I have produced a 2 minute swing video lesson on "what powers a swinger's golf swing". If you understand this simple double pendulum swing model demonstration, then you will understand what powers the golf swing in a swinger's action.
Consider what I have demonstrated. One powers the golf swing by moving the left arm (central arm) in a circular manner. That "cause" produces an "effect". The "effect" is the circular motion of the left wrist/hand (peripheral hinge joint) in space. That "effect" becomes a "causal agent" with respect to releasing the club ("effect"). The circular movement of the left wrist/hand in space causes the release of the club.
If you understand what I have stated, there are only two possible causative agents in this sequence.
1) The left arm moves in a circular manner (due to the release of PA#4).
It produces an effect - the circular motion of the left wrist/hand in space.
2) The left wrist/hand unit moves in a circular manner in space.
It produces an effect - the release of the club.
The club release phenomenon is an "effect" and not a cause. I therefore think that it is nonsensical to state that an "effect" drives the golf club (via the lag pressure point at PP#3).
Note that I don't need to use the word centripetal or centrifugal in my description of "how the golf swing is powered" in a swinger's action.
I certainly think that it is nonsensical to believe that a centripetal force is necessary to "conserve speed and store energy".
Jeff.
Jeff,
What if I want NOT to release the club so soon with circular hand path?
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If you cannot take the shoulder down the clubshaft plane, you must take along some other path and add compensations - now, instead of one motion to remember, you wind up with at least two!
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