Your back is a complex network of muscles, tendons, ligaments, and more that work in unison to support your upper body.

Medically reviewed by Amy Kwan, PT Your latissimus dorsi (your "lats") is a broad, flat, triangle-shaped muscle that spans ...

Muscles can only contract ... force to the bones through tendons, but skeletal muscles can only exert force by pulling, they cannot push, so moving a joint back and forth requires an antagonistic ...

The shoulder blades are the triangular bones on the back of the shoulders ... A complex series of muscles, tendons, and ligaments surround the scapulae and these joints. Damage in any part ...

Fibromyalgia is a long term (chronic) condition that causes widespread pain in the muscles, tendons and ligaments all over the body. Despite the fact that it is a painful disease, it is not ...