“By definition, a sprain is an injury to a ligament, and a strain is an injury to a muscle,” says Mark Riederer, MD, a pediatric sports medicine specialist at University of Utah Health. “That’s really ...

A pulled muscle is an injury to your muscle fibers. Muscle fibers are the large cells that make up your muscles. Your muscles allow you to move when they contract and relax. Many people use the terms ...

the muscle fibers can develop small tears, leading to what we commonly call a groin strain or pull. Medical professionals classify groin strains into three distinct categories based on severity.

The young flamethrower was one of baseball’s top pitching prospects a few years ago, but his career thus far has been marred ...