https://vitalcrown.com/cinderella-solution/

Cinderella Solution Area your feet approximately 6 inches away from the wall, stretch out your hands immediately over your head and set your palms flat on the wall. The movement much like the traditional squat, the first actual motion you are making have to be to transfer your hips back just as if squatting on a low container. 

//vitalcrown.com/cinderella-solution/