Little Leaguer's elbow

[lĭtl]
n.
  1. Epicondylitis of the elbow at the origin of the flexor muscles of the forearm due to throwing; usually seen in children or adolescents.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.