Ever woken up in the middle of the night with a sudden, sharp pain radiating through your calf muscle, leaving you tossing ...

A muscle cramp is a strong, painful contraction or tightening of a muscle that comes on suddenly and lasts from a few seconds to several minutes. A muscle cramp is ...

Ever woken up in the middle of the night with a sudden, sharp pain radiating through your calf muscle, leaving you tossing ...

Imagine being woken up in the middle of the night by a sudden, intense pain in your calf—a jolt that drags you out of sleep, ...