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Re: Hadrosaur defense.



Michael wrote:
> Seriously, put a broom between your legs with your right foot
> forward and slightly bent at the knee with your left leg extended
> behind you.  Now turn your hips 90 degrees counterclockwise so the
> left foot is forward and the right extended behind you.  Check out
> the end of the broom handle and imagine it weighs 500 to 1000 lbs.
> Even if it weighs less, it is going to have some energy.  Still, just
> imagining and wondering.

   Knowing that much of this motion in humans envolves the use of the
gluteus maximus muscle, and believing that dinosaurs don't have a
gluteous maximus (or minimus for that matter), could what bipedal
dinosaurs DID have near the hips and butt do this motion?  (The twist?)
   Or would all twists be done at the knees and ankles?  Is that maybe
why bipedal dinosaurs didn't develop a patella?  So they could twist at
the leg joints better?
-- 
           Betty Cunningham  
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