Table 5. Effects of articular cartilage and posture on forward velocity of slow running and fast running theropod dinosaurs.

Taxon	No CCF						Gator CCF						Ostrich CCF
	T. rex		Struthio		Col		T. rex		Struthio		Col		T. rex		Struthio		Col
	FR 1	FR 16	FR 1	FR 16	FR 1	FR 16	FR 1	FR 16	FR 1	FR 16	FR 1	FR 16	FR 1	FR 16	FR 1	FR 16	FR 1	FR 16
Herrerasaurus	2.77	11.09	2.95	11.28	3.09	11.21	2.82	11.78	3.00	12.00	3.15	11.92	2.80	12.36	2.98	12.59	3.13	12.51
Coelophysis	2.24	8.97	2.36	9.10	2.47	9.05	2.28	9.46	2.40	9.61	2.51	9.55	2.26	9.89	2.39	10.05	2.50	9.99
Dilophosaurus	3.67	14.68	3.88	14.90	4.06	14.81	3.72	15.50	3.94	15.75	4.13	15.65	3.70	16.23	3.91	16.50	4.10	16.40
Allosaurus	4.02	16.09	4.27	16.36	4.48	16.26	4.09	17.08	4.35	17.39	4.56	17.28	4.06	17.93	4.32	18.26	4.53	18.13
Compsognathus	1.35	5.39	1.42	5.47	1.49	5.44	1.37	5.69	1.44	5.78	1.51	5.74	1.36	5.95	1.44	6.05	1.50	6.01
Velociraptor	2.12	8.48	2.25	8.62	2.35	8.56	2.15	8.98	2.28	9.14	2.39	9.08	2.14	9.41	2.27	9.58	2.38	9.51
Archaeopteryx	1.24	4.97	1.31	5.04	1.36	5.01	1.26	5.22	1.33	5.30	1.39	5.27	1.25	5.46	1.32	5.54	1.38	5.51
Small tyrannosaur	3.29	13.17	3.47	13.37	3.63	13.29	3.34	13.89	3.53	14.11	3.69	14.02	3.32	14.53	3.51	14.76	3.67	14.67
Tyrannosaurus	5.41	21.63	5.72	21.97	6.00	21.84	5.49	22.90	5.82	23.28	6.10	23.14	5.46	24.00	5.78	24.41	6.06	24.26

T. rex posture (124°, knee; 147°, ankle), Struthio posture (109°, knee; 142°, ankle), and columnar (Col) posture. All values are ms⁻¹. Limb length data were taken from Sereno and Arcucci [79] and Hutchinson [69].