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Stickney: To stack or not to stack at impact?

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As you look at the impact positions of the best players in the world, you will find many different “looks” with respect to their body and club positions. Some of these impact positions might even appear unique, but don’t be fooled. They all have one thing in common: preserving the players’ balance throughout the impact interval! In fact, if you are not in-balance, then you will lose power, consistency, and have trouble controlling your launch dynamics from shot to shot.

This balance is a necessary key to playing well and one area that can be easily understood with a few graphics shown on GEARS 3D. As you examine the photo in the featured image, you can see a few things:

  • The player on the left has “fallen” backwards through impact slightly moving his head out of the circle established at address
  • The player on the right is more stacked at impact — meaning that his chest, zipper and hands are all in the same place at the same time (within reason)
  • The player on the left has reached this same position in the swing with different segments of the body reaching the ball at different times
  • There will be a difference of impact shaft lean between the two players due to one player reaching impact “together” and the other shoving his hands more forward as he falls back
  • The player on the right is more “connected” through impact…won’t be the longest hitter but will be able to find the ball in the fairway more often
  • The player on the left is putting more pressure on the rear portion of the lower back which could have a potential for injury if he’s not careful

Now, obviously there are pro and cons to both positions. Overall, if you want to be consistent and in-balance more often that not, I would suggest you try your best to focus on being “stacked” when you hit the ball.

Let’s dive in a touch deeper to show you what happens physiologically on 3D when you fall back through impact and I think it will really drive the point home.

  • At address notice the Vertical Spine Number 96.2, this is showing us where the spine is positioned at address
  • You can see the head is in the center of the bubble

  • On the way to the top of the swing you can see that the spine has moved “away” from the target laterally a slight bit to 98 degrees
  • The head has dropped downward and has also moved laterally as well- more lean over the right leg to the top

Now here is where the problem comes in…as you work your way to the top, it’s ok of your head moves a touch laterally but in transition if it stays “back” while your hips run out from under you then you will begin to fall backwards on the way to your belt-high delivery position.

  • We can see at the delivery position that the spine has continued to fall backwards as the hips rotate out from under the upperbody
  • When this happens the hands will begin to push forward- dragging the handle into the impact zone
  • Whenever you have too much spin out and fall back the hands move forward to accommodate this motion and this reduces your Angle of Attack and decreases your dynamic loft at impact
  • This will cause balls to be hit on the decent of the club’s arc and reduce loft making shots come out lower than normal with a higher spin rate and that means shorter drives

Now let’s examine impact…

  • The player on the left has reached impact in a more disconnected fashion versus the player on the right as you compare the two
  • The player on the right has a shaft lean at impact that is less than a degree (.75) while the player on the left has a much more noticeable forward lean of the shaft thereby reducing dynamic loft at impact

  • The player on the left’s spine has moved from 96.2 to 112.9, a difference of 16.7 degrees while the player on the right has only moved back a few degrees. We know this because his head has stayed in the bubble we charted at address
  • The hips have run out from under the player on the left in the downswing and this causes the head to fall back more, the hands to push forward more, and the impact alignments of the club to be too much down with very little dynamic loft (as also shown in the photo below)

Whenever the hips turn out from under the upper body then you will tend to have a “falling back effect of the spine and a pushing forward of the hands” through impact.  Notice how the hips are radically more open on the player on the right versus the left- 27.91 versus 42.42 degrees.

So, now that we can see what happens when the hips spin out, you fall back, and you fail to be “stacked” at impact let’s show you a simple way you can do this at home to alleviate this issue.

  

  • A great drill to focus on being more stacked at impact is to make slow motion swings with the feeling that the upper portion of your arms stay glued to your chest
  • These shots will be full swings but only 20% of your total power because the goal here is connection which allows everything to reach impact together and in-balance
  • The second thought as you make these swings is to pay attention to your head, if you can focus on allowing it to stay “over the top of the ball” at impact you will find that it will stay put a touch more so than normal. Now this is not exactly how it works but it’s a good feeling nonetheless
  • Once you get the feeling at 20% speed work your way up to 50% speed and repeat the process. If you can do it here then you are ready to move up to full swings at top speed

Finally, don’t forget that every golfer’s hips will be open at impact and everyone’s head will fall back a touch — this is fine. Just don’t over-do it! Fix this and enjoy finding the ball in the fairway more often than not.

Questions or comments? [email protected]

 

 

 

 

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Tom F. Stickney II, is a specialist in Biomechanics for Golf, Physiology, and 3d Motion Analysis. He has a degree in Exercise and Fitness and has been a Director of Instruction for almost 30 years at resorts and clubs such as- The Four Seasons Punta Mita, BIGHORN Golf Club, The Club at Cordillera, The Promontory Club, and the Sandestin Golf and Beach Resort. His past and present instructional awards include the following: Golf Magazine Top 100 Teacher, Golf Digest Top 50 International Instructor, Golf Tips Top 25 Instructor, Best in State (Florida, Colorado, and California,) Top 20 Teachers Under 40, Best Young Teachers and many more. Tom is a Trackman University Master/Partner, a distinction held by less than 25 people in the world. Tom is TPI Certified- Level 1, Golf Level 2, Level 2- Power, and Level 2- Fitness and believes that you cannot reach your maximum potential as a player with out some focus on your physiology. You can reach him at [email protected] and he welcomes any questions you may have.

