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 ...

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 ...

Amanda Rush is a social person with what the Wisconsin native calls a "big personality." After college, she spent several years moving around with her then-husband, a scientist. They first moved to ...

Leg twitching is a sudden contraction or release of a muscle. Leg twitching when trying to relax can sometimes be a sign of a health condition, such as restless leg syndrome. When signal misfires ...

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 ...

Building your fast-twitch muscle fibers can help you get stronger and faster. This type of muscle fiber is responsible for the fast, explosive movements used in activities like sprinting, jumping, and ...