Blood lactate and rate of perceived exertion in Brazilian jiu-jitsu and Submission combats
Journal Title: Journal of Combat Sports and Martial Arts - Year 2014, Vol 5, Issue 1
Abstract
[b]Introduction.[/b] It is common for athletes Brazilian jiu-jitsu compete and be successful in both competitions, with and without the use of gi. However, it is unclear whether there are physiological differences between the two styles. Thus, this study aims to determine whether there differences in blood lactate concentrations [Lac] and rate of perceived exertion (RPE) between Brazilian jiu-jitsu and Submission combats. [b]Material and methods.[/b] Twenty athletes were divided in two groups that performed Brazilian jiu-jitsu or Submission combats. The [Lac] and RPE were obtained before, after the combats and 10 minutes after the combats. [b]Results.[/b] There were variation in the [Lac] according to the moment for Brazilian jiu-jitsu (After vs Before, p<0,001; 10’ After vs Before, p<0,001; 10’ After vs After, p<0,05) and Submission (After vs Before, p<0,001; 10’ After vs Before, p<0,001) combats, but not between styles. The RPE responses also varied according to the moment in Brazilian jiu-jitsu (After vs Before, p<0,001) and Submission (After vs Before, p<0,001) combats, but not between styles. [b]Conclusions.[/b] It is concluded that combats activate moderately the glycolytic pathway and the athletes rated the combats as being “hard”. However, there were no differences between the values of [Lac] and RPE between Brazilian jiu-jitsu and Submission combats.
Authors and Affiliations
Gustavo Joel, Leandro Paiva, Leonardo Andreato
Keywords
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