Baseball dynamic warm up pdf

The determinants of maximum throwing arm endpoint velocity were identified. Muscular and non-muscular torques were studied from a dynamic coupling perspective. We hypothesized that passive torques baseball dynamic warm up pdf play the most essential role.

Indeed, passive torques accounted for a large portion of the maximum velocity. The purpose of this study was to identify the detailed mechanism how the maximum throwing arm endpoint velocity is determined by the muscular torques and non-muscular interactive torques from the perspective of the dynamic coupling among the trunk, thorax and throwing and non-throwing arm segments. The pitching movements of ten male collegiate baseball pitchers were measured by a three-dimensional motion capture system. Coriolis force and centrifugal force, and other interactive torque components. In particular, the centrifugal force-induced elbow extension motion, which was the greatest contributor among individual joint contributions, was caused primarily by the angular velocity-dependent forces associated with the humerus, thorax, and trunk rotations.

Our study also found that a compensatory mechanism was achieved by the negative and positive contributions of the muscular torque components. The current IVA is helpful to understand how the rapid throwing arm movement is determined by the dynamic coupling mechanism. Check if you have access through your login credentials or your institution. Negative effects of static stretching on performance are well known. Static stretching may help prevent muscle injuries in running and sprinting activities. Dynamic stretching can nullify the performance deficits caused by static stretching.

This is significant for program design, prescription and sequencing of exercises within a warm-up. To determine the effect of three different static-dynamic stretching protocols on sprint and jump performance in Gaelic footballers. 30 years, completed three stretching protocols. Athletic performance was measured by countermovement jump height and power, and timed 10 m, 20 m, and 40 m sprints. Static stretching reduced sprint speed by 1.

Static stretching also reduced countermovement jump height by 10. When static stretching was followed by dynamic stretching, sprint speed improved by 1. The static – dynamic stretching protocol also improved countermovement jump height by 8. Static stretching reduces sprint speed and jump performance. Static stretching should be followed by dynamic stretching during warm-up to nullify any performance deficits caused by static stretching. You have reached a web page that was created by Professor Frank Pajares. Thank you for your patience.

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