Risk Factors for Little League Shoulder

Limited range of motion may predict future injury

Little League elbow, or medial apophysitis, is a common overuse injury that affects young pitchers. Less well known, but increasing in frequency, is another overuse injury—proximal humeral epiphysiolysis, or Little League shoulder (LLS). During the 2014 annual meeting of the American Orthopaedic Society for Sports Medicine (AOSSM), Benton E. Heyworth, MD, from the division of sports medicine at Children’s Hospital Boston, presented research on the demographics, symptoms, diagnosis, and treatment of LLS, with an emphasis on identifying underlying risk factors for development and recurrence of LLS.

LLS is an overuse injury to the growth area of the humerus at the shoulder joint. It may result from too much throwing, repeated overhead throwing using improper mechanics, or lack of muscle strength and endurance.

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