What is a muscle cramp, and how can I treat it?

What is a muscle cramp, and how can I treat it?

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A muscle cramp is a local spasm in muscle. All of the tissue in that muscle contracts very strongly and it doesn't release. So the treatment for a muscle cramp is to try to release the spasm in the muscle, and the most common way to do that is to put a very gentle stretch on that muscle which has cramped.