Regarding the problem- issue of "pushing a string into a straight line" consider the following thought-experiment.
Imagine a piece of string lying on a tabletop. Then imagine putting a pin into one end of the string to keep its position static. One can then straighten that string by pulling on the other end until the string is straight. Alternatively, one can place one's fingernail a few miilimetres from the other end of the string and push the string straight by pushing that string end against the tabletop in a straight line direction away from the pin.
C'mon, Jeff,
Both motions in your examples are called pulling the string!
Pull Definition:
To exert force or influence on so as to cause to move toward or after the source of the force; drag, tug, draw, attract, etc.
Yoda - now I can understand why you describe the right arm's pushing action at PP#1 as a pulling action.
I have always understood pull and push differently. I think of a horse pushing against his harness so that the cart can be pulled by the horse (via the harness). However, I can understand how somebody else can combine these two factual phenomena into a single phenomenon and simply state that the horse is pulling the cart.
You are free to believe that a right arm swinger swinger pulls on his PP#1 with his right palm while I will continue to believe that the right palm pushes on PP#1 and causes the left hand to move down-and-out-and forwards.
Here is another quote by Yoda referring to the right shoulder thrust that initiates the downswing pivot action in a swinger.
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"The Push of the Right Shoulder accelerates the Swinger's Left Arm and
causes it to Pull the Hands and Club (6-B-4-0). The direction of that
Pull is toward its source (the Pushing Right Shoulder). Therefore, when you
Turn your Right Shoulder Down Plane (toward the Ball), i.e., 10-13-D #3 per
2-H, 2-L and 6-E-2-1, that is the direction taken by your Left Arm and Club
-- the Golfer's Flail (2-K).
This Push -- a Thrusting Force -- is much misunderstood, both
Mechanically and Kinesthetically. All that is needed to create this steady,
driving force or pressure is a positive motion that initiates and
sustains the Pull of Centrifugal Force. Its Execution need not -- in
fact, should not -- be quick or jerky (3-F-6). And any violent action
is not only unnecessary, it is counterproductive (due to its Throwaway
tendencies).
Remember, every Pull requires a Push. A horse cannot pull a wagon"
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Now if you want to call the right shoulder thrust action a pull action because it ultimately causes the left arm to pull the hands/club, then you are free to do so. However, I perceive it as a push action.
You can also freely believe that a horse pulls the cart, but I choose to believe that the horse pushes against the harness, and that the harness assembly translates that push-action into a pull-action with reference to the cart.
You are also free to believe that pushing (with the pushing finger being behind the point of contact with the string) against the end of a string to straighten it is exactly equivalent to pulling the string (with the pulling agent being in front of the point of contact with the string). However, your personal opinion doesn't become legitimized (become more scientifically "true") by adopting a mocking tone.
You are also free to believe that pushing (with the pushing finger being behind the point of contact with the string) against the end of a string to straighten it is exactly equivalent to pulling the string (with the pulling agent being in front of the point of contact with the string). However, your personal opinion doesn't become legitimized (become more scientifically "true") by adopting a mocking tone.
Jeff.[/quote]
I will go with Yoda's definition of a pull as posted. Jeff when are you going to release your Scientific Review of TGM on your website?
You are free to make your personal choice regarding what the right hand is doing at PP#1 during extensor action (pushing on PP#1 or pulling on PP#1).
By the way, here are a series of definitions of the word "push" from a variety of dictionaries.
- to press against something, in order to (try to) move it further away
- to apply pressure against for the purpose of moving
- to move (an object) by exerting force against it; thrust or shove
- to press upon or against (a thing) with force in order to move it away
- to cause to extend or project; thrust
- to use steady force in moving a thing away
Hybrid Mode
