Thanks, Jeff. With regards to Plane Angle Variation (Component #7) -- and making a mental adjustment for camera placement, especially in Tiger's case -- what conclusion(s) do you draw from these photos?
I only know that there are significant variations in how golfers look in their late downswing. There are golfers like Toms/Furyk/Hogan who have their right elbow tucked well into their side with a significantly bent right elbow at impact. Then, there are golfers like Tiger Woods who lets his right elbow move well away from his right hip pre-impact and that causes his right elbow to be be straighter. TW has less plane shift than DT.
In general, I think that most golfers have a shallower clubshaft plane at impact than the angle of the TSP.
See the next photo.
I have noticed that most professional golfers, irrespective of their end-backswing clubshaft position, tend to shallow their clubshaft angle in the downswing so that they reach the delivery position on a shallower plane - roughly 45 degrees (+/- 5 degrees). I generally never see professional golfers coming steeply down the TSP line.
I only know that there are significant variations in how golfers look in their late downswing. There are golfers like Toms/Furyk/Hogan who have their right elbow tucked well into their side with a significantly bent right elbow at impact. Then, there are golfers like Tiger Woods who lets his right elbow move well away from his right hip pre-impact and that causes his right elbow to be be straighter. TW has less plane shift than DT.
In general, I think that most golfers have a shallower clubshaft plane at impact than the angle of the TSP.
See the next photo.
I have noticed that most professional golfers, irrespective of their end-backswing clubshaft position, tend to shallow their clubshaft angle in the downswing so that they reach the delivery position on a shallower plane - roughly 45 degrees (+/- 5 degrees). I generally never see professional golfers coming steeply down the TSP line.
You wrote-: "Please read 10-6-A. Tell me which pics are the "flattest normal plane"?
What are you trying to get at? I have no idea.
In a general sense, the flattest normal plane at impact is dictated by the club - it is the plane that allows the lie of the club to be "normal" (sole of the club to be horizontal to the ground) at impact, so that the the heel of the club doesn't hit the ground first.
Could you now offer a 'from the Top' photo comparison of Tiger and Sergio? Ideally, the sequence (and the lines you draw) will differentiate Top, Start Down, Downstroke, Release and Impact.
Then pontificate.
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