Your latissimus dorsi (your "lats") is a broad, flat, triangle-shaped muscle that spans your middle and lower back and extends to the front of your humerus (upper arm bone). It plays a role in ...

A latissimus dorsi flap is a surgical procedure that uses part of an upper back muscle to reconstruct the shape of the breast ...

Pull-ups are a basic but super effective exercise for your upper back, especially your latissimus dorsi. To do a pull-up, hold onto an overhead bar with your hands a bit wider than your shoulders.

Feb. 17 (UPI) --New York Mets pitcher Frankie Montas sustained a high-grade latissimus dorsi strain and will be shut down from six to eight weeks, manager Carlos Mendoza told reporters Monday..