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 ...

New York, Ophthalmic Surgeon to the Demilt Dispensary; late Assistant of Professor von Graefe, in Berlin.

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 ...