Are shoulder exercises necessary?
Probably not, most chest exercises overload the anterior and middle deltoid, and back exercises overload the posterior deltoid
Upright row wide vs narrow grip?
wide grip involves traps more and decreases shoulder impingement risks
Common faults shoulder/military press
Common faults DB raises
Absolute contraindications for overhead presses
Relative contraindications for overhead presses
Relative contraindications for side DB raise/upright row