Sit on machine with back against vertical pad and roller pads in front of body. Place feet forward on foot bars. Cross both arms in front of body situated between roller pads. Position arms one on top of another, shoulder height.
Pull arms apart and back until elbows are slightly beyond back. Return to starting position and repeat.
To maintain hips and back against pad during lift, legs must push into foot bar while keeping spine ridged. If apparatus is unavailable, a similar movement can be performed on certain pec deck machines with adequate ranges of motion.