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

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 ...

I am seeing a husband, 46 years old, and wife, 37 years old, as patients. The husband developed fasciculations in his upper and lower extremities 1 year ago. Because of associated neck and back pain, ...

Sometimes, it seems like muscles have a mind of their own. Whether it’s a twitchy eyelid, a sudden spasm in your thigh or a muscle that seems to contract without cause, involuntary muscle movements ...

Medically reviewed by Jennifer Steinhoff, MD Key Takeaways Muscle twitching is often caused by stress or a lack of sleep and ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Involuntary muscle twitches are exceedingly common and yet not very ...

Whenever I run, whether five miles or 20 miles, my calf muscles are twitching/spazzing when I'm finished. They do not seize and cramp, but it's like they're firing all over, uncontrollably. This ...

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 ...

Do your muscles still spasm after a run? This is most likely muscle fasciculation, where the voluntary muscle units are randomly firing and not under the usual central nervous system neurologic ...

Spontaneous muscle hyperactivity gives rise to positive muscle phenomena, including spasms, tetany, fasciculations, myokymia, cramps, myotonia, rippling, percussion-induced rapid contractions (PIRCs) ...

Muscle ultrasound may be a useful tool in diagnosing later-onset spinal muscular atrophy (SMA), according to a new study that compared the technique to physical examinations and electromyography (EMG) ...