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Definition
By Mayo Clinic staffNight leg cramps are sudden, painful, involuntary contractions of muscles in your leg. In most cases, night leg cramps involve your calf muscles, but muscles in your feet or thighs may cramp as well. The risk of having night leg cramps increases with age. Pregnant women also have a higher likelihood of experiencing night leg cramps.
- Kanaan N, et al. Nocturnal leg cramps: Clinically mysterious and painful — but manageable. Geriatrics. 2001;56:34.
- Walters AS. Clinical identification of the simple sleep-related movement disorders. Chest. 2007;131:1260.
- Sheon RP. Nocturnal leg cramps, night starts and nocturnal myoclonus. http://www.uptodate.com/home/index.html. Accessed Dec. 8, 2008.
- Dehydration and fluid maintenance. Columbia, Md.: American Medical Directors Association. http://www.guideline.gov/summary/summary.aspx?ss=15&doc_id=3305&nbr=2531. Accessed Dec. 9, 2008.
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