Table 2.

Pointwise best fit material parameters for Tgfb1^+/−, Tgfb2^+/−, Tgfb3^+/−, WT, and elastase ATAs using the 4-fiber-family Holzapfel-Gasser-Ogden (HGO) model with averaged data.

	Isotropic	Axial Fibers		Circ. Fibers		Diagonal Fibers			Error
	c (kPa)	$c_1^1$ (kPa)	$c_2^1$	$c_1^2$ (kPa)	$c_2^2$	$c_1^{3,4}$ (kPa)	$c_2^{3,4}$	α (rad)	RMSE
Tgfb1+/−	7.200	10.41	0.003	1.816	1.35×10−6	5.337	0.233	0.761	0.200
Tgfb2+/−	4.349	4.956	0.022	0.027	0.071	1.377	0.257	0.807	0.167
Tgfb3+/−	8.317	7.193	0.002	0.967	1.01×10−6	3.950	0.278	0.821	0.181
WT	7.825	8.233	0.009	0.285	0.043	3.939	0.267	0.794	0.196
Elastase	1.489	3.315	6.277	14.68	10.28	2.882	19.48	0.705	0.039