Guide

Early extension: why your hips move toward the ball

Early extension is one of the two faults a camera behind you reads most reliably, and one of the most common in amateur golf. It is also frequently a mobility problem wearing a technique problem's clothes.

What it looks like

At address you set a distance between your hips and the ball. In a good impact position that distance is maintained or slightly increased — the seat stays back, the hips rotate open, and the lead hip clears out of the way.

In early extension the hips move the other way, toward the ball, and the body stands up out of its posture. On video from behind it is unmistakable: the line of your belt moves closer to the ball between the start and the strike.

Why it wrecks contact

Your arms need a corridor to swing through. When the hips fill that corridor the arms have to do something to avoid it — usually pull in and up, or roll the club over. Neither is a repeatable way to strike a ball.

The characteristic misses:

• Heel strikes and shanks. The whole club moves closer to you, so contact migrates toward the hosel. Early extension is the most common cause of a shank in an otherwise decent swing.
• Blocks and hooks — the two-way miss. The body stalls, and the hands either fail to release (block right) or flip to compensate (hook left). Two opposite misses from the same swing feeling is the signature of a posture problem.
• Thin and topped shots. Standing up raises the low point of the arc, so the club catches the ball on the way up or on the equator.
• Lost speed. Extending early means you have spent your rotation before impact rather than through it.

Why it happens

Almost never because a golfer decided to do it. Early extension is usually the body solving a problem it was handed earlier.

• The setup left no room. Too little forward bend at address means the arms never had space to swing down in front of the body. Standing up during the downswing is how the body makes some.
• Too much knee flex at address. Squatting rather than hinging restricts hip turn. If the hips cannot rotate, they thrust.
• Hip mobility limits. Lead-hip internal rotation is what allows the front hip to clear as you turn through. If that range is not there, the pelvis pushes forward instead — the only other way to make room.
• Ankle and thoracic restrictions. Limited ankle dorsiflexion makes it hard to keep weight centred in a hinged posture; a stiff upper back makes rotation expensive, so the body substitutes extension.
• Trying to lift the ball. The instinct to help the ball into the air by standing up and scooping, which does the opposite.

The mobility causes matter, because if a golfer physically cannot rotate the lead hip, no amount of drilling the position will hold. That is worth checking before concluding it is a technique habit.

Drills

Wall or chair impact drill

Set up with your backside lightly touching a wall or the back of a chair. Make slow swings. Through impact your lead glute should replace your trail glute against the wall — your seat stays in contact as the hips rotate. If you lose contact, you extended.

The detail people get wrong: this is not about keeping both hips pinned to the wall. That produces a stalled, non-rotating body. The point is rotation while maintaining depth, not depth instead of rotation.

Hip hinge rehearsal

Stand with your back to a wall, a foot or so away. Push your hips back until your glutes touch the wall while keeping your chest up and knees only softly flexed. That is a hinge. Most golfers who early-extend are squatting rather than hinging, and this teaches the difference without a club.

Lead-hip internal rotation work

If the range is not there, drilling the position fights your anatomy. Seated or standing hip internal-rotation stretches, 90/90 work, and glute activation address the actual limitation.

Anti-rotation core work

The Pallof press and similar exercises train the trunk to resist rather than collapse. Maintaining posture through a fast rotation is a stability task, not a flexibility one.

Thoracic mobility

Open-book rotations and reach-backs. A upper back that rotates freely reduces the need to substitute extension for turn.

Measuring whether it changed

Early extension is a displacement, which makes it one of the more objectively measurable things in a golf swing: hip-centre position at address versus at impact, from the same camera position.

This matters because the feeling is unreliable in both directions. A golfer who has genuinely fixed it usually reports feeling like they are sitting absurdly far back, and a golfer who feels like they have changed nothing has often changed a lot. The number settles the argument.

Film from directly behind, on the ball-to-target line, at about stomach height, and use the same spot every session so the comparison is honest.