A pulled (or strained) muscle could take a few days to feel better. Severe injury could take weeks to months. Find out what ...

This phenomenon, known as DOMS (Delayed Onset Muscle Soreness), is a common effect of intense exercise, but it's not always ...

Julia Iafrate tore her ACL at 18, which led her to become a doctor. Hormones can make women more prone to ACL injury.

The feeling can be a dull ache or a sharp pain. Exercise may increase the risk of muscle strain or tear. This is particlularly likely in people with weak back and stomach muscles. Exercises such ...