The back or posterior of our body is made up of a multitude of muscles including the posterior deltoid and rotator cuff muscles which form part of the shoulder and are responsible for pulling movements. With there being so many muscles, there are also as many possible exercises to develop those ...

  Just think about it for a moment: all the muscles in your body have a job to do, there are no useless muscles!  In order for your muscles to do their job they must travel a specific motion which cannot be changed; for example, the bicep which is located at the humerus bone can only be ...