Lie on machine with chest against padding. Position arms between padded lever arms with elbows below shoulders.
Pull arms up until elbows are beyond back. Lower and repeat.
Upper arm should travel in perpendicular path to torso. At lower portion of exercise, keep elbows pointed outward below shoulders. At upper portion of exercise, keep elbows pointed outward to sides of shoulders. Legs may be kept together, extending off end, or bent straddling bench as demonstrated.