BIOGOLF

Try this sneaky way to unlock more swing speed with David Leadbetter

By David Leadbetter  

All Photographs by Dom Furore

Who doesn't love Rory McIlroy’s golf swing, especially the way he can fire his hips on the way down and power through the ball. But if you’re trying to rotate your hips even half as well as Rory to hit the ball farther, you should know that his hips are actually slowing down as the club approaches the ball.

My friend J.J. Rivet, a French biomechanist who works with the European Tour, has studied hip rotation in elite-level golfers and has measured the speed in which their hips are moving in the downswing. The average is about 600 degrees per second in the initial phase, but the hips rapidly slow down as the club approaches the ball, to an average of 200 degrees per second. Why? J.J. calls it the catapult effect, and I’ll explain it in layman’s terms. Imagine you’re driving a car at a decent speed. If you apply the breaks quickly, your body lurches forward (hopefully against a seat belt). In the golf swing, if your hips decelerate quickly in the downswing, the club lurches forward, speeding up as it approaches the ball. The catapult’s arm comes to a halt, but the sling keeps moving. That’s power. 

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ANCHOR YOUR SWING Standing on alignment rods gives your feet feedback about stability.

Now for the hips to decelerate properly, you need your lower body to be stable. That’s why you see me standing on alignment rods (above). When you practice your full swing, standing on the rods reminds you to keep your feet grounded, which allows you to accelerate and decelerate the hips correctly. Whenever you see a golfer “spin out” as they swing the club through, that means they didn’t have good lower-body stability. If you anchor your swing, you’ll catapult the club into the ball—like Rory. —WITH RON KASPRISKE


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