The Godfather of Bodybuilding' Charles Glass shared his chest fly variation that offers a better contraction on the upper ...

In a sneak preview for the finale of his Facebook series "Stephen vs. The Game," Golden State Warriors star Stephen Curry gave fans a look at a nasty muscle contraction he suffered after Game 6 of the ...

When labor begins, the uterus must coordinate rhythmic, well-timed contractions to deliver the baby safely. While hormones such as progesterone and oxytocin are key contributors to that process, ...

You're relaxing on the sofa when suddenly your eyelid starts twitching. Or perhaps it's a muscle in your arm, your leg, or ...

MICKLETON, N.J. (WPVI) -- Nearly everyone gets a muscle cramp from time to time. When muscle contractions won't stop and can't be controlled, that's called dystonia. A South Jersey man is now sharing ...