Mechanical properties of the bone, cartilaginous endplates, ligaments, fixation rods and screws
| Component | Young modulus [MPa] | Poisson ratio [−] | Section area [mm2] |
|---|---|---|---|
| Cortical bone | 12,000 | 0.3 | – |
| Trabecular bone | 100 | 0.2 | – |
| Cartilaginous endplates | 24 | 0.4 | – |
| Anterior longitudinal (ALL) | 11.9 | 0.3 | 8.00 |
| Capsular (CL) | 7.7 | 0.3 | 5.00 |
| Interspinous (ISL) | 3.4 | 0.3 | 6.67 |
| Intertransverse (ITL) | 3.4 | 0.3 | 2.50 |
| Flavum (LF) | 2.4 | 0.3 | 13.33 |
| Posterior longitudinal (PLL) | 12.5 | 0.3 | 4.00 |
| Supraspinous (SSL) | 3.4 | 0.3 | 10.00 |
| Screws and rods | 110,000 | 0.3 | – |
| Component | Young modulus [MPa] | Poisson ratio [−] | Section area [mm2] |
|---|---|---|---|
| Cortical bone | 12,000 | 0.3 | – |
| Trabecular bone | 100 | 0.2 | – |
| Cartilaginous endplates | 24 | 0.4 | – |
| Anterior longitudinal (ALL) | 11.9 | 0.3 | 8.00 |
| Capsular (CL) | 7.7 | 0.3 | 5.00 |
| Interspinous (ISL) | 3.4 | 0.3 | 6.67 |
| Intertransverse (ITL) | 3.4 | 0.3 | 2.50 |
| Flavum (LF) | 2.4 | 0.3 | 13.33 |
| Posterior longitudinal (PLL) | 12.5 | 0.3 | 4.00 |
| Supraspinous (SSL) | 3.4 | 0.3 | 10.00 |
| Screws and rods | 110,000 | 0.3 | – |
Note(s): Geometrical properties of the ligaments
Source(s): Authors’ own creation
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