Applied Bionics and Biomechanics / 2019 / Article / Tab 1

Research Article

Presentation of an Approach on Determination of the Natural Frequency of Human Lumbar Spine Using Dynamic Finite Element Analysis

Table 1

The material parameters of the poroelastic lumbar FE model.

Elastic formulationPoroelastic formulationReferences
Elastic modulus (MPa)Poisson’s ratioPermeability (m4/Ns)Void ratio

Cancellous boneLinear elastic1000.21e−130.4[15, 19, 23]
Cortical boneLinear elastic10,0000.31e−200.02[15, 19, 23]
Annulus fibrosusLinear elastic357–5500.3[22]
Annulus ground substanceHyperelasticC10 = 0.315, D = 0.6889e−162.33[15, 20, 24]
Nucleus pulposusHyperelasticC10 = 0.125, D = 2.4753e−164[15, 20, 24]
Ligament/facetHyperelasticFitting from previous experiment[21]

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