Table 1 Mean ROMs of the bend and rotation tests
From: A biomechanical comparison between cortical bone trajectory fixation and pedicle screw fixation
CBT (°) | PS (°) | ||||||
|---|---|---|---|---|---|---|---|
Intact | Injured | Fixed | Intact | Injured | Fixed | ||
Bend test | Anterior | 7.8 ± 1.8 | 11.2 ± 2.4 | 2.3 ± 0.9 | 7.1 ± 2.1 | 10.4 ± 3.3 | 3.1 ± 1.8 |
Antero-right | 8.2 ± 2.0 | 12.2 ± 3.2 | 2.3 ± 0.9 | 7.4 ± 1.8 | 10.6 ± 2.7 | 2.6 ± 1.7 | |
Right | 8.4 ± 2.2 | 10.6 ± 2.7 | 1.8 ± 0.5 | 7.9 ± 2.1 | 10.1 ± 1.2 | 2.4 ± 1.4 | |
Postero-right | 7.1 ± 1.1 | 8.6 ± 1.6 | 1.8 ± 0.5 | 6.8 ± 1.3 | 8.9 ± 2.1 | 2.2 ± 0.8 | |
Posterior | 7.0 ± 1.2 | 9.8 ± 1.9 | 1.9 ± 0.8 | 7.4 ± 2.1 | 10.4 ± 3.5 | 2.9 ± 1.4 | |
Postero-left | 6.9 ± 1.5 | 9.3 ± 2.4 | 1.8 ± 0.5 | 7.3 ± 1.7 | 9.3 ± 1.4 | 2.7 ± 1.2 | |
Left | 7.8 ± 2.1 | 10.6 ± 3.1 | 2.1 ± 0.7 | 8.4 ± 1.9 | 10.3 ± 2.1 | 2.5 ± 1.7 | |
Antero-left | 8.0 ± 1.7 | 12.2 ± 3.2 | 2.0 ± 0.5 | 7.5 ± 1.6 | 10.4 ± 2.0 | 3.2 ± 2.1 | |
Rotation test | Left | 1.4 ± 0.6 | 7.0 ± 2.0 | 2.7 ± 0.9 | 1.5 ± 1.0 | 7.3 ± 2.1 | 3.0 ± 1.7 |
Right | 1.4 ± 0.7 | 7.0 ± 2.0 | 2.7 ± 1.0 | 1.5 ± 0.8 | 7.1 ± 2.0 | 3.2 ± 1.7 | |