What do you get when you compare the shoulders of elite young volleyball players and swimmers? A fascinating musculoskeletal smackdown—unilateral vs. bilateral overhead mechanics—with your glenohumeral joint caught in the middle.
A new open-access study published July 14, 2025, in BMC Musculoskeletal Disorders dives into this question with the clinical precision of a handheld dynamometer and the curiosity of a fellowship applicant on day one. Titled “Scapulohumeral Rhythm, Posterior Capsule Stiffness, Shoulder Muscle Strength and Flexibility in Young Unilateral and Bilateral Overhead Athletes” the study explores how sport-specific demands literally reshape the shoulder complex.
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