Doctors identify these movements as 'fasciculations', because they occur when individual nerve fibers, which control small muscle groups activate independently to produce brief muscle contractions.

Add Yahoo as a preferred source to see more of our stories on Google. They're called hypnagogic jerks. Here's why they might be happening. While the brain controls when and how we move, there are ...

Muscle twitching is often caused by stress or a lack of sleep and is usually not serious. If muscle twitching occurs with muscle weakness or wasting, you should see a doctor. Muscle twitches can be ...

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 ...

DEAR DR. ROACH: I am a 68-year-old woman in good health. For the past several days, I have had muscle twitches all over my body — subtle ones, but nevertheless almost constant. This odd event has me ...

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 ...

Whenever I get severely anxious, there's a small muscle beneath my throat that twitches consistently for at least a few days, until it goes away on its own. Before I went to my doctor about it, though ...

Sometimes your body can do weird things like twitching eyelids or nervous sweating which feel random. Dr Khan explains the medical reason behind these symptoms.