Jake Thurm is a foremost expert in use use of Pressure Mapping systems (BodiTrack) and he joins the podcast to share his research and insights on how the body interacts with the ground during the golf swing.  Jake differentiates between Center of Mass (COM) and Center of Pressure (COP) and helps you to understand those descriptors and how they apply in the golf swing.  He discusses how the feet pressure the ground and the vertical forces involved in the golf swing.  Jake shares acceptable ranges  of movement, and uses PGA TOUR examples such as Kevin Streelman, Hideki Matsuyama, James Hahn, Nick Faldo and Gary Player as examples. He also helps you understand how the correct use of the feet on the ground can help you make more accurate, and powerful golf swings.