Comparison of Perceived Exertion between Bodybuilders and Active Individuals in Different Exercises and Intensities

摘要

The purpose of this present study was to compare the effect of different loading intensities on the psychophysiological response between bodybuilders and active individuals in resistance exercises for upper and lower limbs. Twelve male subjects were previously selected, of which 6 were bodybuilding athletes (B) (age = 31.17 ± 7.88 yrs old; body mass = 90,62 ± 6,41 kg; height = 171.35 ± 2.39 cm; %body fat = 10.12 ± 1.64) and 6 were active individuals (A) (age = 26.5 ± 6.5 yrs old; body mass = 84.03 ± 9.12 kg; height = 177.83 ± 6.39 cm; %body fat = 14.01 ± 5.44), for the performance on one-repetition maximum test (1RM) in the bench press and leg extension exercises. The subjects performed 2 sets of 5 reps for each of the above exercises at pre-defined relative intensities (40% and 80% of 1RM) with a 3-min interval between sets. Data from the perceptual responses were collected at the end of each set using the Borg CR100 Scale. Significant differences of RPE were found between the groups in the bench press exercise at 40% load (B = 30.17 ± 8,52; A = 40.50 ± 3,94) and 80% load (B = 75.33 ± 2.58; A = 84.83 ± 3.06) of 1RM, while in the leg extension exercise, significant differences were found between groups only in the 80% load (B = 77.50 ± 4.04; A = 83.17 ± 3.06) of 1RM. The findings indicate that no significant differences were found when comparing RPE between exercises. However, perceptual responses were different among the proposed intensities, showing that the training level interferes with the psychophysiological response to resistance training.