The deltoid is a large, triangular shaped muscle ... leaning your torso forward on a diagonal. Fly your arms out to the sides as high as the shoulders. Squeeze your shoulder blades together ...

One of the unsung heroes of dumbbell exercises, the lying rear delt fly not only strengthens your shoulder muscles but also helps prevent shoulder injuries. Mastering this exercise will bolster ...

Get them stronger with these moves. “Your shoulders are made up of three deltoid ‘heads’ – anterior (front), medial (lateral), and posterior (back),” says Alice Rose-Miller member of the ...