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 ...

An abdominal muscle strain is an injury that happens when muscles in your stomach area stretch too much or tear. You might also hear it called a pulled stomach muscle. Anyone can strain a stomach ...

What Is the Trapezius Muscle? Trapezius muscles are large, paired, triangular muscles in the back of your neck and upper back. They extend down your back, but they’re mostly involved in the movements ...

A pulled muscle—medically known as a strain—occurs when muscle fibers are stretched too far and sometimes tear. While mild ...

Dr.Steven Ludwig answers the question: 'Muscle Spasms -- Causes And Treatment?' — -- Question: What Causes Muscle Spasms And What Is The Best Way To Treat Muscle Spasms? Answer: Muscle spasm ...

Knee strains involve a tendon or muscle tear around the knee. Symptoms can include cramping, spasms, swelling, and bruising. A knee strain can happen due to twisting, overuse of the muscle, or an ...