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Re: pterosaur femora sprawl


----- Original Message -----

, to open their wings and take off. 

You've got the order reversed.

Now, if they rebounded into the air from some sort of momentary spring-loaded crouch that you are envisioning

You're misinterpreting what Mike, John, and I have been saying. They do preload both the fore and hindlimbs when launching, but it's not that big a contributor to total lauch power. The major launch force is muscle driven forelimb power
JimC


















Best, David 

Cheers,

--Mike



Michael Habib, M.S.
PhD. Candidate
Center for Functional Anatomy and Evolution
Johns Hopkins School of Medicine
1830 E. Monument Street
Baltimore, MD 21205
(443) 280-0181
habib@jhmi.edu