Table 1.
Long bone extrinsic and intrinsic mechanical analyses. Data were presented as means (± SD).
CON
L10
L30
Extrinsic biomechanics
Yield load (N)
82.9 (4.0)
82.0 (6.7)
80.0 (7.0)
Maximal load (N)
100.0 (7.5)
93.5 (8.9)
91.7 (8.1)
Fracture load (N)
86.0 (13.5)
86.5 (12.7)
81.1 (10.7)
Yield load energy (mJ)
19.2 (1.0)
21.0 (3.4)
20.0 (3.3)
Post-yield load energy (mJ)
42.5 (17.7)
27.8 (13.2)
*
27.1 (13.6)
*
Maximal load energy (mJ)
46.5 (11.3)
38.4 (7.1)
*
35.2 (5.6)
*
Fracture load energy (mJ)
61.8 (17.3)
48.7 (12.0)
47.1 (12.8)
Stiffness (N/mm)
222.0 (28.4)
210.1 (46.3)
205.2 (41.9)
Intrinsic biomechanics
Yield stress (MPa)
77.9 (9.2)
82.3 (11.9)
84.50 (15.9)
Yield toughness (mJ·mm
-3
)
1.62 (.14)
1.80 (.33)
1.83 (.18)
Young’ s modulus (GPa)
2.33 (.44)
2.50 (.73)
2.53 (.97)
* groups L10 and L30 were significantly lower than group CON, p< 0.05.