The muscle twitch creates short, involuntary muscle contractions, which affect tiny muscle areas that lie beneath the skin.

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 ...

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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 ...

Muscle twitches, often experienced as sudden, involuntary movements in the muscles, are common yet can raise concerns for some individuals. These small, rapid contractions, medically known as ...

The patient's symptomatology started 22 years ago with tightness and cramps in his lower extremities. Subsequently, he developed fasciculations and weakness in proximal as well as distal muscles in ...

Though eyelid twitching (technically called myokymia) can feel disconcerting, the good news is that it’s typically fleeting and harmless. Nevertheless, when you’re in the throes of the mini muscle ...

Dear Doctor: I am a 79-year-old woman, and I have in the past had night cramps that went away when I stamped my foot. When it got worse, including a burning sensation, a muscle relaxant helped. It’s ...

Does your eye twitch frequently, or do you experience frequent headaches? It may be your body’s way of telling you that ...

You’re sitting at your computer when it starts — that annoying flutter in your eyelid that feels like a tiny butterfly trapped under your skin. Most of the time, eye twitching is harmless and goes ...