Changes in Body Composition, EMG, Kinematic and Kinetic Performance Following Velocity-Based Training vs. 1RM-Percentage Based Training
Fernandez Ortega, J.; Prieto Mondragon, L.; Borges Sarmento, H.
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The aim of this study was to investigate the effects of velocity-based training (VBT) and percentage-based training of one repetition maximum (PBT), on changes in muscle mass (MM), mineral bone density (BMD), and bone mineral content (BMC), maximal squat strength (FSQ), countermovement jump (CMJ), pedaling power (PP), sprint (RV30) and neuromuscular response (EMG). Eighty-five men were randomized to VBT and PBT, and performed full squat (SQ) training three times per week for 12 weeks. Results: RT produced significant increases in FSQ, CMJ, RV30, PP, MM, CMO in both groups, and in BMD only in the VBT group. No significant changes in EMG activity were observed in either group. Significant differences were observed between VBT and PBT for BMD, PP, CMJ, and RV30, with statistical significance set at p<0.05. In conclusion, the VBT group showed better results than the PBT group in the different variables with a lower training load.
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