Many things can cause your thumb to twitch, from lack of sleep to autoimmune conditions. If it continues for more than a few days or occurs with other symptoms, you may need medical care. Thumb ...

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 ...

Some people experience muscle twitching all over the body everyday. Muscle twitching is more common than you may think and it's usually not serious. Common causes range from too much caffeine and too ...

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Ever sit in a chair and feel twitching in your eye? Or maybe your calf muscle. You may suffer from benign fasciculation syndrome. Dr. Jerry Fleishman of Medstar Franklin Square Medical Center talks ...

After a grueling CrossFit workout on a hot Summer morning that involved kettlebell swings, goblet squats, and about 100 walking lunges, my lower body was toast. But what was weird was that my left ...

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 ...

Sitting at your desk, a muscle in your leg palpitates quickly. Or a muscle under your eye flutters. These sudden twitches, known as fasciculation, occur commonly and seem random. But are these spasms ...

Hypnic jerks, also known as hypnagogic jerks or “sleep starts,” are involuntary muscle contractions that some people experience as they fall asleep. They may feel like muscle twitches. Hypnic jerks ...