Infectious agents can cause muscle twitching and spasms, too. The most commonly known is probably tetanus, which causes a phenomenon called lockjaw, where the neck and jaw muscles contract to the ...

Scientists have linked certain genes to restless legs syndrome, suggesting the twitching condition is biologically based and not an imaginary disorder. Research in the New England Journal of Medicine, ...

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 ...

It only takes one ill-timed leg twitch to jerk you right from the precipice of a deep slumber. Sometimes it's only a little ...

Muscle twitches fall into two main types. There’s myoclonus, where a whole muscle or group of muscles twitch or spasm. Then ...