Multi-Joint and Single-Joint Exercise Performance and Perceived Exertion with Several Different Recoveries

摘要

Senna G, Scudese E, Carneiro F, Torres J, Queiroz C, Dantas E. Multi-Joint and Single-Joint Exercise Performance and Perceived Exertion with Several Different Recoveries. JEPonline 2015;18(3):91-100. The purpose of this study was to compare repetition performance and rate of perceived exertion (RPE) with different rest periods for multi-joint and single-joint exercises. Fourteen trained men (20.93 ± 2.40 yrs; 75.23 ± 9.37 kg; 176.64 ± 7.53 cm; 24.03 ± 1.62 kg·m-2 ) completed 8 sessions with 3 sets of 10 RM loads. Barbell bench press (BP) or machine chest fly (MCF) were alternated (one each day) with different rest periods for each day (1-min, 2-min, 3-min, or 5-min). The results indicated that the shorter rest length presented greater reductions in repetition number for the BP (1-min < 2-min < 3-min, P≤0.0001), but no differences were observed between the 3-min and the 5-min rest conditions. For MCF, significant differences were evidenced for rest periods of 1-min, 2-min, and 3-min compared to 5 -(P≤0.0001). No significant differences were found between 1-min, 2-min, and 3- min. Both exercises presented progressive declines in repetition performance over consecutive sets. Increases in RPE were evident over the course of the consecutive sets for both exercises, with significant exertion values at the lower smaller rest conditions. In conclusion, the findings indicate that both exercises presented similar patterns in repetition performance and RPE.