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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
  1. Values are presented as mean ± SE. Values with different superscript letters within rows are significantly different (p < 0.05)