Add Yahoo as a preferred source to see more of our stories on Google. Many of us have felt a muscle in some part of our body suddenly and involuntarily tighten, causing a twitch or even severe cramp.

Add Yahoo as a preferred source to see more of our stories on Google. A muscle spasm, also known as a cramp, twitch or charley horse, is the sudden and involuntary forced contraction of a muscle.

Muscle spasms in hands are common for people with rheumatoid arthritis. Get tips for prevention and easing hand pain.

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 ...

Muscle cramps are a common condition experienced during endurance exercise and many sports. Known as exercise-associated muscle cramps, these sustained and painful muscle contractions tend to occur ...

You may get muscle cramps from dehydration, mineral loss, or overuse during exercise. Warm up and stretch your muscles before exercise, and stay hydrated to prevent muscle cramps. Muscle cramps ...

Have you ever found yourself clutching your calf and wondering what causes leg cramps? Ouch, right? Like the check engine light or a same-day 5 p.m. calendar invite from your boss, it always seems to ...

Although the occasional muscle spasm is relatively normal, sometimes they can be a cause for concern. How do you know when you should seek medical attention? We spoke with several doctors who explain ...

If you've ever been struck by muscle cramps mid workout, you know how excruciating they can be. But what causes cramps, exactly, and is there anything you can do to prevent them? You also need to ...

For athletes across all sports, few experiences are as agonizing as being forced to leave competition with a sudden muscle cramp. These painful, uncontrolled spasms – formally known as ...

We've all been there before. Running along the basketball court or swimming across the pool, when, all of a sudden, we experience a sharp pain in our foot or leg. Muscle cramps are common, affect ...