Evaluates elbow extension-trunk rotation ratio in baseball pitchers, suggesting biomechanical efficiency implications.
= 0.025) torques. Addition of EETR ratio explained 16% greater variance in raw shoulder external rotation torque/ball velocity and 13% greater variance in raw elbow valgus torque/ball velocity than mass alone. This study suggests EETR ratio during the first half of the acceleration phase is associated with biomechanical efficiency.
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Paskewitz et al. (2026) studied this question.
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