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 ...

Most people have likely had the unpleasant experience of a muscle cramp, also known as a charley horse or muscle spasm. And while most cramps will quickly go away on their own, there are a few helpful ...

Whether you call it a charley horse, a muscle spasm or a cramp, sharp muscle pains can immobilize you for a few seconds or for even 15 minutes or more. There’s nothing worse than getting a leg cramp ...

Leg strengthening exercises after 55, with certified CPT guidance to rebuild muscle daily without beating up your joints.

Although creatine is a naturally-occurring compound in the body, more and more people are using powders to enhance their ...

Seated exercises after 60 can rebuild muscle fast. Get 4 joint-friendly moves from CSCS Jarrod Nobbe, plus sets and form tips ...

Muscle cramps are sudden, involuntary contractions that can cause sharp, intense pain lasting from a few seconds to several minutes. They often strike during exercise, dehydration, or even while ...

While people with medical conditions may require a heart-rate monitor during activity, most of us can use a simpler method to gauge intensity: a scale from 1 to 10 that measures how hard you feel your ...

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