Young’s modulus E (MPa)

Bone density p (g/cm³)

E = 0.01

p = 0.0

E = 33900p²

0.0 < p ≤ 0.27

E = 5307p + 469

0.27 < p ≤ 0.6

E = 10200p^2.01

0.6 ≤ p

Yield stress σ (MPa)

Bone density p (g/cm³)

σ = 1.0 × 10²⁰

p ≤ 0.2

σ = 137p^1.88

0.2 < p ≤ 0.317

σ = 114p^1.72

0.317 ≤ p

Poisson’s ratio

Bone density p (g/cm³)

0.4

0.0 ≤ p