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

Breaks typically happen close to the shoulder or along the shaft (middle ... shoulders, and upper arm (biceps). Here’s how to do it: Many conditions can lead to pain in the right shoulder ...

Whether you sit all day or a tough workout has left you stiff and sore, regularly stretching the upper ... left arm straight ...