You were simply interpreting that graph which showed that arm speed was not much greater than shoulder speed and that arm speed peaked soon after shoulder speed.
Just as cameras produce artifacts, so do the golf researchers. They confuse us with different graphs. That graph represents the view of "reality" as produced by the TPI researchers. Here is a graph produced by the Welch-Zenolink researchers, and this graph represents their view of "reality" regarding the kinetic sequence.
The blue curve represents the shoulder speed, and the green curve shows the arm speed. One can see that the arms travel much faster than the shoulders after the shoulders decelerate and that the arm speed peaks much later.
This post is traveling in the wrong direction when the baseball swing is used as an example to make a point. Notice that Englishby uses a T and not a real pitch from 60' coming at different speeds and on multiple planes. If you want to actually compare with baseball, check out Manny Rameriz, Ken Griffy Jr, Aaron, Bonds or Babe Ruth to see how players develope momentum and bat speed through the hitting area. Most ball players can hit a golfball with authority but also need radar to find some of their shots. A tournament golfer is a different animal. Please be careful when teaching young players. Get back to G.O.L.F.
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