[drewitgolf]

Your Start Up is always three demensional: Back, Up and In. Depending upon which Plane Angle you choose to use as well as any Plane Shift(s), there will be a blending of Right Forearm Fanning, Pickup and Pivot Motion all under the guidance of Educated Hands.
When the Hands know where they need to go, the Pivot and the Right Forearm will take them there. The key is do they know where to go? Monitoring the Hands gives presidence to Geometry over Physics; Hand Control Pivot. But it is your choice if you want to use Pivot Control Hands have at it. When you get the book, check out Chapter 5.
In the mean time, drop a golf ball on the ground and bend over to pick it up. Your Hands knew where they need to go to pick up the ball and the Body responded by turning, bending, etc. The Body didn't fling the Hands down to pickup the golf ball.
Check out Chapter 9 a well, Body Control is Zone #1; The Pivot, Arms are Zone #2 and Hands Zone #3 and must be developed in sequence and #3 can never be better than its Zone #1 and #2 support.