| The Effect of Individualized Post-Activation Potentiation Based on Repetitions in Reserve on Bench Press Throw Performance in Trained Men |
| Paper ID : 1463-SPORTCONGRESS |
| Authors |
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pouya hassani1, Fatemeh Shabkhiz *2, Farahnaz Amirshaghaghi32 1Department of Sport Science, Faculty of Humanities, Tarbiat Modares University, Tehran, Iran 2Department of Exercise Physiology, Sport Sciences and Health Faculty, University of Tehran, Tehran, Iran |
| Abstract |
| Muscle force can be increased by an earlier contraction, especially when we have resistance training before a power performance.This phenomenon is named “post-activation potentiation”(PAP). but also some previous activities may cause fatigue. In addition, for achieving optimal performance enhancement of PAP, the balance between fatigue and potentiation is necessary. Individualized protocols can be so helpful in achieving optimized potentiation. Repetition in reserve (RIR) is autoregulated method for indvidulized the training load. But at least at the best knowledge of authors there is not any research which investigate posiblity of practical use of RIR for individualization of PAP. this study aimed to examine the effects of individualized post-activation potentiation protocols based on repetitions in reserve on bench press throw performance in trained men Ten resistance-trained participants with at least one year of experience completed six experimental sessions. The first session was dedicated to familiarization, followed by a one-repetition maximum (1RM) assessment in the second session and a maximum repetition test in the third. During the final three sessions, participants performed three randomized, counterbalanced conditions: RIR corresponding to 10% velocity loss, RIR corresponding to 20% velocity loss, and a control condition. Bench press throw performance was assessed at 2, 4, 6, 8, 10, and 12 minutes after the conditioning activity. The two-way repeated measures ANOVA (3 groups × 7 times) showed significant differences (p<0.0001) for both peak velocity (PV) and mean velocity (MV). However, post-hoc analysis revealed no significant performance improvements, with all significant changes indicating decreases in PV and MV. This study showed that bench press training based on repetitions in reserve (RIR) equivalent to 10% and 20% velocity loss did not enhance PV or MV in the bench press throw among trained men. These changes likely reflect fatigue, with any potentiation effects disappearing after about eight minutes. |
| Keywords |
| post-activation potentiation, repetition in reserve, velocity-based training, bench press throw |
| Status: Abstract Accepted (Oral Presentation) |
