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The only thing I can think of right now that goes against that is I know Brian said in the Mike Austin analysis that he felt Austin's swing was a swing that wouldn't be too bad on the body. (I think he said something like that)
MA spent his life perfecting a golf swing that was in harmony with the way the body would want to move to create a powerful action without damaging itself..
And TBH, I think he succeeded..
If you look at Mike's action very, very carefully, you will find it contains elements that contribute to relieving adverse physical pressures during the swing..
One, for example, is the completion of the backswing without unduly stressing the lower back muscles or joints, due to the fact that Mike didn't put limitations on the hip rotation as modern teachers do...
I've got dvd of Mike hitting the ball at 77 years old and you couldn't ask to see a nicer swing...and probably more powerful than the wind-up (your hips against your shoulders) merchants...
Here's a couple of swing sequences for you. Note how straight the lower back is more or less throughout the swing:
http://i121.photobucket.com/albums/o233/andrew7_bucket/yellowshirtfront.jpg
http://i121.photobucket.com/albums/o233/andrew7_bucket/yellowshirt.jpg