Table 1.

Fatigue properties of fascicles and IFM from the SDFT and CDET. Data are displayed as mean ± SD. Significant differences between tendon types identified by: ^ap < 0.05; ^bp < 0.01; ^cp < 0.001.

	Fascicles		Interfascicular matrix
SDFT	CDET	SDFT	CDET
Diameter (mm)	0.33 ± 0.14	0.37 ± 0.09b	–	–
Load applied (N)	3.68 ± 1.46	4.80 ± 1.88	1.15 ± 0.85	1.29 ± 1.28
Stress applied (MPa)	52.81 ± 28.62	47.99 ± 22.26	–	–
Number of cycles to failure	2709 ± 4819	139 ± 157c	921 ± 1947	215 ± 145b
Gradient of maximum creep curve	0.0014 ± 0.0023	0.013 ± 0.012c	0.0029 ± 0.0039	0.0082 ± 0.0046b
Gradient of minimum creep curve	0.00059 ± 0.00099	0.0054 ± 0.0091c	0.0012 ± 0.0014	0.0039 ± 0.0031
Hysteresis (%): Cycle 1–10	26.26 ± 7.31	34.05 ± 7.92b	30.57 ± 12.24	41.57 ± 12.48
Cycle 11–19	14.91 ± 4.23	23.77 ± 6.60c	20.38 ± 7.73	29.06 ± 12.74
Mid test cycles	12.22 ± 3.70	21.48 ± 7.56c	15.08 ± 6.69	22.06 ± 7.63b
Last 10 cycles	39.93 ± 11.05	53.12 ± 15.86c	53.32 ± 10.06	69.44 ± 11.38b
Loading stiffness (N/mm): Cycle 1	5.21 ± 1.75	6.23 ± 1.97a	2.69 ± 1.23	2.82 ± 1.37
Cycle 10	5.18 ± 1.82	5.36 ± 2.00	2.50 ± 1.29	2.03 ± 1.25a
Mid test cycle	4.23 ± 1.51	5.36 ± 1.33	2.54 ± 1.05	1.90 ± 1.04
10 cycles before failure	2.85 ± 1.10	4.51 ± 1.27c	2.06 ± 0.74	1.43 ± 0.77
Last cycle	2.50 ± 0.88	3.68 ± 1.36c	1.57 ± 0.60	1.32 ± 0.86
Unloading stiffness (N/mm): Cycle 1	8.56 ± 3.43	10.54 ± 3.25	4.73 ± 1.64	5.50 ± 2.22
Cycle 10	7.38 ± 2.90	8.23 ± 2.76	4.08 ± 1.79	3.70 ± 2.05
Mid test cycle	6.46 ± 2.44	8.39 ± 1.70	3.86 ± 1.44	3.25 ± 1.59
10 cycles before failure	5.35 ± 1.84	7.83 ± 2.18a	3.62 ± 1.00	2.70 ± 1.43
Last cycle	5.89 ± 2.49	9.06 ± 4.46a	3.64 ± 1.26	4.05 ± 2.19
Elongation (mm): Cycles 1–10	0.063 ± 0.042	0.29 ± 0.25c	–	–
Cycles 1-failure	1.79 ± 0.49	1.42 ± 0.41a	2.18 ± 1.82	1.32 ± 0.72