Good post. Do you think you are "using" your feet or are you "feeling" the down-plane force of your hands and right shoulder going into the ground via your feet?
The swingers pivot drives and creates a pressure against acc#4 at its associated pressure point(#4). You launch the pivot from the tension in your feet, your pivot (power package transport) moves the hands - specifically monitored by the pressure points - to the aiming point....