Tush Line
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Jim Kobylinski
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Think rotation and not swaying....main reason why people come off the tush line is due to swaying off the ball
Go hit balls with a chair resting on your tush. On the backswing your hips should be turning to the right and this allows the left cheek to come off the chair a bit. On the down swing there is a small lateral bump to promote axis tilt and then rotation happens again. This time the left cheek replants itself on the chair and the right cheek comes off.
Go hit balls with a chair resting on your tush. On the backswing your hips should be turning to the right and this allows the left cheek to come off the chair a bit. On the down swing there is a small lateral bump to promote axis tilt and then rotation happens again. This time the left cheek replants itself on the chair and the right cheek comes off.
The reason is simple - this is to do with the piece of advice saying 'keep your trail knee flexed'.... Its like so much Golfing Digest BS, good intention, bad consequences. Actually Brian alerted this to me that the trail leg really must straighten some during the backswing in his pivot artical - You will find it pretty much impossible to keep your base of the spine constant during the backswing if you keep that leg fixed.
It doesn't even need to lock str8 either - it just needs to ease and allow the movement back of the hip....
! Your trail hip must clear !
It doesn't even need to lock str8 either - it just needs to ease and allow the movement back of the hip....
! Your trail hip must clear !
Redgoat
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Mathew,
I respectfully must disagree with you about the trail knee. Check out Ben Fox and watch his right knee increase in flex from set up to the top. This is extremely effective and still maintains the tush on the line.
Most of the problems maintaining the line have to do with set up. If the player is losing the line on the way to the top, the weight is generally too much in the heels at address and moves to the toes in search on balance. Instead the turn of the hips should drive weight into the right heel at the top, keeping the tush on the line. If the line is lost coming down, excessive hip slide is usually the culprit.
While maintaining the flex in the right knee to the top isn't mandatory, it solves many problems with the backswing, including a lift in the posture.
Brady
I respectfully must disagree with you about the trail knee. Check out Ben Fox and watch his right knee increase in flex from set up to the top. This is extremely effective and still maintains the tush on the line.
Most of the problems maintaining the line have to do with set up. If the player is losing the line on the way to the top, the weight is generally too much in the heels at address and moves to the toes in search on balance. Instead the turn of the hips should drive weight into the right heel at the top, keeping the tush on the line. If the line is lost coming down, excessive hip slide is usually the culprit.
While maintaining the flex in the right knee to the top isn't mandatory, it solves many problems with the backswing, including a lift in the posture.
Brady
Regoat,
Its cool you don't agree - after all that is what these forums are all about - and always enjoy your insight. What I like most about you is your willingness to talk and debate and have always been in the spirit that these forums are all about.
I recently just got this concept but im now adminant that this is the correct way. The end of your spine is your tailbone and this is an important part of your pivot. On the backstroke - your spine should not change as the body moves around on a flat turn. This is your axis and this axis should not bob nor sway. So the tailbone should not change in its space of place in the backswing.
Now knowing this you see that the hips have to turn around the tailbone like the record and the center pin to hold it in place.
The next place to look at is the legs and the issue at hand of the knee flex to facilate this move. The leg is like a couple of dowels (I miss yoda [V]...lol) with a hinge (your knee) between them. Now attach one to the floor and attach it to where the hip socket would be to the underside of the rotating movement, it is an anatomical need to straighten as none of the two sides aren't going to get any longer ?
What would your thoughts be on this thinking? Doesn't sitting down on the knee also interupt that placing of the base of your turning post of the hips - because I would of thought that keeping the constant knee flex (or increasing within the example that you stated) would lower the whole machine assembly (whole upper body/arms/hands) in order to keep the knee (hinge pin between 2 sticks) constant or increasing or either that tilting the whole rotating motion downwards and create more axis tilt.
Another interesting question to you would be - perhaps your swing model wants to increase the flex (tilting the record down on trail side) so that consequently you then add the axis tilt and then in the downstroke you try to have a laterally moving axis - the feeling of no axis tilt when hitting the ball - is this something you have considered before or am I looking too deep into things?
Perhaps this would remove any confusion over my post....
This is the only way not to disrupt your axis of your spine in the backswing..... any other variation with flexed knee disrupts the spine bobbing swaying...etc
While I appologise for the crudity of the model, it should demonstrate the point......
This is the only way not to disrupt your axis of your spine in the backswing..... any other variation with flexed knee disrupts the spine bobbing swaying...etc
While I appologise for the crudity of the model, it should demonstrate the point......
Your torso isn't the stationary post - the spine is (as in the bone)....
And even if it did move laterally toward the target and had the post directly through the middle of the torso - the turn should still not raise or tilt (from original incline) - the need to straighten out the trail leg is still there....
Actually if you do it correctly - the trail hip should go behind the initial 'tush' line....the tailbone though remains in the same place.
Infact you see often (even tour pro's) people trying to keep the flex and they tilt the top of spine as they turn away from the target (curtis strange is an extreme) - to clear the trail hip behind them (usually still not enough) - The nature of this downwards tilt so as to keep the flex and clear the hip also lowers the rest of your body (upper body and arms) - because you move the top of the post trailward independant of the bottom. Then you often see them curve out their spine in an attempt to keep the height (twisting the post).... this is all junk....
On the downswing the upper part of the post doesn't lose its height to the the bottom half because the bottom half moves independant of the top (remaining constant), thus not bobbing the assembly...
The rotationary movement of the neck allows the head to stay stationary (like a swivel with 90 degree max motion in each direction). If it followed the movement with the spine it would look in the total opposite direction from the target.
The mass of the back is flat - infact I could take a club and run it down my back (when my posture is good) and for the mass part its flat - where it curves the post is slightly bent at the shoulders to the neck (swivel) . It still turns like a post....
To keep the tailbone stationary would cause the loss of the right leg address "slant". This is a move off the ball. You can do this(and many do), but it requires a big lateral move back toward the target on the DS.
The correct move is to "moon" the target, maintaining the slant of the right leg at address as viewed from the front, which causes the right hip pocket and tail bone to move closer to the target.
The correct move is to "moon" the target, maintaining the slant of the right leg at address as viewed from the front, which causes the right hip pocket and tail bone to move closer to the target.
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