Respostas eletromiográficas frente a diferentes métodos de treinamento de força

TL;DRAbstract

The purpose of this study was to compare the electromyographic responses of the vastus lateralis (VL), rectus femoralis (RF) and biceps femoralis (BF) during squatting exercise at three different protocols of weight training: 1) protocol of increasing loads (12-10-8-6 repetitions); 2) protocol of decreasing loads (6-8-10-12 repetitions); 3) protocol of constant loads (4x9 repetitions).Seven healthy male subjects were included into the study (age range: 18-35 years).To evaluate the electromyographic signal, active bipolar electrodes were placed in the muscles VL, RF and LF on the dominant side of the volunteer, as suggested by the standardization of SENIAN.For statistical analyses, One-way ANOVA was used to compare the root mean square (RMS) and median frequency (MF) in four series for each muscle examined.Two-way ANOVA was used to compare the RMS and MF of VL, RF and LF muscles in the four series of three protocols.The post-hoc Bonferroni test was used to locate the differences when in

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