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The hybrid moment applied in each model to produce the same angular motion of L3 vertebra
| Model | Moment (Nmm) |
|||
|---|---|---|---|---|
| Flexion | Extension | Lateral bending | Axial rotation | |
| Normal | 4,100 | 6,000 | 6,000 | 10,000 |
| Fusion | 5,880 | 10,712 | 7,869 | 12,992 |
| ISS-based topping off | 9,508 | 15,412 | 9,629 | 16,328 |
| PDF-based topping off | 9,991 | 16,547 | 15,712 | 21,749 |
ISS, interspinous spacer; PDF, pedicle screw-rod dynamic fixator.
