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RE: T. rex was a 'slow-turning plodder'...

The vertebral column is dorsal so the CM will go that way if you add its
bones; ventral leg/pubic bones will tend to lower it but not so much (as
mass of VC is larger). Gastralia etc are probably too tiny to have much

--John R. Hutchinson 

> -----Original Message-----
> From: Mike Taylor [mailto:mike@indexdata.com] 
> Sent: 09 June 2007 10:29
> To: jrhutch@rvc.ac.uk
> Cc: 'DML'
> Subject: RE: T. rex was a 'slow-turning plodder'...
> John Hutchinson writes:
>  > The model is flexible enough that you can add as many regions of
>  > density as you want (we could put in a whole skeleton and give it
>  > bone density), but you gotta stop somewhere. My suspicion is that
>  > adding bones would raise leg density a bit and lift the whole body
>  > CM a bit dorsally (toward the vertebral column), but not much else.
> Er.  Surely if you add mass to the ventral portion of an object, the
> CM moves centrally?  What am I missing?
>  _/|_  
> ___________________________________________________________________
> /o ) \/  Mike Taylor    <mike@indexdata.com>    
> http://www.miketaylor.org.uk
> )_v__/\  Everything is not lost.  It's probably just down the back of
>        the sofa.