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 ...

Muscle strains and sprains are common injuries among teen athletes, often causing distress for athletes and their parents. Understanding the causes, recognizing the symptoms, and knowing how to ...

That nagging shoulder twinge or persistent knee pain might not be random bad luck—it could be the direct result of muscle imbalances silently developing in your body. While most fitness enthusiasts ...