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

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.

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 ...

After a stroke, survivors often experience uncontrollable spasms that can twist their arms and hands into perpetual fists. The only treatments are expensive, frequently painful injections of botulinum ...

NEW YORK (CBSNewYork) - When you hear the word "Botox," you probably think of a cosmetic procedure to reduce wrinkles. You may be surprised to know that Botox has some very serious medical uses, too.

Yes, Botox can work to help with symptoms such as spasms and muscle function tied to multiple sclerosis. There are pros to this treatment, but also possible downsides to using Botox for MS. Multiple ...

High school fall sports teams will begin their official practices soon — including double sessions for football. While a warm August may be a wonderful time of year to swim and kayak, it may not offer ...

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 ...