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How PGA Tour players use the ground: Trends from BodiTrak

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Any time new technology makes its way onto the PGA Tour, it’s always interesting to take a step back and observe some of the general trends to see what we can learn from the new data it provides. One new piece of technology that is growing in popularity on professional tours is BodiTrak, which I co-developed. BodiTrak a pressure-sensing mat that helps athletes understand how they interact with the ground, which, of course, is great for the golf swing. As we continue to learn, the movement of a golfer’s center of pressure, or COP, is crucial to performance, and that’s exactly what BodiTrak measures.

The importance of pressure or weight shift isn’t a new concept at all, though. Hall of Fame instructor Jim McLean wrote an article for Golf Digest 25 years ago that discussed the importance of being able to load into your trail leg and explode onto your lead leg. McLean’s postulate from 1980 was resisted by some, but is now being confirmed — almost universally across the instruction community — with data from BodiTrak mats.

“Now with BodiTrak Pressure Mapping, even those most pessimistic doubters and anti-weight movement teachers have to concede that great ball strikers and all PGA Tour players load pressure into the trail foot in the backswing for a driver,” McLean says. “They then unload quickly back to the lead foot, and explode out of the ground through the impact interval.”

We’re only scratching the surface in terms of data collection on Tour, but I wanted to share a few of the most notable trends, as they might be relevant lessons for the average club golfer.

Tour players load and explode

The vast majority of Tour players load at least 80 percent of the pressure into their trail leg in their backswing and at least 80 percent into their lead leg at impact with their driver swing. Some golfers that BodiTrak has measured, like Jason Day, put as much as 95 percent of their pressure on their trail leg near the top of their backswing.

This move requires tremendous physical ability, but it’s foundational to Tour-level distance and consistency. Titleist Performance Institute co-founder Dave Phillips analyzed how Day’s elite hip mobility and stability make this move possible. Many amateurs (and some professionals) don’t have the requisite physical capabilities to do this, while others have inefficient technique. McLean refers to the transition to the lead leg as the key move in the golf. Golfers who fail to do so invite a number of potentially harmful swing tendencies. As PGA Tour instructor John Tillery says, “I’m convinced that the overwhelming difference between amateurs and Tour players is how and when they shift their pressure.”

Most Tour players have a linear trace with short irons

As a general rule, we’ve found the golf club wants to follow a golfer’s pressure trace during the swing. Many instructors advocate a linear trace because it encourages a neutral club path from which golfers can either fade or draw the ball. There are exceptions, but if you review BodiTrak’s library of PGA Tour data, you’ll see that linear traces are extremely common in precision swings. Linear iron traces are often drastically different from dynamic traces seen in many powerful driver swings. The explosive speed of a Bubba Watson or J.B. Holmes results from tremendous ground reaction forces, evidenced by a center of pressure trace we often refer to as a “Z Trace.”

You may know PGA Tour instructor Scott Hamilton from the instruction videos he makes for GolfWRX. He does an excellent job of explaining the relationship between club path and ground mechanics in the video below.

Sometimes poor technique is to blame for a center of pressure that traces excessively to the ball of the lead foot, but it’s also often an indication of limited physical capacity, specifically in the posterior chain. PGA Tour instructor Mark Blackburn notes that this is especially common among junior golfers who lack stability in their lower body.

Ground interaction is important in the short game

One of the most fascinating studies of ground mechanics has come from how PGA Tour players shift their pressure around the green. PGA Tour instructor Jake Thurm uses BodiTrak to assess how two-time champion Kevin Steelman distributes his pressure to ensure that the loft of the club is maximized. It’s a really interesting look into how data from BodiTrak can reflect corrections in posture throughout a swing. As Thurm says, “If your pressure is incorrect at setup, it will be corrected for throughout your motion.”

Popular online instructor Mark Crossfield, who also contributes to GolfWRX, compared pressure shift trends on different pitch shots, demonstrating how his center of pressure went into the toe of his trail foot and heel of his lead foot on a lob shot versus a lower, spinning chip that was hit with a more linear trace and more pressure into the lead foot at impact.

European Tour member Oliver Wilson also noted the importance in the timing and magnitude of his pressure shift in the bunker.

