The shoulder is one of the largest and most complex joints in the body. Developing them should be a high priority in your training for sure, but you should also strive to build strength and stability into all the shoulder muscles, and the joint as a whole.
Make sure your deltoid program is complete, containing laterals to the front, side and rear, as well as overhead presses and upright rows.
Here 8 WAYS TO BUILD SHOULDER STRENGTH AND STABILITY KNOW ..