Attach a pair of resistance bands to a door anchor and place the door anchor at shoulder height. Attach handles to the other ends of the resistance bands. Face towards the door and grasp the handles with arms slightly bent. Place one foot slightly back and bend over at hip until shoulder is fully flexed (upper arms at sides of head).
With elbows fixed approximately 30°, pull handles down until upper arms are to sides. Return handles overhead. Repeat.
Fix elbows approximately 30° throughout exercise.