Following on from yesterday I used @boditrak in the bunker to show how my COP (Center of pressure) was working. It shows the COP moving to the right too soon & then into my heel. Ideally I need to stay more centered with the pressure in the initial takeaway. This will allow me to coil better & enable the right arm to bend easier. These in turn help me to keep the loft on the club face. For me, that will take care of any shaft lean at impact therefore using the bounce! Very similar to my golf swing! Love @boditrak as a measuring device for when things are good but it’s great to sometimes show why we aren’t able to obtain certain positions on video. #bunker #instagolf #golf #Callaway #oriongroup #hugoboss #practice #bounce A video posted by Oliver Wilson (@oliver_wilson) on

Pressure shift isn’t a new concept in golf. Instructors have been teaching pressure shift for years, but now, thanks to technologies like BodiTrak, we’re able to validate the concept with data and provide valuable biofeedback on the range for golfers.

Terry is the founder of Jazz Golf in Canada, co-developer of the BodiTrak Golf Pressure Map, and inventor of the world's first inertial measuring unit for golf and other major golf products. full information available at : https://www.linkedin.com/pub/terry-hashimoto/25/541/46a Terry is currently involved in developing golf pressure mats to develop bio feedback and immediate response information systems for the future of online sport metrics. He is a University of Miami golf team graduate and former PGA professional from Winnipeg, Manitoba now living in Atlantic Canada / Charlottetown PEI. He's looking forward to sharing as much information as possible with all golfers interested in center of pressure studies and research. www.boditraksports.com

4 Comments

4 Comments

  1. Kill

    May 19, 2016 at 3:27 pm

    Woah! I’m really enjoying the template/theme of this website.
    It’s simple, yet effective. A lot of times it’s very hard to get that “perfect balance” between user friendliness and visual appearance.

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  2. JC

    May 13, 2016 at 10:04 am

    this “article” is nothing but an ad.

  3. Desmond

    May 13, 2016 at 9:19 am

    Appreciate the video, expecially Hamilton’s. We are given the preferred outcome – linear tracing – but like most instruction, there is no explanation of the body movement needed to produce that consistent outcome — that’s where lessons help. But does traditional instruction give you those movements, or is it more, if the feedback says you’re doing it right, without an explanation of the movement you must make through the swing. It’s more than feel 50-50 at the back — it’s what do you do to get 50-50 between toe and heel in the back with most of your pressure in the back foot? What is the feedback says you’re getting pressure, but you have a lousy swing, because that movement throws off other body movements? That’s my issue with instruction — it’s about the outcome with little as to the detail in getting there.

  4. RG

    May 12, 2016 at 11:09 pm

    Top golfers transfer weight from hind foot to lead foot. Good weight transfer leads to more power and consistency in the golf swing. Got it. Glad we figured that out.

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Instruction

The Wedge Guy: Beating the yips into submission

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There may be no more painful affliction in golf than the “yips” – those uncontrollable and maddening little nervous twitches that prevent you from making a decent stroke on short putts. If you’ve never had them, consider yourself very fortunate (or possibly just very young). But I can assure you that when your most treacherous and feared golf shot is not the 195 yard approach over water with a quartering headwind…not the extra tight fairway with water left and sand right…not the soft bunker shot to a downhill pin with water on the other side…No, when your most feared shot is the remaining 2- 4-foot putt after hitting a great approach, recovery or lag putt, it makes the game almost painful.

And I’ve been fighting the yips (again) for a while now. It’s a recurring nightmare that has haunted me most of my adult life. I even had the yips when I was in my 20s, but I’ve beat them into submission off and on most of my adult life. But just recently, that nasty virus came to life once again. My lag putting has been very good, but when I get over one of those “you should make this” length putts, the entire nervous system seems to go haywire. I make great practice strokes, and then the most pitiful short-stroke or jab at the ball you can imagine. Sheesh.

But I’m a traditionalist, and do not look toward the long putter, belly putter, cross-hand, claw or other variation as the solution. My approach is to beat those damn yips into submission some other way. Here’s what I’m doing that is working pretty well, and I offer it to all of you who might have a similar affliction on the greens.

