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Transition.

The change of direction — the first move down. Stock full-swing mid-iron.

What's going on.

This is the first move down. Face-on shows the belt starting toward the flag before the hands throw. Down-the-line shows the club falling in or shooting out over the shoulder.

What this still is.

This is the change of direction — the first move down. Look for this, then move on.

Look first.

Face-on

Your belt has started toward the flag. Your hands have not thrown the club yet.

Check these.

Hands relative to body
Hands are still high. They have not thrown out toward the ball.
Wrist picture
The club still has its angle. The clubhead has not already passed the hands.
Shaft to wrists / lead arm
The shaft is still across the trail shoulder. It has not dumped to the ball.
Hip rotation / belt / depth
The belt starts toward the flag.

A little shift is still the first move down, not the slide card. A belt that beats the club is early hip slide. Still on the back foot at the hit is hanging back. Space toward the ball is the other camera.

Shoulder rotation
Shoulders are still quieter than the belt. They have not thrown the club.

How closed they stay is a style, not a test.

Hip-to-shoulder difference
Many players show a bigger gap here: belt starting, shoulders still back.

That is one valid style, not a required peak. The miss is everything turning together, or the belt never starting.

Foot pressure
The front foot is taking the ground, or just starting to.

Some players can still be heavier on the back foot here. Some are already on the front. Miss: a spin in place with no shift, or a belt that races the flag.

Down-the-line

The club is falling in, not shooting out over your shoulder.

Check these.

Hands relative to body
Hands drop slightly in, not out over the line.
Wrist picture
The slot is the shaft row.

You cannot judge the face from this camera.

Shaft to wrists / lead arm
The shaft shallows or stays.

A little either way is still this still. Steepening over the shoulder is over the top. Dumping farther behind the trail hip is stuck.

Hip rotation / belt / depth
The space is still there. Standing up here is early extension starting.
Shoulder rotation
The shoulders have not thrown the club out over the line.

How closed they stay is a style.

Hip-to-shoulder difference
The lower body has started; the club has not been thrown. That is the picture.

Not a required shoulder number.

Foot pressure
You can see a spin in place with no shift.

You cannot see which foot owns the ground from this camera.

When both cameras agree, the belt has started and the club has not yet been thrown.

How you see it here.

  • Down-the-line, a shaft that steepens over the shoulder here is over the top. Over the top
  • A club that drops farther behind the trail hip here is stuck. Stuck inside
  • Hands that throw from the top before the belt moves are the rush. Rush from the top
  • If you are still on your back foot at the hit, that is hanging back. Do not grade that card on this frame. Hanging back
  • A belt that slides past a posted lead side here is the slide, not the shift. Early hip slide

Watch these clips.

Official YouTube. Start times are the bit that teaches this slide, not the whole swing.

Titleist TPI (Greg Rose / Dave Phillips) · from 0:05

They name the Transition picture: the ground starts before the club comes down. Watch that, not the later number callouts.

Athletic Motion Golf · from 2:40

Watch the face-on belt at Transition. A useful shift is not the same picture as a slide that beats the club.

Dr. Kwon / DrKwonGolf · from 0:04

He separates the lower-body shift from the upper-body turn. Watch that Transition picture. Skip the later lecture.