Having a stable pelvis helps you get the club from the top of your backswing down and through the ball on a smooth plane for better ball striking. And your buttocks are so important to this.

Strong glutes (buttock muscles) help stabilize the pelvis so you can maintain your posture during the swing.

Glute bridges
Here’s a great multi-joint bodyweight exercise for your glutes.

Functional exercises improve your golf swing, as well as your general movement ability and quality of life. It’s always a good time to get fit.