Learn from PGA Tour Player Wrist Data

Measure, Don't Guess

When a player is hitting it well you want to measure that swing and use as a benchmark later on.

In this video PGA Tour Coach Scott Cowx showing how he is archiving the swing of his tour player (Richard Jung) to measure the subtle changes in wrist conditions around impact that identify a players signature. Later you can compare the swing and see if anything has changed.

Gathering Tour Player Data

HackMotion Team has been gathering tour player data and making it available to our users. You can check out the data after downloading HackMotion iOS app here.

We will walk you through some PGA TOUR player data and help you to understand it.

Extension (+) Flexion (-) =
Cupping (+) Bowing (-)

Here is sample PGA Tour player wrist data. The green line shows wrist extension/cupping (above zero) and wrist flexion/bowing (below zero).

Tour players don’t all have the same wrist angle “numbers”, but they do move the wrists in similar “patterns”.  The line makes a typical “wave” pattern.

For pro players the range of the wrist angles is quite wide, since the grips can be quite different. However the “pattern” is independent of the absolute values.


  • Address – depending on the grip strength and other factors, usually from 10-40 degrees of extension/cupping.
  • Middle of backswing – flattening of the wrist, gets closer to 0 degrees.
  • Top – usually slightly extended, range 0-30 degrees. Most tour players are extended and what on video looks “flattish” is actually slightly extended.
  • Downswing – move from extension towards flexion – flattening the wrist. Usually pros are squaring the clubface earlier and moving towards flexion. Amateurs often increase the extension and try to square the clubface late in the swing.
  • Impact – Usually flat around 0. Players with weaker grips and more shaft lean are more flexed. Players with stronger grips are slightly extended. Usually within range +10 to -10.
  • After Impact – moving towards extension, positive value on graph. The speed of gaining extension can be lower if the player holds off the finish.

The biggest difference between amateurs and pros is the wrist extension at top and impact and how the player moves during transition. 

Radial (+) Ulnar (-) deviation =
Hinge (+) Unhinge (-)

The blue line shows wrist radial/ulnar deviation. Also known as hinge/unhinge or cock/uncock.

Again tour players don’t all have the same “numbers”, but they do move the wrists in similar “patterns”.  The pattern is quite simple to understand, so we will spend less time than on flexion/extension.


  • Address – unhinged wrist, for this tour player -30 degrees.
  • Top – usually around zero or a bit more hinge added.
  • Downswing – unhinging of the wrist.
  • Impact – Usually similar to address position, for this pro again -30 degrees.
  • After Impact – hinging again.

Hungry to learn more?

In this video you can take a look at how the wrist data looks inside the app. Starting from 2:00 minute mark we show how PGA Tour data look inside the app.

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Explore Use Cases

  • Learn PGA Tour Player Wrist Motion Patterns
  • Understand Wrist Motion and Clubface Control
  • Fix Excessive Wrist Extension

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