When you are over a short putt, forget the practice strokes…you want your natural eye-hand coordination to be unhindered by mechanics. Address your putt and take a good look at the hole, and back to the putter to ensure good alignment. Lighten your right hand grip on the putter and make sure that only the fingertips are in contact with the grip, to prevent you from getting to tight.

Then, take a long, long look at the hole to fill your entire mind and senses with the target. When you bring your head/eyes back to the ball, try to make a smooth, immediate move right into your backstroke — not even a second pause — and then let your hands and putter track right back together right back to where you were looking — the HOLE! Seeing the putter make contact with the ball, preferably even the forward edge of the ball – the side near the hole.

For me, this is working, but I am asking all of you to chime in with your own “home remedies” for the most aggravating and senseless of all golf maladies. It never hurts to have more to fall back on!

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Instruction

Looking for a good golf instructor? Use this checklist

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Over the last couple of decades, golf has become much more science-based. We measure swing speed, smash factor, angle of attack, strokes gained, and many other metrics that can really help golfers improve. But I often wonder if the advancement of golf’s “hard” sciences comes at the expense of the “soft” sciences.

Take, for example, golf instruction. Good golf instruction requires understanding swing mechanics and ball flight. But let’s take that as a given for PGA instructors. The other factors that make an instructor effective can be evaluated by social science, rather than launch monitors.

If you are a recreational golfer looking for a golf instructor, here are my top three points to consider.

1. Cultural mindset

What is “cultural mindset? To social scientists, it means whether a culture of genius or a culture of learning exists. In a golf instruction context, that may mean whether the teacher communicates a message that golf ability is something innate (you either have it or you don’t), or whether golf ability is something that can be learned. You want the latter!

It may sound obvious to suggest that you find a golf instructor who thinks you can improve, but my research suggests that it isn’t a given. In a large sample study of golf instructors, I found that when it came to recreational golfers, there was a wide range of belief systems. Some instructors strongly believed recreational golfers could improve through lessons. while others strongly believed they could not. And those beliefs manifested in the instructor’s feedback given to a student and the culture created for players.

2. Coping and self-modeling can beat role-modeling

Swing analysis technology is often preloaded with swings of PGA and LPGA Tour players. The swings of elite players are intended to be used for comparative purposes with golfers taking lessons. What social science tells us is that for novice and non-expert golfers, comparing swings to tour professionals can have the opposite effect of that intended. If you fit into the novice or non-expert category of golfer, you will learn more and be more motivated to change if you see yourself making a ‘better’ swing (self-modeling) or seeing your swing compared to a similar other (a coping model). Stay away from instructors who want to compare your swing with that of a tour player.

3. Learning theory basics

It is not a sexy selling point, but learning is a process, and that process is incremental – particularly for recreational adult players. Social science helps us understand this element of golf instruction. A good instructor will take learning slowly. He or she will give you just about enough information that challenges you, but is still manageable. The artful instructor will take time to decide what that one or two learning points are before jumping in to make full-scale swing changes. If the instructor moves too fast, you will probably leave the lesson with an arm’s length of swing thoughts and not really know which to focus on.

As an instructor, I develop a priority list of changes I want to make in a player’s technique. We then patiently and gradually work through that list. Beware of instructors who give you more than you can chew.

So if you are in the market for golf instruction, I encourage you to look beyond the X’s and O’s to find the right match!

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Instruction

What Lottie Woad’s stunning debut win teaches every golfer

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Most pros take months, even years, to win their first tournament. Lottie Woad needed exactly four days.

The 21-year-old from Surrey shot 21-under 267 at Dundonald Links to win the ISPS Handa Women’s Scottish Open by three shots — in her very first event as a professional. She’s only the third player in LPGA history to accomplish this feat, joining Rose Zhang (2023) and Beverly Hanson (1951).

But here’s what caught my attention as a coach: Woad didn’t win through miraculous putting or bombing 300-yard drives. She won through relentless precision and unshakeable composure. After watching her performance unfold, I’m convinced every golfer — from weekend warriors to scratch players — can steal pages from her playbook.

Precision Beats Power (And It’s Not Even Close)

Forget the driving contests. Woad proved that finding greens matters more than finding distance.

