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 ...

You're relaxing on the sofa when suddenly your eyelid starts twitching. Or perhaps it's a muscle in your arm, your leg, or your foot that begins to spasm—sometimes for a few seconds, sometimes for ...

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.

People with an ALS diagnosis will experience muscle weakness as their nerve cells deteriorate over time. The cause is still ...

Heat cramps are painful muscle spasms that occur due to exercise in hot and humid conditions. While heat cramps aren't dangerous, they can be a sign of heat exhaustion or heat stroke. To avoid heat ...

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 ...

It’s common to feel shaky after a vigorous workout. This can happen for several reasons, but it’s usually not a cause for concern. Still, it’s important to know the difference between what’s normal ...

Background A 28-year-old woman presented to hospital after an episode of severe lower back spasms that occurred during a stressful family gathering. She had a history of progressive difficulty bending ...

Kindly let me know what is known as Lou Gehrig’s disease?Ralph (by SMS)Amyotrophic lateral sclerosis (ALS), formerly known as Lou Gehrig’s disease, is a neurological disorder that affects motor ...