TABLE 3.

Collection of experimental references for stretch-stress data given in Figures 7, 8, together with optimized values for initial fiber orientation and collagen volume fraction, in order to reach the coefficients of determination and the residual errors in the last two columns; all other model input data are found in Table 4.

	Reference	Tendon	Species	${\theta }_{col}^{ini}$	$f_{col}^{fas}$	R 2	ɛ (%)
0	Sasaki and Odajima (1996b)	Achilles	bovine	25	0.75	0.951	0.20
1	Lewis and Shaw (1997)	Achilles	young human	22.5	0.675	0.983	0.13
2	Hashemi et al. (2005)	PT	young human	17.5	0.65	0.990	0.09
3	Hashemi et al. (2005)	PT	young human	27.5	0.6	0.984	0.22
4	Butler et al. (1986)	PT	young human	12.5	0.725	0.894	0.16
5	Butler et al. (1986)	ACL	young human	17.5	0.675	0.990	0.08
6	Butler et al. (1986)	LCL	young human	17.5	0.625	0.979	0.14
7	Butler et al. (1986)	PCL	young human	17.5	0.6	0.993	0.09
10	Screen et al. (2004b)	tail	Wistar rats	30	0.8	0.914	0.29
12	Screen et al. (2004b)	tail	Wistar rats	35	0.8	0.770	0.57
13	Screen et al. (2004b)	tail	Wistar rats	37.5	0.8	0.738	0.55
14	Screen et al. (2004b)	tail	Wistar rats	32.5	0.725	0.788	0.53

PT, patellar tendon; ACL, anterior cruciate ligament; LCL, lateral colateral ligament; PCL, posterior cruciate ligament.