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Table 2 Summary of mechanical properties obtained from Li & Aspden's study

From: Compressive properties of commercially available polyurethane foams as mechanical models for osteoporotic human cancellous bone

Material Property OP Bone Normal Bone
E (MPa) 247 310
  50 – 410 40 – 460
Yield strength (MPa) 2.5 3.3
  0.6 – 5.8 0.4 – 9.0
Energy absorbed to yield (kJ.m-3) 16.3 21.8
  2 – 52 2 – 90
  1. Median values and approximate ranges of the 5% – 95% confidence limits from Li & Aspden's study on the mechanical properties of human cancellous bone specimens (diameter: 9 mm, mean cylinder length: 7.7 mm) from OP femoral heads [14].