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Re: How did T. rexes hold their hands?
I had read somewhere at one point or another that T. rex (and presumably
others) may have had some downward rotating ability in the arm, as well.
Not much, but like the left arm moving from a 3:00 position to a 5:00
position. Any opinions?
In which plane? Do you just mean extension of the elbow? That was
possible -- though not by much. *Tyrannosaurus* arms had generally very
restricted motion; they seem to have been used to hold something in place.