Nervous System Diseases: News and Research on Fasciculation

MeSH tree: C10.597.613.250

Muscle twitches: Why they happen and what they mean

You're relaxing on the sofa when suddenly your eyelid starts twitching. Or perhaps it's a muscle in your arm, your leg, or your foot that begins to spasm—sometimes for a few seconds, sometimes for hours or even days. It's ...