Components | Young’s modulus (MPa) | Poisson’s ratio | Cross-sectional area (mm2) |
---|---|---|---|
Cortical | 12,000 | 0.3 | NA |
Cancellous | 100 | 0.3 | NA |
Endplate | 1000 | 0.3 | NA |
Posterior structure | 3500 | 0.3 | NA |
Bone graft | 3500 | 0.3 | NA |
Facet cartilage | 10 | 0.4 | NA |
Annulus fibre | 450 | 0.45 | NA |
Implants | 110,000 | 0.3 | NA |
Nucleus pulpous | Mooney–Rivlin, C10 = 0.12, C01 = 0.03 | NA | |
Annulus ground | Mooney–Rivlin, C10 = 0.18, C01 = 0.045 | NA | |
Anterior longitudinal | 7.8 (< 12), 20 (> 12%) | 63.7 | |
Posterior longitudinal | 10 (< 11%), 20 (> 11%) | 20 | |
Ligamentum flavum | 15 (< 6.2%), 19.5 (> 6.2%) | 40 | |
Capsular | 7.5 (< 25%), 32.9 (> 25%) | 30 | |
Interspinous | 10 (< 14%), 11.6 (> 14%) | 40 | |
Supraspinous | 8.0 (< 20%), 15 (> 20%) | 30 | |
Intertransverse | 10 (< 18%), 58.7 (> 18%) | 1.8 |