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 ...

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 ...

Courtney Southwick is a writer focusing on health, nutrition, and disease. She has been blogging for the past two years at CourtneySouthwick.com. She writes blogs and articles for online publications ...

There is a link between coronary artery spasms and anxiety. Psychological factors, such as anxiety and depression, may cause physical changes to the arteries that supply blood to the heart. Around 40% ...

Adjei, MD Key Takeaways Causes of back spasms range from poor posture or minor muscle strains to underlying health conditions ...