What Causes Cramps?

Health and Medicine





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Ouch – calf cramp. Kryvenok Anastasiia/Shutterstock

Cramp – we've all experienced a random, crippling muscle spasm at some point. Maybe in the middle of the night for absolutely no damn reason at all, or when you're innocently strolling down the street.

According to the American College of Sports Medicine, muscular cramps during exercise are attributed to dehydration and low sodium levels in the blood, or overworked muscle fibers.