Add Yahoo as a preferred source to see more of our stories on Google. A muscle spasm, also known as a cramp, twitch or charley horse, is the sudden and involuntary forced contraction of a muscle.

Hemifacial spasm (HFS) is a rare movement disorder that causes involuntary muscle contractions on one side of the face. It typically starts with painless but annoying twitching around one eye. Over ...

Add Yahoo as a preferred source to see more of our stories on Google. Though many people experience muscle twitching, it's often incorrectly identified as a muscle spasm. While both are involuntary ...

Low levels of magnesium, potassium, or Vitamin B12 are linked to muscle spasms, which may play a role in the occurrence of ...

Botox is known for fixing wrinkles, but for a local woman, it ensures her eyesight. Annie Giacalone, of Wilmington, has essential blepharospasm, a long name for the movement disorder that causes ...