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.