2 Comments

2 Comments

  1. geohogan

    Nov 30, 2022 at 11:55 am

    Every good golfer have their head as much as 7 inches closer to the ground than at address.
    Good golfers allow their hips to move(subconsciously) back away from the ball, offsetting CF.
    The head naturally has to lower. (head and hips counter balance in coronal plane)
    Poor golf swings counter CF by standing up leading to lower back injury.

  2. Robert Johansson

    May 7, 2022 at 1:03 pm

    teaching stuck mechanics
    The modern golf way

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Instruction

Clement: Laid-off or perfect fade? Across-the-line or perfect draw?

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Some call the image on the left laid off, but if you are hitting a fade, this could be a perfect backswing for it! Same for across the line for a draw! Stop racking your brain with perceived mistakes and simply match backswing to shot shape!

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The Wedge Guy: The easiest-to-learn golf basic

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My golf learning began with this simple fact – if you don’t have a fundamentally sound hold on the golf club, it is practically impossible for your body to execute a fundamentally sound golf swing. I’m still a big believer that the golf swing is much easier to execute if you begin with the proper hold on the club.

As you might imagine, I come into contact with hundreds of golfers of all skill levels. And it is very rare to see a good player with a bad hold on the golf club. There are some exceptions, for sure, but they are very few and very far between, and they typically have beat so many balls with their poor grip that they’ve found a way to work around it.

The reality of biophysics is that the body moves only in certain ways – and the particulars of the way you hold the golf club can totally prevent a sound swing motion that allows the club to release properly through the impact zone. The wonderful thing is that anyone can learn how to put a fundamentally sound hold on the golf club, and you can practice it anywhere your hands are not otherwise engaged, like watching TV or just sitting and relaxing.

Whether you prefer an overlap, interlock or full-finger (not baseball!) grip on the club, the same fundamentals apply.  Here are the major grip faults I see most often, in the order of the frequency:

Mis-aligned hands

By this I mean that the palms of the two hands are not parallel to each other. Too many golfers have a weak left hand and strong right, or vice versa. The easiest way to learn how to hold the club with your palms aligned properly is to grip a plain wooden ruler or yardstick. It forces the hands to align properly and shows you how that feels. If you grip and re-grip a yardstick several times, then grip a club, you’ll see that the learning curve is almost immediate.

The position of the grip in the upper/left hand

I also observe many golfers who have the butt of the grip too far into the heel pad of the upper hand (the left hand for right-handed players). It’s amazing how much easier it is to release the club through the ball if even 1/4-1/2″ of the butt is beyond the left heel pad. Try this yourself to see what I mean.  Swing the club freely with just your left hand and notice the difference in its release from when you hold it at the end of the grip, versus gripping down even a half inch.

To help you really understand how this works, go to the range and hit shots with your five-iron gripped down a full inch to make the club the same length as your seven-iron. You will probably see an amazing shot shape difference, and likely not see as much distance loss as you would expect.

Too much lower (right) hand on the club

It seems like almost all golfers of 8-10 handicap or higher have the club too far into the palm of the lower hand, because that feels “good” if you are trying to control the path of the clubhead to the ball. But the golf swing is not an effort to hit at the ball – it is a swing of the club. The proper hold on the club has the grip underneath the pad at the base of the fingers. This will likely feel “weak” to you — like you cannot control the club like that. EXACTLY. You should not be trying to control the club with your lower/master hand.

Gripping too tightly

Nearly all golfers hold the club too tightly, which tenses up the forearms and prevents a proper release of the club through impact. In order for the club to move back and through properly, you must feel that the club is controlled by the last three fingers of the upper hand, and the middle two fingers of the lower hand. If you engage your thumbs and forefingers in “holding” the club, the result will almost always be a grip that is too tight. Try this for yourself. Hold the club in your upper hand only, and squeeze firmly with just the last three fingers, with the forefinger and thumb off the club entirely. You have good control, but your forearms are not tense. Then begin to squeeze down with your thumb and forefinger and observe the tensing of the entire forearm. This is the way we are made, so the key to preventing tenseness in the arms is to hold the club very lightly with the “pinchers” — the thumbs and forefingers.

So, those are what I believe are the four fundamentals of a good grip. Anyone can learn them in their home or office very quickly. There is no easier way to improve your ball striking consistency and add distance than giving more attention to the way you hold the golf club.

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Instruction

Clement: Stop ripping off your swing with this drill!

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Not the dreaded headcover under the armpit drill! As if your body is defective and can’t function by itself! Have you seen how incredible the human machine is with all the incredible feats of agility all kinds of athletes are accomplishing? You think your body is so defective (the good Lord is laughing his head off at you) that it needs a headcover tucked under the armpit so you can swing like T-Rex?

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