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Re: "Acro" ribcage dilemma
> In the show, Dale Russell suggests something to the
> effect that because the ribcage of _Acrocanthosaurus_ was so narrow, the
> animal would have relied solely on an anaerobic metabolism when chasing
> since it would not have had the capacity to inhale much air in times
> strenuous activity. That said, that's about all that the explanation the
> viewer got, and so I was just wondering if anyone might be able to
> on this for me.
Were air sacs taken into account???
> Were there any other theropods that might have exhibited
> this adaptation?
AFAIK all theropod ribcages are very narrow.