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Unformatted text preview: the dominant shoulder (internal rotators) and of the dominant elbow (flexors and extensors) concentrically. Bartlett et al. (2005) observed that peak torque of the internal rotators in all concentric conditions showed a reasonable relationship with ball velocity performance. This finding shows that improvement of the internal rotators strength would increase ball velocity during the spike. Cohen et al. (2005) pointed out that external rotators do not contribute to high spike velocity but need to be in balance with the internal rotators. Forthomme et al. (2005) conducted a study finding a significant relationship ball velocity and specific muscle group strength training. To increase ball velocity one would focus on strength training of the dominant should while keeping the internal and external rotators in balance. Forthomme, B et al. (2005). Am J Sports Med, 1514-1518...
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- Winter '11