The Life Fitness Signature Series Pectoral Fly Rear Deltoid is the ideal machine for targeting both the pectoral muscles in your chest and the rear deltoids muscles in your shoulders. It’s five pectoral fly start positions allows for users to select their desired range of motion and it’s articulating arms accommodates users of various arm lengths. This pectoral fly/rear deltoid machine is one of a series of great Life Fitness Signature Selectorized units.