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 ...

(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 ...

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 ...

Hypertrophic cardiomyopathy (HCM) is usually the result of genetic changes that affect the heart muscle. These changes cause the walls of the heart muscle to become excessively thick, which makes it ...

Fibroblasts, cells that repair heart damage, might cause a cycle of stiffening and scarring in certain heart conditions.

Many of us have had this dreaded experience: you’re asleep or lying in bed, minding your own business, when all of a sudden you feel an excruciating, twisting, tightening, pain in one of your calves.

When the phrase “broken heart” comes to mind, you may think of a picture or drawing of a heart ripped in half with jagged edges running down the middle of each side. This image has come to symbolize ...