Table 2.

Material properties

Spinal cord	E = 62.5 kPa, ν = 0.49, ρ = 1000 kg/m3
Dura	E = 1.25 MPa, ν = 0.4, ρ = 1000 kg/m3
EDS fat tissue	E = 1 kPa, ν = 0.25, ρ = 900 kg/m3
CSF and the fluid in the syrinx	K = 2.2 GPa, G = 0, ρ = 1000 kg/m3

Material properties of the anatomical layers. E = Young’s modulus, ν = Poisson’s ratio, K = bulk modulus, G = shear modulus, ρ = density