Because of the work we have done in putting together the PureStrike 5 Simple Keys® system we have been investigating the concept of "weight" and "pressure" - where it is, where it's going, how quickly any shifts occur, and more - for several years now. We began with simple bathroom scales to measure weight in "static" positions and by observing the motion of the needles (which is delayed) with high speed video, and moved on to spend time testing on the AboutGolf Force Plate System, SAM Balance Lab and also, starting in January 2012 when it was revealed to the public, more in-depth studies with the SwingCatalyst.
As you start reading this post, you may ask "what's the point?" Or "I've heard you say somewhere that you need to feel more weight forward in the backswing or transition"… And you'd be right about the second. So isn't this just semantics? No, it's NOT.
First, we take reporting correct data to golfers seriously. We realize that it goes directly to our credibility as instructors (as well as people for that matter :-D) and the point with any of this research is never to "be right"… it is to report and explain our findings exactly as they are, and then apply what we know to better help golfers improve. Nothing more.
Second, weight forward at impact is a commonality of the game's greatest players… weight forward throughout the swing is not. 5SK is built only upon the things that the game's greatest players have in common. Since everyone has different feels that work for them, incorrect data or "bad" data can work against players quite easily. For example, if we told a golfer that research is showing top players with pressure and weight left throughout a swing, it could cause him to overdo certain things VERY easily, to his detriment.
There are two videos linked to below. The first looks at the swings of Suzann Pettersen and Grant Waite as they hit shots on the SwingCatalyst system. In it we cover how the pressure changes throughout their swings and how "looks" aren't always the same as "reality"… as well as some of the pitfalls that can be encountered using pressure plates and video (and how to avoid them :-D). The second video is a clip from the PureStrike 5 Simple Keys® DVD which was shot in January 2012.