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Muscle Cramps Directory

Muscle cramps (sometimes called charley horses) are caused by muscle spasms (contractions). Common sites of muscle cramps include the calf, abdomen, hand, ribs, and thighs. Possible causes include poor circulation, dehydration, fatigue, hot outdoor temperatures, calcium deficiency, and more. Follow the links below to find WebMD's comprehensive coverage about how muscle cramps are caused as well as treatments and prevention tips and much more.

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