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Improve Supination Through Better Arm Extension

Improve Supination Through Better Arm Extension
By Tyler Ferrell · September 30, 2017 · Updated April 16, 2024 · 4:21 video

What You'll Learn

This drill trains a release pattern many golfers miss: supination created by proper arm extension. Instead of trying to roll the forearms through impact, you learn how the club and arms naturally rotate when your arms extend out in front of the ball from a good delivery position. That matters because a lot of common problems—scooping, flipping, stalling the body, standing up through impact, and inconsistent low point—often trace back to arms that stop or bend too early. When you organize the delivery correctly and then extend with soft enough grip pressure, the release becomes more athletic, the face squares more naturally, and solid contact gets much easier.

How the Drill Works

The key idea is simple: supination should be a result of the motion, not a forced action. If your arms are already in a slightly rotated, shallow delivery position, then extending them forward will naturally encourage the forearms and club to rotate through the strike. You do not need to consciously “flip” the club or aggressively roll the hands.

This is important because many golfers try to create face rotation too actively. They get to delivery and then attempt to twist the club over with the hands. That usually creates the wrong kind of release—one that steepens the shaft, disrupts low point, and often leads to heavy shots, pulls, or a glancing strike.

In this drill, you start from a shallow delivery position with the arms already organized. From there, your job is to:

When you do it correctly, the release feels less like a hand action and more like an extension-driven rotation. The clubface squares because of how the arms are moving, not because you are desperately trying to save the shot at the last second.

This drill is especially useful if you tend to:

Step-by-Step

  1. Set up without worrying about speed. Start with a short iron and make rehearsal motions at slow speed. This drill is about learning the release pattern, not hitting full shots right away.

  2. Move into a good delivery position. Rehearse the club down to a point just before impact, with the shaft relatively shallow and the arms organized in front of you. The club should not feel steep or “on top” of the plane. You want the sensation that the club is approaching from a playable, shallow position.

  3. Feel that the arms are already slightly rotated. In delivery, your forearms are not neutral in a passive, square-to-square sense. They are arranged so that if you simply extend correctly, the club can continue to rotate through the strike on its own.

  4. Soften your grip pressure. This is critical. If you squeeze too hard, you will tend to freeze the club, stall the release, and bend the arms. A softer hold allows the club’s weight and momentum to work.

  5. Extend the arms out in front of the ball. From delivery, push the arms forward so they lengthen through the strike area. The direction matters. You are not extending at the ball; you are extending through and beyond it.

  6. Let the rotation happen because of the extension. As the arms extend from that already rotated, shallow position, the forearms and club should begin to rotate naturally. You are not trying to force the toe over. You are allowing the release to unfold.

  7. Add a “lead thumb away” feel if needed. A useful sensation is that the lead thumb moves away from you as the arms extend. This can help prevent you from stalling the handle and can encourage the club to release without a sudden flip.

  8. Use pump rehearsals. Return to delivery, then pump through the release slowly two or three times. Each pump should feel like: shallow delivery, soft grip, arms extending forward, natural rotation through.

  9. Hit small shots from the pump motion. After a couple of rehearsals, go ahead and let one go. Make a short swing and focus only on preserving the same sequence. The ball flight is feedback, but the priority is the movement pattern.

  10. Progress to a continuous motion. Once the pump drill feels comfortable, remove the pause and make the same release in one flowing swing. The goal is to keep the same softness and extension without needing the rehearsal stop.

What You Should Feel

If you are doing this drill correctly, the release should feel simpler and less manipulative than what you may be used to. You are not trying to rescue the shot with your hands. You are setting up the motion so the release can happen.

Key sensations

Checkpoints to look for

A good sign is that the swing feels almost easier through the strike. When the release is working, you do not feel the need to save the face at the last instant. The club seems to square up because the arm motion is correct.

Common Mistakes to Avoid

How This Fits Your Swing

This drill is not just about a prettier follow-through. It connects directly to several major pieces of a good golf swing.

It improves clubface control

Many golfers think face control comes from hand manipulation. In reality, a lot of face stability comes from having the club in a good delivery position and then releasing it through proper arm motion. When your arms extend from a shallow, rotated position, the face can square without a panicked flip.

It helps eliminate scoop and flip

If you scoop, you are usually trying to add loft or avoid the ground. That often comes with bent arms, stalled rotation, and a release that happens too early. This drill teaches you to keep the arms moving forward so the club can release later and more efficiently.

It supports better low point control

Golfers who fear hitting behind the ball often tighten up and shorten the arms through impact. That compensation may barely catch the ball, but it is unreliable. Extending through the strike gives you a more stable arc and a more predictable strike pattern.

It cleans up the follow-through

A cramped, stuck follow-through usually reflects a poor release through impact. When the arms can extend and the forearms are allowed to rotate, the follow-through becomes more balanced and complete. You will often see straighter arm structure and a freer exit after the ball is gone.

It blends with arm shallowing

This drill works best when paired with the right delivery pieces earlier in the downswing. If you have done a good job shallowing the arms and organizing the club before impact, then extension can create the release you want. If the club is too steep or too far outside, your body will often react by tightening and holding on.

That is why this is such a useful bridge drill. It links the delivery position to the release and then into the follow-through. It teaches you that supination is not something you slap on at the bottom of the swing. It is what happens when the club is delivered correctly and the arms are free to extend.

As you practice it, keep the main idea in mind: get the club shallow, keep the grip soft, and extend the arms out in front of the ball. If you do that, the release can become more natural, the face can square with less effort, and your strike will start to look much more compressed and reliable.

See This Drill in Action

Watch the full video lesson with demonstrations and visual guides.

Watch the Video Lesson