Table 7 Maximum stress values for cage in the four models (MPa)
Model | Flexion | Extension | Left bending | Right bending | Left rotation | Right rotation |
|---|---|---|---|---|---|---|
Si-segment | ||||||
 OLIF + BPS | 11.5 | 32.6 | 8.9 | 12.8 | 11.3 | 14.2 |
 OLIF + LPS | 33.5 | 45.0 | 33.9 | 15.7 | 21.5 | 30.1 |
Do-segment | ||||||
 OLIF + BPS | 11.8 | 32.7 | 9.1 | 7.6 | 11.6 | 13.7 |
 OLIF + LPS | 38.8 | 45.0 | 36.7 | 15.0 | 27.4 | 27.6 |