Medically reviewed by Mallory Christopherson DC, FMT, CSCS You may get muscle cramps from dehydration, mineral loss, or overuse during exercise. Warm up and stretch your muscles before exercise, and ...

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 ...

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 ...

(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 ...

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

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 ...

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 ...

Also known as complete heart block, third-degree heart block is the most serious type of heart block. Considered a medical emergency, it can be fatal without prompt treatment. The steady beating of ...