A muscle spasm — also known as a charley horse, muscle cramp or twitch — is a sudden, involuntary movement in one or more muscles. Common causes include stress, exercise, or dehydration, but nerve ...

Muscle twitches fall into two main types. There’s myoclonus, where a whole muscle or group of muscles twitch or spasm. Then ...

Leg cramps are typically harmless. Although they go away on their own, several at-home remedies may help relieve the symptoms. In this article, we explain what leg cramps are and what can cause them.

Many of us have had this dreaded experience: you’re asleep or lying in bed, minding your own business, when all of a sudden you feel an excruciating, twisting, tightening, pain in one of your calves.

We've all been there before. Running along the basketball court or swimming across the pool, when, all of a sudden, we experience a sharp pain in our foot or leg. Muscle cramps are common, affect ...