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Little Leaguer's Elbow (Medial Apophysitis)

Topic Overview

Little Leaguer's elbow occurs in young baseball players who throw the ball too hard or too often (for example, more than 80 times twice a week). The growing part of the elbow, called the growth centre (physis), widens and enlarges a part of the elbow bone called the medial epicondyle of the humerus. Muscles of the forearm that are used to throw the ball constantly pull on the medial epicondyle during throwing and pull the soft growth centre apart. In severe cases, a young player may tear through the soft growth centre and detach the medial epicondyle from the upper arm bone.

Symptoms include swelling and pain on the inside (medial) part of the elbow. Arm motion may be decreased because of pain.

Treatment for mild to moderate cases of Little Leaguer's elbow includes rest, coaching on the proper way to throw the ball, and physiotherapy. Severe cases require surgical repair. Recovery may take 6 weeks to 6 months, depending on the severity of the injury.

Credits

Current as of: June 26, 2019

Author: Healthwise Staff
Medical Review: William H. Blahd, Jr., MD, FACEP - Emergency Medicine
Adam Husney, MD - Family Medicine
Kathleen Romito, MD - Family Medicine
H. Michael O'Connor, MD, MMEd, FRCPC - Emergency Medicine

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