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Re: femoral posture

On Fri, 15 Jan 1999 GSP1954@aol.com wrote:

> Concerning the observation that modern birds have immobile, nearly horizontal
> femora. Not really true. Femoral excursion is quite extensive - to nearly
> vertical - when birds are running full tilt. It is when they are walking that
> there is little femoral action. 
> GSPaul

Okay, okay.  But when the bird is running, it has forward momentum to
carry it forward without toppling over.  It is when it is standing or
walking slowly that it becomes important to have the legs under the center
of the body.

Nick Pharris
Pacific Lutheran University
Tacoma, WA 98447