|How to do:
1. Position yourself on a Glut-Ham Chair or Roman Hyperextension Bench facedown with the back of your ankles tucked under the foot pads.
2. The mid part of your thighs should be resting on the rounded part of the seat.
3. Lower your trunk until your the top of your head is pointing directly at the floor.
4. Raise your upper body until it is approximately 45 degree above the horizontal.
5. Relax and lower your body repeating the first part of the movement.