Effects of Rest Interval Configuration Between Sets on Volume Load During Five Sets of Bench Press and Back Squat Exercise y
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Yuta Yamazaki [1] ; Kota Shimamori [1] ; Kazuki Takizawa [2] ; Taichi Yamaguchi [1] ; Keisuke Shibata [1]
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[1] Strength and Conditioning Laboratory, Food and Nutrition Sciences, Graduate School of Dairy Science, Rakuno Gakuen University, Ebetsu, Hokkaido, Japan
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[2] Institute of Physical Development Research, Sapporo, Hokkaido, Japan
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- Localización: Journal of strength and conditioning research: The Official Research Journal of the NSCA, ISSN 1064-8011, Vol. 39, Nº. 11, 2025, págs. 1123-1128
- Idioma: inglés
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Resumen
The present study examined the effect of 3 different rest interval configurations between sets on volume load during 5 sets of bench press (BP) and back squat (SQ) exercises. Thirteen recreationally resistance-trained male subjects (22.3 +/- 3.9 years, 173.8 +/- 7.3 cm, 73.5 +/- 6.1 kg, BP 1 repetition maximum [1RM]: 90.6 +/- 12.6 kg, SQ 1RM: 124.4 +/- 23.0 kg) performed 5 sets of BP and SQ at 85% of 1RM load until momentary failure for the following 3 trials in random order; BP followed by SQ using 4- (4-minute trial) and 8-minute rest intervals between sets (8-minute trial), and BP with SQ performed alternately with a 4-minute rest interval between the 2 exercises to provide a 8-minute rest interval between each exercise (Alternating trial). The volume load in BP for the 8-minute trial (2,164.0 +/- 519.1 kg) was significantly (p < 0.01) greater than that of the 4-minute trial (1,668.3 +/- 365.9 kg), and Alternating trial (1911.3 +/- 453.9 kg) did not differ from the other 2 trials. The volume load in SQ for the 8-minute trial (2,899.2 +/- 471.9 kg) and Alternating trial (2,777.7 +/- 814.0 kg) were significantly (p < 0.01, p < 0.05, respectively) greater than that of the 4-minute trial (2,336.7 +/- 618.5 kg). These results suggest that prolonging rest interval between sets contributes to increase volume load in BP and SQ, and alternately performed the 2 exercises are beneficial for both improving volume load and time efficiency.
