Re: Extension of Spine on Backswing
By: Tyler F on Oct. 22, 2019, 8:35 p.m.
+Mark E Are they saying that the golfers are reaching extension at P1 (club parallel in the backswing)? Here are a couple of graphs. Steve Elkington and Grant Waite. You'll see that the golfers are STARTING to go into extension at that point, but th…