Leg cramps—often referred to as a charley horse—are painful, involuntary contractions of the muscles in your thigh or calf.

Nocturnal leg cramps (NLC) are common, painful, but usually not serious occurrences. They are the involuntary contractions of ...

Also known as charley horses – these cramps typically occur in your calf muscles, thighs, or feet. They not only affect your sleep, exercise, and general quality of life – but can become worse over ...

Nocturnal leg cramps (NLC) are common, painful, but usually not serious occurrences. They are the involuntary contractions of leg muscles that happen during sleep. It feels like a spasm and they ...