What Woad did:

• Hit it straight, hit it solid, give yourself chances

• Aimed for the fat parts of greens instead of chasing pins

• Let her putting do the talking after hitting safe targets

• As she said, “Everyone was chasing me today, and managed to maintain the lead and played really nicely down the stretch and hit a lot of good shots”

Why most golfers mess this up:

• They see a pin tucked behind a bunker and grab one more club to “go right at it”

• Distance becomes more important than accuracy

• They try to be heroic instead of smart

ACTION ITEM: For your next 10 rounds, aim for the center of every green regardless of pin position. Track your greens in regulation and watch your scores drop before your swing changes.

The Putter That Stayed Cool Under Fire

Woad started the final round two shots clear and immediately applied pressure with birdies at the 2nd and 3rd holes. When South Korea’s Hyo Joo Kim mounted a charge and reached 20-under with a birdie at the 14th, Woad didn’t panic.

How she responded to pressure:

• Fired back with consecutive birdies at the 13th and 14th

• Watched Kim stumble with back-to-back bogeys

• Capped it with her fifth birdie of the day at the par-5 18th

• Stayed patient when others pressed, pressed when others cracked

What amateurs do wrong:

• Get conservative when they should be aggressive

• Try to force magic when steady play would win

• Panic when someone else makes a move

ACTION ITEM: Practice your 3-6 foot putts for 15 minutes after every range session. Woad’s putting wasn’t spectacular—it was reliable. Make the putts you should make.

Course Management 101: Play Your Game, Not the Course’s Game

Woad admitted she couldn’t see many scoreboards during the final round, but it didn’t matter. She stuck to her game plan regardless of what others were doing.

Her mental approach:

• Focused on her process, not the competition

• Drew on past pressure situations (Augusta National Women’s Amateur win)

• As she said, “That was the biggest tournament I played in at the time and was kind of my big win. So definitely felt the pressure of it more there, and I felt like all those experiences helped me with this”

Her physical execution:

• 270-yard drives (nothing flashy)

• Methodical iron play

• Steady putting

• Everything effective, nothing spectacular

ACTION ITEM: Create a yardage book for your home course. Know your distances to every pin, every hazard, every landing area. Stick to your plan no matter what your playing partners are doing.

Mental Toughness Isn’t Born, It’s Built

The most impressive part of Woad’s win? She genuinely didn’t expect it: “I definitely wasn’t expecting to win my first event as a pro, but I knew I was playing well, and I was hoping to contend.”

Her winning mindset:

• Didn’t put winning pressure on herself

• Focused on playing well and contending

• Made winning a byproduct of a good process

• Built confidence through recent experiences:

  • Won the Women’s Irish Open as an amateur
  • Missed a playoff by one shot at the Evian Championship
  • Each experience prepared her for the next

What this means for you:

• Stop trying to shoot career rounds every time you tee up

• Focus on executing your pre-shot routine

• Commit to every shot

• Stay present in the moment

ACTION ITEM: Before each round, set process goals instead of score goals. Example: “I will take three practice swings before every shot” or “I will pick a specific target for every shot.” Let your score be the result, not the focus.

The Real Lesson

Woad collected $300,000 for her first professional victory, but the real prize was proving that fundamentals still work at golf’s highest level. She didn’t reinvent the game — she simply executed the basics better than everyone else that week.

The fundamentals that won:

• Hit more fairways

• Find more greens

• Make the putts you should make

• Stay patient under pressure

That’s something every golfer can do, regardless of handicap. Lottie Woad just showed us it’s still the winning formula.

FINAL ACTION ITEM: Pick one of the four action items above and commit to it for the next month. Master one fundamental before moving to the next. That’s how champions are built.

 

PGA Professional Brendon Elliott is an award-winning coach and golf writer. You can check out his writing work and learn more about him by visiting BEAGOLFER.golf and OneMoreRollGolf.com. Also, check out “The Starter” on RG.org each Monday.

 

Editor’s note: Brendon shares his nearly 30 years of experience in the game with GolfWRX readers through his ongoing tip series. He looks forward to providing valuable insights and advice to help golfers improve their game. Stay tuned for more Tips!

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