Dive Bomber Push-Ups
If you want a movement for developing upper body strength and core stability, this exercise is for you. Dive Bomber push-ups require no additional equipment, but you’d better believe they are tough! See how many you can do with correct form.
Dumbbell Presses For Shoulders
Good video on how to perform dumbbell shoulder presses with proper form. While most people here will not be very worried about definition, dumbbell shoulder presses are still great basic exercises for strengthening your shoulders.
Pay careful attention to the video creator’s instruction on how much weight you should use.