Set Up: Secure the elastic(s) to the door with the door
anchor at the top of the door and attach each end of the
elastic(s) to a handle. Now grip a handle in each hand and
sit with your knees slightly bent, feet touching the door,
and your body facing the door.
Movement: During this exercise keep your backbeat, head straight
and chest up. Start with your arms straight out in front and then
simply lean back until your shoulder blades touch the floor.