Rich Gaspari teaches Incline One Arm Dumbbell Side Lateral
In this Training with a Legend episode, Rich Gaspari demonstrates an exercise made famous by Arnold in Pumping Iron - The Incline One-Arm Dumbbell Side lateral. It helps works the medial head right into the insertion of the arm! Check out his points of execution for this one, and his explanation for why you need it in your shoulder routine!