How to Train Your Rear Delts: Exercises & Workout

Rear delt muscle training

Your rear delts, or posterior deltoids, is the back part of your shoulder muscle. It originates on the spine of your shoulder blade and inserts on your humerus (upper arm bone). It aids your lats in extending your shoulder, and also externally rotates your shoulder, together with infraspinatus and teres minor of your rotator cuff. In this article, … Read more