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.

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 ...

Muscle cramps are usually blamed on dehydration or low potassium. It’s simple. It’s familiar. And it’s incomplete. The real ...

If you’ve ever jolted awake with a painful cramp in your calf, you know that nighttime leg cramps (a.k.a. Charley horses) can disrupt your sleep and cause serious discomfort. Health experts say that ...

A back spasm involves a sudden, involuntary muscle contraction that can be set off by something as routine as lifting a bag or sitting for too long. Muscle fatigue, dehydration, and nerve irritation ...

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 ...

What Causes Muscle Cramps? Muscle cramps are a common issue that many people experience, whether sitting, lying down, or ...

Oluseun Olufade, MD, is an Orthopedic Surgeon and Assistant Professor of Orthopedics at the Emory School of Medicine. Rest and changes in activity can help treat back spasms that cause lower back pain ...

BOSTON — Dr. Mallika Marshall is answering your medical questions. Norma on Facebook is wondering if her medication is causing muscle cramps, asking "I get really bad muscle cramps at night. I take ...

DEAR DR. ROACH: I am a 63-year-old man taking 20 mg of rosuvastatin a day, and my blood showed that my total cholesterol level was 136 mg/dL; my HDL was 47 mg/dL; and my LDL was 70 mg/dL. I was then ...

Dehydration may be one cause of muscle cramps, and some evidence suggests that electrolyte imbalances also contribute to them. Muscle cramps are painful, involuntary contractions of the muscles that ...

Pain is a common symptom of amyotrophic lateral sclerosis (ALS), often due to muscle cramps. ALS can also cause pain indirectly through some of its complications. Medications and other therapies are ...