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

The lats are a large, triangular-shaped muscle that runs across your lower-mid back and helps stabilize your back while you ...

so doing exercises that build the lats further encourages the activation of the posterior muscles on the shoulder blades,” says Joshi. Stand to the side of a bench, chair or box and hold a ...

Deltoid Abduction of the shoulder (moving the arm outwards and away from the body) Outward arm action in a jumping jack Rotator cuffs A group of stabilising muscles of the shoulder which helps to ...