LynnBlakeGolf Forums - View Single Post - Horizontal hinging versus swivel Thread: Horizontal hinging versus swivel View Single Post #9 05-15-2008, 06:20 PM golfbulldog Senior Member Join Date: Dec 2005 Posts: 647 Jeff, I have always seen the hinge action as a form of external rotation of the upper arm without independent action of the radius and ulna... and swivel is primarily a radius and ulna action with minimal further external rotation at the left shoulder.... I think that you are saying something similar? golfbulldog View Public Profile Send a private message to golfbulldog Find all posts by golfbulldog