What's a charley horse?A charley horse a muscle cramp, or sudden, uncontrolled contraction of a muscle. This type of pain is generally felt in the legs, sometimes after heavy exercise, and usually lasts just a few minutes. The expression probably came from the word “charley,” which is used to describe a horse that is lame. |
This is a web preview of the "Handy Answer Book" app. Many features only work on your mobile device. If you like what you see, we hope you will consider buying. Get the App