Table 4 Intrinsic and extrinsic biomechanical properties of the femur by three-point bending test
From: Effects of dietary gelatin hydrolysates on bone mineral density in magnesium-deficient rats
| Normal | MgD | FGH | PGH | |
|---|---|---|---|---|
| Intrinsic biomechanical properties | ||||
| Ultimate stress (MPa) | 141 ± 4 | 134 ± 6 | 129 ± 4 | 132 ± 1 |
| Young’s modulus (MPa) | 1555 ± 68a | 1250 ± 71b | 1168 ± 66b | 1138 ± 53b |
| Extrinsic biomechanical properties | ||||
| Ultimate force (N) | 108 ± 3 | 115 ± 4 | 113 ± 3 | 122 ± 5 |
| Ultimate displacement (mm) | 1.00 ± 0.02a | 1.14 ± 0.03a, b | 1.18 ± 0.05b | 1.23 ± 0.06b |
| Work to failure (mJ) | 62.6 ± 3.0 | 66.3 ± 4.3 | 65.4 ± 2.1 | 76.2 ± 5.2 |
| Stiffness (N/mm) | 81.4 ± 1.8 | 85.3 ± 2.6 | 80.4 ± 3.1 | 87.1 ± 1.9 |
