Effect of training history on the number of squat repetitions at maximal intended velocity under varying loads

Darjan Spudić; Igor Štirn

doi:10.52165/kinsi.30.3.112-129

Authors

Darjan Spudić University of Ljubljana, Faculty of Sport, Ljubljana, Slovenia
Igor Štirn University of Ljubljana, Faculty of Sport, Ljubljana, Slovenia

DOI:

https://doi.org/10.52165/kinsi.30.3.112-129

Keywords:

Velocity-based training, power, explosive repetitions, velocity-loss threshold, strength

Abstract

The aim of this study was to compare the number of maximal intended velocity (MIV) barbell squat repetitions performed at different loads (40%, 60%, and 80% 1RM) to a 10% velocity loss threshold between physical education students (n = 26) with endurance- (E-group) and resistance-training (R-group) backgrounds. Mixed-model ANOVA results indicated an interaction between loads and training groups (p < 0.05, η² = 0.162) in number of repetitions performed. In the E-group, the number of repetitions decreased as load magnitude increased (10, 6 and 5 at 40%, 60% and 80% 1RM, respectfully). Differences between groups were observed only at the 40% 1RM load, where the E-group performed ~50% more repetitions compared to the R-group (10 vs. 5; p < 0.05). Training history influences the number of MIV squat repetitions at lower loads. Thus, monitoring repetition velocity at the individual level is essential for optimizing strength and power training adaptations.

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