A pulled hamstring is a muscle injury resulting from a strain or tear in one or more of the muscles at the back of the thigh. When it happens, there may be a sudden, severe pain and a popping or ...

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 ...

Myalgia often results from muscle strain, injury, or overuse. Chronic conditions like fibromyalgia may require treatment to ease myalgia. Using stress management techniques, like journaling, ...

Imagine you've just completed a tough upper-body workout. Your muscles feel a bit tired, but all in all you're able to go about the rest of your day just fine. The next morning, you wake up and ...

Your pectoralis major is a large and powerful chest muscle that’s shaped like a fan. It starts from two sections: your breastbone (sternum) and your collarbone (clavicle). The two sections come ...

Although muscle stem cells are able to grow and repair torn muscle tissue after we sustain an injury, they become less effective as we age. Now researchers at the Australian Regenerative Medicine ...