Though many people experience muscle twitching, it's often incorrectly identified as a muscle spasm. While both are involuntary contractions of a muscle, muscle spasms and muscle twitching aren't ...

While sitting still at your desk or watching TV, you sense a feeling of muscular discomfort in your arm or leg. It’s not quite a charley horse, but you can see your skin pulsating involuntarily, as if ...

Have you ever experienced an annoying, persistent twitch in your eyelid? Eye twitching — also known as myokymia — is a common phenomenon that most people encounter at some point in their lives. While ...

Functional tics are dramatic, involuntary movements or sounds usually made in response to a trigger. While similar to other tic disorders, they have different causes and treatment options. Functional ...

Tic disorders are conditions featuring sudden, non-rhythmic movements or vocalizations. A formal tic disorder diagnosis is determined by tic frequency, duration, and type. Tics are non-rhythmic ...

There’s nothing quite as distracting as a sudden eye flutter while you’re trying to work, it’s the universal sign that you’re ...