On Mon, 15 Nov 2010, Augusto Haro wrote:
This would also have the consequence of a heavier tail, which would better equilibrate the gravity mass if the femur was closer to the vertical (the relatively larger the mass of the tail, the more erect the femur can conceivably be in an equilibrated walking/standing theropod).
Yes, depictions of these creatures have always seemed front heavy to me, as if they'd fall face first...