If you've ever felt a sudden, intense tightening in your muscles, you've experienced a muscle spasm, also referred to as a charley horse. These spasms, often felt in areas like the neck ...

Hemifacial spasm (HFS) is a neurological disorder manifested by twitching on one side of the face due to involuntary contractions of the eyelid and other facial muscles. It usually begins gradually ...

CHICAGO — Texas Rangers third baseman Josh Jung was activated from the 10-day injured list on Tuesday after being sidelined because of neck spasms ... season before his right wrist was fractured ...