Extensor action
 

I am presently working my way through some of Yoda's old posts.

He stated-: "Per6-B-1-D, Extensor Action is always a below-plane Pull. This Pull straightens ideally, the entire Primary Lever Assembly (both the Left Arm and Clubshaft / 6-A-2) through Pressure Point #3. However, with the less skillful player, this #3 Pressure Point Pull may induce Clubhead Throwaway. In which case, the Extensor Action should be limited to astraightening of the Left Arm only (by Pulling on the Left Thumb through Pressure Point #1). In either event, the Extensor Action is always a Pulling Action, never a Pushing Action.

You can't Push a piece of string into a straight line."

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I cannot understand this position. It is my understanding that the right hand is pushing on the left thumb (PP#1 point) in such a direction (directionally along the longitudinal axis of the left arm) so that it extends the left arm. The left arm is pulled straight, but it pulled straight by a
push-action exerted by the right arm/hand unit.

I also think that it is possible to push a string (which is lying on a tabletop) into a straight line - by using the tip of a finger to push against one end of the string (in a straight line direction towards a distant target point). This explanation is identical to the idea of a horse pushing against a harness in order to pull a cart in a straight line direction.

Jeff.

Pushing To Pull
 

We're saying the same thing, Jeff: You stretch (pull) the left arm into a straight line by a right triceps push against the left hand thumb (just as if the left arm was merely a piece of string).

Regarding pushing a string into a straight line . . .

I'll pay to see that!

:laughing9

Yoda

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.

Jeff.

Word Games
 

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.

Jeff.

An all time classic from Dr Jeff. Been laughing for 10 mins . Keep em coming

Pistol - typical post! Typically devoid of intellectual/intelligent content, and typically reflective of your personal animus.

What more can one expect of you?

Jeff.

C'mon guys!

It is tough to pull for people so pushy! :laughing9

Jeff stick with pulling on the left thumb through pressure point #1:laughing9

Pistol

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.

Jeff.

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?

Pistol

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

Jeff.

jeff,
how can a horse push a cart, last I knew the cart was behind the horses,
I've never seen a horse behind the cart pushing the cart with his nose,
some people pull and some more than others pull more , your a huge puller jeff.
you have rocks in your head in you believe a horse pushes a cart.:confused1
What make a mass move forward is it a push or a pull.
with a horse the horse maybe pressing forward but in order for the cart to move the harness pulls on the horse,which then propels the cart forward.
a swinger pulls his left arm to create speed and momentum, he pushes to get alignments and compression, they don't push to get momentum or speed, you already have it, which is created by the left arm pulling driven by the pivot.
ask croker what happens , when you push you go broke and all your students hit it left and hook the ball.:confused1
Jeff why don't you go get a job or learn to play off scratch first before trying to become an expert, this way you can develop a feeling of pulling verse pulling. then maybe you might agree with us.
I seen your swing on utube and see you couldn't break a hundred, maybe this is why you lack understanding to what we are talking about, I can see your swing fault , to me appears you are pushing not pulling:laughing9
why are you trying to re invent the wheel for homer done this for us.
And what science can you add , really all your research is based on is
Jeffs Laws of opinion
you have no technology to research and i laugh at the fact you claim you use science ,what science, where is your own data, I laugh how you tell people you use biomechanics, what biomechanics technology do have, :laughing9
none ,
get serious Jeff what credibility do you have with no data or real research of your own.

Biomechanic - I will leave it to Yoda as to whether he will allow this type of defamatory post on his website.

I will not waste my time responding to your incoherent drivel, other than to state that you cannot have ever seen my golf swing on U-tube because it doesn't exist. The only swings available on U-tube are part of the swing video lesson where I used a child's short club to make certain points. There is no video of me swinging a regular golf club.

Jeff.

Jeff,
what am I to get band because your misleading people and I come forward and speak the truth.
As they say Jeff the truth hurts, you don't want to learn you want to criticise people , to be honest I'm not sure what your trying to prove,
I could post something you have posted months back and you would still argue with me.

Jeff I know it hurts you can't play golf, but do you really believe it's fair people listen to a 30 marker, if your such an exbert you should be able to play off scratch, as they say walk your talk.

how can you understand a motion if you can't perform the motion yourself.
How can you coach someone if you can't perform a motion to demonstrate in practice.

I don't like the fact Jeff your are giving true and real researchers a bad name cause your cliaming your something your not.
Your not a biomechanist and I dislike the fact you shoot others down in flames like pistol stating , they don't know cause they aren't a biomechanist.
That's calling the kettle black, isn't it?
I don't like dishonesty and i believe in the truth so I will post the truth.
Stop pretending your soemone your not and I will stop hammering you.
Until then be prepared to be hammered by me