Levator scapulae: Levator scapulae connects the neck into the shoulder blades, raises the shoulder blade, and extends/rotates the neck for upper back security. A person of one's rotator cuff’s principal duties is to control just how much interior and exterior rotation you are taking your arm via, significantly from resistance. https://howtobuildmuscleintheuppe97531.blogdiloz.com/26285480/the-smart-trick-of-exercises-for-upper-back-that-no-one-is-discussing