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 sudden, involuntary, painful contractions of one or more muscles in the body. Also called Charley horses or muscle spasms, they are typically short in duration and can last anywhere ...

Despite good hydration and nutrition, many athletes across sports still suffer from unexpected cramps. The courts and fields ...

Though many people experience muscle twitching, it's often incorrectly identified as a muscle spasm. While both are involuntary contractions of a muscle, muscle spasms and muscle twitching aren't ...

A vasospasm is when one of the arteries carrying oxygen-rich blood throughout your body suddenly contracts. (The word "vaso" means vessel, and "spasm" is a sudden, involuntary muscle squeeze.) This ...

A myocardial contusion is a bruise to your heart muscle. It's caused by blunt force to your chest. It may tear the wall of your heart or damage your heart valve. A particular type of injury that ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Michael Hales, Kennesaw State University (THE CONVERSATION) For athletes across all ...