Concurrence Of Fatigue And Potentiation After A Sustained Maximal Voluntary Contraction
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Disciplina/sActividad Física y Deporte
Maximal twitch interpolan technique
The aim of the present study was to analyze the concurrence and interaction between different factors affecting the performance, such as central fatigue, peripheral fatigue and post-activation potentiation (PAP) after the performance of a maximal voluntary contraction (MVC) sustained until the loss of the 50% of the initial torque value. In order to assess the effects of central fatigue, peripheral fatigue and the PAP on the performance of the MVC, the twitch interpolation technique was used. Our findings revealed a loss of the force capability during at least 3'30'' and that the recorded fatigue had central and peripheral contributions. Moreover, it has been observed an inhibition of the PAP after the completion of the sustained MVC during a brief interval (between 30´´ and 1´30´´). Furthermore, it has been observed the coexistence of the different studied phenomena, however, they showed different time course of the recovery.