Charley horse

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Medical Definition of Charley horse

Charley horse: Slang for a cramp in a muscle in the leg, usually caused by a strain or injury. A charley horse can last anywhere from a few seconds to over a quarter of an hour. It is not uncommon for one to recur before it finally resolves.


Quick GuidePictures of the 7 Riskiest Workout Moves, and How to Improve Them

Pictures of the 7 Riskiest Workout Moves, and How to Improve Them

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Reviewed on 6/9/2016

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