I think it has to do with the fact that you must set up your selected hinge action in the backstroke. If you're horizontal hinging, you must swivel your left wrist to the plane going back so that you can have a full roll hinge action. With angled hinging, it's "no roll" going back and "no roll" going through. The backstroke left wrist action must match the downstroke action.
If you "no roll" going back and horizontal hinge (full roll) coming through, you're going to have a hooking problem on your hands. Same idea goes with swiveling going back and "no rolling" coming through - clubface stays open.
So you're not actually Hinging in the backstroke, you're just "getting everything ready."
First of all...Hinging and Swivel are two seperate issues....
Secondly...there is such a thing as...Backstroke Hinging ...the Swivel at start up is NOT it!!!!
Lynn demonstrated this beautifully at the Pine Needles Workshop...
Hinge Action can substitute for wrist action
How about a down-the-line picture at around Section 8-4 and 8-5 showing the clubhead for
Read and Re-read 10-18-C-1/2/3
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How about a down-the -line view at around Section 8-4 and 8-5 showing... 10-18-C 1/2/3 and TOP. (Please)
Great post.....Still waitin to hear from the little green fellow on this one...after all he specifically showed me at Pine Needles....Backstroke Hinging per 10-18-C-1/2/3 versus 10-18-A with the Swivel at Start-Up.....
Seeing is believing....doing takes on ownership or understanding!!!