AI Article Synopsis
- This study investigated how acute inertial flywheel (FW) and free weight resistance training (TRA) impact jump and sprint performance through post-activation potentiation (PAPE).
- Twenty-eight healthy males were classified into strong and weak groups based on their one-repetition maximum (1RM) back squat performance, and each group performed both types of resistance training.
- Results indicated that both FW and TRA led to improved countermovement jump (CMJ) and sprint performances, with significant advantages in sprint performance noted in stronger individuals who used the FW method compared to the TRA method.
Article Abstract
This study aimed to compare the post-activation potentiation performance enhancement (PAPE) response to the acute inertial flywheel (FW) and free weight resistance training (TRA) on subsequent countermovement jump (CMJ) and sprint performance (10 m sprint). This study used a randomized crossover design including twenty-eight healthy males that were divided into strong (relative one-repetition maximum (1RM) back squat > 2.0 × body mass) and weak (relative 1RM back squat < 2.0 × body mass) groups. All participants performed the following: (a) three reps at 90% of their 1RM back squat (TRA) and (b) three reps on an inertial FW (plus one repetition to initiate flywheel movement) with an intensity that generated a mean propulsive velocity equal to that achieved with 90% of the 1RM back squat. Before and after the conditioning activity, participants performed two CMJs and two 10 m sprints. Within-group analyses showed significantly greater CMJ ( > 0.9, < 0.001) and sprint performance ( > 0.5, < 0.05) in the FW and the TRA group. Between-group analysis showed that sprint changes were significantly greater in the FW-strong group when compared with the TRA (F = 5.11, = 0.036, η = 0.221-large) group. These results suggest that using a squat activation protocol on a FW may lead to an acute positive effect on jump and sprint performance, especially in stronger individuals.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC7764837 | PMC |
| http://dx.doi.org/10.3390/s20247156 | DOI Listing |
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