Muscle atrophy affects millions of people worldwide, striking when least expected during periods of inactivity, illness, or aging. This natural process of muscle tissue breakdown can happen ...

Dick Van Dyke's fitness routine has Rick Springfield in awe. In a Sept. 26 Instagram post, the "Jessie's Girl" singer posed with the "Mary Poppins" star, who turns 100 Dec. 13, in the gym as the two ...

Skeletal muscle is the type of muscle that controls movement. Problems with these muscles can be minor, life-threatening, or ongoing problems that make it hard to perform basic daily activities.

The quadriceps, or quads, are a group of four muscles on the front of the thigh. They are some of the largest and strongest muscles in the body. The quad muscles allow a person to stand, walk, run, ...

Neck muscles have an essential role in supporting and stabilizing your neck. More than 20 muscles are working to keep your head supported and moving. Your neck muscles have a range of responsibilities ...