Long and short pauses during the training of strength do not affect the acute neuromuscular performance
Abstract
The present study aimed to observe the influence of different rest intervals between sets in strength training on acute muscle performance. 7 males, practitioners of strength training were divided into two groups (Short rest -N = 4, age: 25.0 6.1 years, body mass: 84.3 11.6kg, height: 1.8 0.1m; Long rest -N = 3, age: 28.3 7.9 years, body mass: 76.0 11.7kg, height: 1.7 0.1m) participated in the experiment. Strength training consisted of 4 sets of 10 repetitions maximum in full squat, with 1 minute rest between sets for the group of Short rest, and 3 minutes to the Long rest. Performance evaluation was performed by the horizontal countermovement jump (SHCM) test at Pre and Post-training. Plasma lactate concentrations were measured at Pre, Post and 15 minutes post-training. No significant differences (p> 0.05) between groups were observed for the total training load, as well as for the performance of SHCM. Lactate concentrationsshowed a significant increase (p <0.05) for both groups at Post and 15' Post relative to Pre, with no significant differences (p> 0.05) between them. The results lead us to conclude that for the experimental group analyzed (strength-trained individuals in) and the volume of exercises, sets and repetitions employed the 1 or 3 minutes rest intervals between sets did not induce different acute training loads and neuromuscular responses. Regardless the rest interval employed the metabolic profile of the training was not different between groups.
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