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 ...

Although muscle spasms are usually short lived and aren’t serious, they can be painful. Stretching can be particularly helpful at relieving a muscle spasm. Other home treatments like massage, using ...

Attention is directed to an article on the occurrence of extensor spasm in patients with a transected spinal cord printed elsewhere in this issue of the Journal. As the authors note, this ...