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    Effects of different pre-exercise strategies on jumping performance in female volleyball players
    (Edizioni Minerva Medica, 2024-12) KESKİN, Kadir; AKÇAY, Neslihan; ÖZMEN, Tarık; CONTARLI, Nurcan; YILDIZ, Kerem C.; SOFUOĞLU, Cem; KAMİŞ, Okan; ROLNICK, Nicholas; de QUEIROS, Victor S.; MONTOYE, Alexander
    BACKGROUND: The present study aimed to compare different pre-exercise strategies on jumping performance in female volleyball players. METHODS: Fifteen healthy female volleyball players (age=18±0.6 years; training experience = 7.3±1.4 years; height = 164.8±5.4 cm; body mass = 57.2±8.1 kg) volunteered to participate in the study. Three different pre-exercise conditions (5 repetition maximum knee extension, electromyostimulation [EMS] and ischemic preconditioning [IPC]) were applied to the subjects and compared to a control condition performing a standardized warmup. Subjects performed the squat jump and 15 sec repeated countermovement jumps following a rest period. Measures associated with jumping performance were collected and compared between conditions. Rating of perceived exertion was also collected after each performance test. RESULTS: No pre-exercise condition outperformed a standardized warm-up on inducing improvements in jumping performance and in fact, EMS and IPC conditions resulted in performance decrements compared to control (P<0.05). CONCLUSIONS: We conclude that a standardized warm-up is enough to induce improvements in jumping performance in female volleyball players. Future research should examine alternative strategies alongside standardized warm-up to determine how best to prepare for jumping and related sport-specific tasks in female volleyball players.