1. The back leg is bent in a knee. A hip are raised above a floor.
Wave on a floor with a support on two hands
2. We lift a breast
3. We lift a stomach, caving in in a backbone
4. We lower a hip.
*** In an ideal a head and top foot are motionless, but it is possible and to cast away a head
*** We alternate movements by the right and left hand
*** The Hand moves as though in a pipe - tips of fingers in one point