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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

Best, David



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