I cannot understand what you mean when you state that horizontal hinging occurs pre-impact. Where in TGM does HK state that it occurs pre-impact?
I understand that the finish swivel starts when the followthrough is complete - when both arms are fully straight.
Look at this series of capture images of Tiger Woods swing.
Do you agree that horizontal hinging occurs in images 1,2, 3 and that followthrough is complete in image 3? Do you agree that the finish swivel is occurring in images 4 and 5?
Now, what interests me is that Tiger Woods degree of right wrist bend in image 3 is less in image 3 than image 1. Why? I suspect that it is due to pronation of the right hand and supination of the left hand, which is occurring during the horizontal hinging action phase of the golf swing. The question is whether I am accurate in my visual assessment of Tiger Woods swing, and whether this rotation of the left/right hands is part-and-parcel of the horizontal hinging action.
Jeff.
Jeff,
Notice how far back Tiger's head is. It has a direct influence on the rate of closure of the clubface. Tiger appears to maintain his left arm flying wedge, but the rate it rotates post impact is related to his head position. He used to (might still) get callouses (sp?) on his wrists from rubbing them together in his finish.
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