For those looking to tone their upper body ... The middle (middle) deltoid: Responsible for shoulder abduction (lifting the arm away from the body). The posterior (back) deltoid: Assists with ...
For those looking to tone their upper body ... Hold a dumbbell in each hand; one in front of each shoulder. Extend your right arm straight out in front of you in a punching motion.
Cable pulls strengthen your upper back, chest, shoulders, and arms. It also helps in improving your posture. Additionally, cable pulls can help improve your shoulder mobility. On the other hand ...