Set-up: Set up with a cable tower and a D-Handle. Stand in line with the cable tower with your body facing perpindicular to it and the D-handle centered on your chest.
Movement: Push the handle straight out in front of you, keeping your body in a straight-line with no rotation. Hold it in front of you for the prescribed time. Repeat on the other side.
Emphasis: Do not allow the cable to rotate your upper body back towards the machine.