Muscle cramps are sudden, involuntary, painful muscle contractions that can happen in the thigh, feet, hand, arm, abdomen or along the rib cage (1).They commonly occur after exercise, and some people get leg cramps at night (1). Most cramps resolve within a few seconds to minutes. Causes include straining or overusing a muscle, nerve compression, dehydration, low levels of electrolytes, pregnancy or dialysis.
This toolkit discusses key nutrition issues including what is currently known