Little League elbow

noun
\ -ˈlēg- How to pronounce Little League elbow (audio) \
variants: also Little Leaguer's elbow \ -​ˈlē-​gərz-​ How to pronounce Little Leaguer's elbow (audio) \

Medical Definition of Little League elbow

: inflammation of the medial epicondyle and adjacent tissues of the elbow especially in preteen and teenage baseball players who make too strenuous use of the muscles of the forearm — compare tennis elbow