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

Here’s what to know about the latissimus dorsi muscle’s role in the body, what can cause pain to this area, and what to know about the prevention and treatment of aches. The latissimus dorsi ...

Armpit pain is a common ... injuries to the muscles and tendons that insert onto the arm bone," says Lin. These include the pectoralis, or the chest muscles, the latissimus dorsi muscle, which ...