Improve Lower Body Rotation to Fix Sway in Your Swing

This drill trains lower-body rotation while keeping you centered. That matters because many swing faults come from the pelvis moving the wrong way: in the backswing, you may sway off the ball instead of turning; in the downswing, you may slide or lunge forward rather than rotating through. Using the shaft as a form of resistance gives you immediate feedback. It helps you feel what proper rotation is supposed to be, whether you need more turn going back, more turn coming down, or both.

How the Drill Works

You’ll place a golf club behind one leg so the shaft gives you either assistance or resistance depending on the direction you move. That changes how your lower body responds and makes it easier to feel the difference between a true pivot and a sway or slide.

There are two main ways to use it:

Backswing emphasis: helpful if you tend to stay too stiff in the trail leg, make very little hip turn, or drift away from the target with your pelvis.
Downswing emphasis: helpful if you tend to get too square too long, slide laterally, or rotate too little through impact.

A common setup is to hold the grip in your right hand. For many golfers, that gives a useful combination: a little help turning in the backswing and a little more resistance in the downswing. It also lets your lead hand stay more in front of your chest, which keeps the drill feeling closer to a real swing.

In the backswing version, the shaft should encourage your pelvis to rotate around the ball rather than shift away from it. If you usually keep your trail leg too straight and slide off the ball, you’ll notice the shaft tends to stay too square to the target line. That’s your sign you’re moving laterally instead of turning.

In the downswing version, the shaft helps you learn how to twist open from the ground up. The goal is to feel the lower body opening while your pressure moves into the lead side and your upper body stays more centered over the ball. If you tend to lunge with the chest or shoulders to create turn, this drill can expose that pattern quickly.

Step-by-Step

Set up in your normal posture. Take a club and position it behind one leg so it can influence your lower-body motion. Hold the grip in your right hand if that setup feels most natural.
Choose the version you need. If you sway in the backswing, use the drill to encourage more turn going back. If you slide in the downswing, use it to create more rotation through the ball.
Make a slow backswing. Feel your pelvis rotate instead of drifting. The trail hip should work behind you, and your body should stay more centered over the ball.
Pause and check the top. If the movement is unfamiliar, place yourself at the top of the swing and hold it. This gives you a reference for what a centered, rotated backswing feels like.
Rehearse the downswing rotation. Start down and feel the lower body begin to open. By the time your lead arm is roughly parallel to the ground on the way down, the shaft should feel more rotated open rather than still square.
Keep your pressure moving into the lead side. You want to be getting over your lead leg while your torso stays stacked over the ball, not lunging out in front of it.
Add a small swing. Once the motion starts to make sense, blend it into a 9-to-3 swing. That gives you enough motion to test the feel without losing control.
Build toward full swings. When the pattern becomes more natural, take the same centered rotation into longer swings.

What You Should Feel

The biggest sensation is that your lower body is turning while your center stays more stable. You are not trying to freeze the hips, but you are trying to avoid excessive side-to-side motion.

Backswing Feel

Your trail hip works behind you rather than drifting away from the target line.
Your trail leg can lose some rigidity instead of staying locked straight.
Your pelvis feels like it is rotating around your spine, not sliding over your trail foot.

Downswing Feel

Your pressure moves into the lead foot as the pelvis opens.
Your lower body creates the turn, rather than your shoulders lunging forward to force it.
Your chest stays more on top of the ball while the hips continue opening.

A good checkpoint is this: if you can rotate and still feel balanced over the ball, you’re likely doing the drill correctly. If your body has to drift dramatically to make the motion happen, you’ve probably returned to a sway or slide pattern.

Common Mistakes to Avoid

Keeping the trail leg too straight in the backswing: this often blocks rotation and causes a sway off the ball.
Sliding instead of turning in transition: if your pelvis moves laterally without opening, you are missing the point of the drill.
Lunging with the upper body: some golfers try to create rotation by throwing the shoulders forward. That is not lower-body rotation.
Over-spinning the chest: opening the torso aggressively without proper pressure shift can create a forward lunge pattern.
Going too fast too soon: this drill works best as a slow rehearsal first, then with short swings, then full motion.
Ignoring head and upper-body awareness: if you tend to drive the upper body forward, using an external checkpoint such as a pool noodle can help you stay centered.

How This Fits Your Swing

This drill is valuable because it addresses two opposite problems with one concept: centered rotation. If you have too little lower-body motion, it helps you learn how to turn. If you have too much lateral motion, it teaches you how to replace that slide with rotation.

In the backswing, that means less sway and a more functional coil. In the downswing, it means less slide, less “staying square” too long, and better opening of the pelvis through impact. It can also help if your downswing is dominated by a forward lunge or shoulder-driven move, because the drill shifts the source of rotation back down into the lower body.

Once you’ve built the feel, the goal is not to keep thinking about the shaft forever. The goal is to transfer that sensation into your normal swing: turning back without drifting, then rotating through without sliding. When your lower body does that job correctly, the rest of the swing becomes much easier to organize.