Back and shoulder exercises are the core of Tang’s six-week challenge—and you’ll see them show up in almost every workout. In Workout 2, expect rows and shoulder presses in supersets with hip thrusts ...

The deltoid shoulder muscles play a big role in lifting and rotating your arms, as well as stabilizing the muscles in your arms and back. When it comes to boosting upper body strength and ...

back, and legs. However, strong, muscular shoulders are essential for upper-body strength and a balanced physique. You may not realize it, but your shoulder muscles are crucial for nearly every ...

(CNN) — When your shoulders feel stiff ... aren’t firing properly, larger muscles such as the upper trapezius (located at the side of the neck and top of the back) and pectoralis major ...