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 ...

Back pain when you breathe might indicate conditions like muscle strain or heart issues. Seek medical attention if the pain ...

A recent study conducted by researchers at the University of Alabama at Birmingham and Johns Hopkins University School of Medicine published in PLOS ONE shows that symptoms of chronic fatigue syndrome ...

MedicineNet defines an oblique injury, or side strain, as a "sharp pain in the rib cage the first time the oblique muscle ...