You're relaxing on the sofa when suddenly your eyelid starts twitching. Or perhaps it's a muscle in your arm, your leg, or ...

OAKLAND, CA - MAY 26: Derek Jeter #2 of the New York Yankees hits a single that scored Eric Chavez #12 in the third inning against the Oakland Athletics at O.co Coliseum on May 26, 2012 in Oakland, ...

‌Hemifacial spasm is a disorder of the nerves and muscles that causes nonpainful involuntary twitching on one side of the face. Many people refer to hemifacial spasms as lip muscle spasms. Hemifacial ...

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 ...

Yankees captain Derek Jeter suffered a muscle spasm in his right shoulder during a 7-3 victory over Boston Sunday night at Fenway Park, but he said after the game that the injury is not a problem and ...

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 ...

Your rhomboid muscles connect your shoulder blade (scapula) to your spine. If your rhomboid muscles hurt, you’ll feel it in your back and shoulders. “The rhomboids can become painful because of ...

You may be able to improve mobility in your shoulders with stretches, such as the cross-arm stretch, and exercises with and without weights. These can include rows and arm swings. Whether you have ...