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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 bone

Exx = 11,300

vxy = 0.484

Eyy = 11,300

 

Ezz = 22,000

vyz = 0.203

Gxy = 3800

 

Gyz = 5400

vxz = 0.203

Gxz = 5400

 

Cancellous bone

Exx = 140

vxy = 0.450

Eyy = 140

 

Ezz = 200

vyz = 0.315

Gxy = 48.3

 

Gyz = 48.3

vxz = 0.250

Gxz = 48.3

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