0h) and 24 hours after the fight (+24h). It was observed: a significant decrease in T and T/C between moment -24h and 0h and a subsequent increase between the moment 0h and +24h and a reverse behaviour in variables C, LAC and GLU (p<0.0001); a decrease in CK between moment -24h and -1h and an increase between moment -1h and +24h (p<0.0001); and differences between winners and losers T levels, in moments -24h, -1h, 0h and +24h (p = 0.009 e p < 0.001, p = 0.005 e p = 0,001, T and C, respectively), in T/C in the moments -24h and 0h (p=0.006 and p=0.001, respectively) and in GLU levels (p<0.0001) in the moment 0h. Therefore, it seems that an MMA fight leads to metabolic stress and muscle damage, regardless of the result of the fight. The coaches have now more biochemical and hormonal references and indicators in response to an MMA fight.
Os desvios posturais podem ser causados por diversos fatores, especialmente por meio de desordens musculo-esqueléticas como estiramentos e alongamentos que podem causar compensações musculares, gerando um desvio postural. Objetivo: conhecer os benefícios do alongamento e do fortalecimento muscular na redução dos desvios posturais. Metodologia: este estudo foi realizado através de uma revisão bibliográfica de abordagem qualitativa, onde foram pesquisados artigos e periódicos nos principais bancos de dados como Scielo, PubMed, Biblioteca Digital da USP e Google Acadêmico. Considerações finais: através dos estudos analisados, foi possível observar que os alongamentos e o fortalecimento muscular, mesmo aplicados de forma isolada, se mostraram eficazes no realinhamento postural, porém pode-se otimizar a correção de desvios se forem aplicados conjuntamente dentro de um programa de treinamento.
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