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Table 1 Assumed moduli of the vertebra

From: System reliability analysis of the scoliosis disorder

 Modulus of elasticity (MPa.)Poisson’s ratio
Cortical boneExx = 11,300vxy = 0.484
Eyy = 11,300 
Ezz = 22,000vyz = 0.203
Gxy = 3800 
Gyz = 5400vxz = 0.203
Gxz = 5400 
Cancellous boneExx = 140vxy = 0.450
Eyy = 140 
Ezz = 200vyz = 0.315
Gxy = 48.3 
Gyz = 48.3vxz = 0.250
Gxz = 48.3