. 2023 Jun 14;11:1178199. doi: 10.3389/fbioe.2023.1178199

TABLE 6.

Constitutive equation parameters of the different segments in the different age groups.

Group	Segment	K (mm ² /N)	C _θθ	C _ZZ	C _θZ	ε	R ²
27–35 years	Proximal segment	0.082	2.753	6.194	0.399	0.075	0.975
27–35 years	Distal segment	0.082	5.896	12.084	13.492	0.044	0.990
36–45 years	Proximal segment	0.024	7.390	19.626	13.972	0.031	0.993
36–45 years	Distal segment	0.069	4.171	7.732	8.204	0.070	0.973
46–55 years	Proximal segment	0.032	6.766	14.811	0.057	0.047	0.987
46–55 years	Distal segment	0.051	8.201	12.283	0.142	0.036	0.987
56–65 years	Proximal segment	0.060	6.211	10.154	1.680	0.029	0.991
56–65 years	Distal segment	0.020	13.921	18.735	2.804	0.030	0.982
66–75 years	Proximal segment	0.049	15.031	17.208	0.838	0.033	0.989
66–75 years	Distal segment	0.037	28.941	13.056	2.419	0.016	0.996
76–86 years	Proximal segment	0.027	23.922	26.395	0.636	0.020	0.989
76–86 years	Distal segment	0.039	26.787	17.259	0.990	0.028	0.993
All	Proximal segment	0.151	17.103	23.950	36.465	0.039	0.992
All	Distal segment	0.067	7.786	6.911	0.230	0.035	0.988