Table 2 The von Mises stresses (MPa) on the T12 vertebral body
| Â | Vertical compression | Flexion | Left flexion | Right flexion | ||||
|---|---|---|---|---|---|---|---|---|
| Â | Pre | Post | Pre | Post | Pre | Post | Pre | Post |
Grade 0 | 33.282 | 10.252 | 101.89 | 9.6296 | 37.54 | 11.08 | 33.159 | 10.433 |
Grade 1 | 49.84 | 7.6211 | 115.07 | 7.641 | 49.831 | 11.39 | 49.893 | 10.575 |
Grade 2 | 59.93 | 10.392 | 139.52 | 10.505 | 59.931 | 10.396 | 59.927 | 10.431 |
Grade 3 | 68.966 | 7.3754 | 181.93 | 7.9141 | 68.97 | 10.629 | 68.954 | 12.681 |