Table 2.
Ligament stiffnesses for three different strain ranges ( Lig ligamentum, Long longitudinale)
| Ligaments | Stiffness (N/mm) |
Strains between (%) |
Stiffness (N/mm) |
Strains between (%) |
Stiffness (N/mm) |
Strains higher than (%) |
|---|---|---|---|---|---|---|
| Lig. long. anterius | 347 | 0–12.2 | 787 | 12.2–20.3 | 1,864 | 20.3 |
| Lig. interspinale | 1.4 | 0–13.9 | 1.5 | 13.9–20 | 14.7 | 20 |
| Lig. capsulare | 36 | 0–25 | 159 | 25–30 | 384 | 30 |
| Lig. intertransversarium | 0.3 | 0–18.2 | 1.8 | 18.2–23.3 | 10.7 | 23.3 |
| Lig. flavum | 7.7 | 0–5.9 | 9.6 | 5.9–49 | 58.2 | 49 |
| Lig. long. posterius | 29.5 | 0–11.1 | 61.7 | 11.1–23 | 236 | 23 |
| Lig. supraspinale | 2.5 | 0–20 | 5.3 | 20–25 | 34 | 25 |