In today's episode, Mark again is analyzing motion capture data from elite players—this time, Jon Rahm. Jon is famous for having a relatively "short" backswing, even with driver. The question today for Lou and Greg: how much does Rahm turn his upper body? And as always, the discussion turns from Rahm's swing to how we can learn how to improve our own golf through a better understanding of body movements—and the swing characteristics that they tend to produce. Where to find us: Mark Crossfield's weekly newsletter: https://www.crossfieldgolf.com/subscribe Mark Crossfield on Twitter: https://twitter.com/4golfonline Mark Crossfield on YouTube: https://www.youtube.com/user/4golfonline Lou Stagner's weekly newsletter: https://newsletter.loustagnergolf.com/subscribe Lou Stagner on Twitter: https://twitter.com/LouStagner Greg Chalmers on Twitter: https://twitter.com/GregChalmersPGA The Hack It Out Golf Podcast on Twitter: https://twitter.com/HackItOutGolf Learn more about your ad choices. Visit megaphone.fm/adchoices