Going beyond the hollow body position while facing down is equally as important to begin adopting a more complete understanding on how our body moves through space. This is why going from a prone position, one can adopt an extended global shape static and with motion. These are known as the Superman and Superman Rock.
Every time you sit down on a chair, you perform a pull from your legs. But because the chair is stable, is high up, and has a backrest, you don’t usually pull yourself into the chair with control; you just drop. This convenience has led to underdevelopment in our ability to pull from our lower extremities, which causes extension at the lumbar spine and a subsequent loss of motor control, which is expressed as a loss of movement control.