Effects of blood flow restriction combined with post-activation potentiation stimuli on jump performance in recreationally active males.

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Whole-body vibration and maximum voluntary contractions combined with blood flow restriction to augment post-activation potentiation have yet to be examined. Therefore, the purpose of this investigation was to examine the augmented effects of post-activation potentiation when whole-body vibration and maximum voluntary contraction are combined with blood-flow restriction. Twenty men (21.8 ± 2.6 years, 180.5 ± 6.2 cm and 84.5 ± 12.1 kg) completed the study. Participants completed three testing sessions in a randomized design that included one of the following: 1) control (CON), 2) whole-body vibration (WBV) and whole-body vibration combined with blood flow restriction (WBV+BFR), or 3) maximum voluntary contraction (MVC) and maximum voluntary contraction combined with blood-flow restriction (MVC+BFR). Jump height and power were recorded for three trials, PRE and POST Jump height (cm) means ± SD for each were: CON 58.9±8.6 and 57.9±8.6, WBV 58.2±8.1 and 59.9±8.1, WBV+BFR 58.7±7.6 and 60.2±8.1, MVC 59.7±7.4 and 60.2±8.6, and MVC+BFR 57.7±7.9 and 59.4±8.1. PRE and POST Jump power (W) means ± SD for each were: CON 1224.3±221.5and 1234.3±189.2, WBV 1251.1±230.4and 1266.1±215.7, WBV+BFR 1265.8±207.9and 1259±223.3, MVC 1264.7±211.9and 1263.5±236.5, and MVC+BFR 1252.3±222.0 and 1294.6±256.6. Significant differences were revealed in jump height between the five interventions (p < 0.01), WBV (p < 0.01), WBV+BFR (p < 0.01) and MVC+BFR (p < 0.01) revealed significant differences in time but no differences in jump power. In conclusion, the results of this study indicate that WBV, WBV+BFR and MVC+BFR significantly improve jump height and time in air but not jump power.

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