Table 2 Validation of the intact model
From: A novel Z-shaped anti-rotation rod for atlantoaxial dislocation reduction: finite element analysis
Segments | Motion (°) | Panjabi (1988) | Zhang et al. (2007) | Ouyang et al. (2021) | This Study |
|---|---|---|---|---|---|
C0-C1 | Flexion | 3.50 ± 0.60 | 14.50 | / | 7.24 |
C1-C2 | Flexion | 11.50 ± 2.00 | 15.00 | 10.60 | 13.16 |
C0-C1 | Extension | 21.00 ± 1.90 | 13.30 | / | 16.11 |
C1-C2 | Extension | 10.90 ± 1.10 | 12.70 | 8.85 | 6.16 |
C0-C1 | Lateral bending | 5.60 ± 0.70 | 5.50 | / | 3.86 |
C1-C2 | Lateral bending | 4.00 ± 0.80 | 5.90 | 6.19 | 2.02 |
C0-C1 | Axial rotation | 7.90 ± 0.60 | 8.50 | / | 4.97 |
C1-C2 | Axial rotation | 38.30 ± 1.70 | 30.60 | 24.10 | 26.01 |