Begin this movement in a standing position holding dumbbells with a supinated-grip and hands in front of your thighs. Keeping torso upright (no swinging) Exhale as you begin to lift the dumbbells outward in a full 360-degree motion keeping a slight bend in the elbows until arms are completely above your head. Inhale as you lower them to the starting position. Palms should always face outward. Repeat this movement for all reps.
Helpful tips and Tricks
Keep your head, back, & chest in proper alignment. Pause at the bottom of the movement to prevent swinging or using momentum.