Özet:

The static active stretching is not recommended before strength exercise because it induces a poor performance. However, it is not clear if this form of stretching can also induce a poor performance in strength endurance (SE) exercises. Therefore, the main objective of this study was to investigate the acute effects of the static active stretching on SE performance in trained men. The samplewas composed by five physically active men (24.6±3.58 years) with previous experience in strength training (≥ six months), who were submitted to one-repetition maximum test (1RM) on bench press (BP) and leg extension machine (LEM), and two experimental sessions: 1) session SE exercise on 50% of 1RM until concentric failure on the BP followed by the same amount in the LEM (10min of resting time) without previous stretching in both exercises; 2) second session following the same pattern of the first session;although, it was added a full range-of-motion 30-second static active stretching before the exercise. The normality was analyzed by the Shapiro-Wilk test, and the Wilcoxon test was applied to compare the sessions. The session with stretching before the exercise resulted in a poor (p<0.05) performance in BP. There was no difference (p=0.063) between the sessions in the LEM. In conclusion, the static active stretching before the SE exercise resulted in a decreased performance during the upper limbs exercise.On the other hand, it did not affect the lower limbs exercise performance in trained men.

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