Fixing Early Extension by Targeting Its Root Cause, Not the Symptom

By Staff Writer

2 min read

LoopGolf

A recent lesson with Travis, a former mini-tour player who now teaches the game himself, offers a reminder about swing flaws: chasing the symptom rarely fixes the cause. Early extension had crept into Travis's own swing even though he coaches other golfers through it — he was standing up out of posture on the downswing, stalling his rotation and flipping the club through impact to manufacture height and speed.

Where does early extension actually start?

Rather than drill the stand-up move directly, the lesson traced the fault earlier in the swing. The first checkpoint was the clubface during the takeaway: when it doesn't reach a sound position early, the rest of the swing compensates to make up for it. For Travis, that compensation showed up in his trail arm, which over-bent on the backswing, flattened the top of his swing and left him steep and stuck in transition.

How was the trail-arm structure corrected?

To build better structure without relying on verbal cues, Travis trained with the AMG Arm Shark, a strap-and-magnet device from Shaun Webb and Mike Granato that releases with an audible click the moment the trail arm moves outside the correct range. He then hit shots off a tee at well below full speed, limiting himself to three-quarter swings, so the new pattern could set before he tested it at game speed.

What finally stopped the standing-up move?

The last piece addressed rotation directly: maintaining hip depth through the swing instead of standing tall to create room for the club. An alignment stick gave Travis real-time feedback on that depth throughout the motion. Once he held his posture, two changes followed almost immediately — he stopped catching shots toward the toe, and his path into the ball shallowed out, each improvement reinforcing the next.

Find the cause instead of chasing where the swing finally breaks down, and the symptom often disappears on its own.

Frequently asked questions

What causes early extension in the golf swing?

Early extension — standing up out of posture on the downswing — is usually a compensation for an earlier flaw, such as a poor clubface position in the takeaway or a trail arm that over-bends and flattens the backswing.

Can a training aid help fix early extension?

A training aid can give immediate physical feedback on a specific position, such as trail-arm structure or hip depth, which can be more effective than verbal cues alone while a new pattern is being learned.

Why practice at less than full speed when changing a swing fault?

Slowing down, such as hitting three-quarter-speed shots off a tee, allows a new movement pattern to become consistent before testing it under the added stress of full swing speed.


  • early extension
  • golf swing mechanics
  • golf instruction
  • amg arm shark
  • trail arm
  • golf posture
  • swing fault