14 December 2021>: Clinical Research
Finite Element Analysis of Horizontal Screw-Screw Crosslink Used in C1–C2 Pedicle Screw-Rod Fixation
Beiping Ouyang 123AB* , Xiaobao Zou 12BC* , Chunshan Luo 3DE* , Tingsheng Lu 3E , Hong Xia 2FG , Xiangyang Ma 12A*DOI: 10.12659/MSM.932026
Med Sci Monit 2021; 27:e932026
Table 3 C1–C2 range of motion of each group under different loading conditions.
Model | Flexion (°) | Extension (°) | Left Lateral bending (°) | Right lateral bending (°) | Left axial rotation (°) | Right axial rotation (°) |
---|---|---|---|---|---|---|
Intact | 10.6 | 8.85 | 3.72 | 2.47 | 12.14 | 11.96 |
Unstable model | 30.21 | 22.85 | 12.77 | 11.61 | 21.61 | 22.52 |
hR-R CL | 2.93 | 2.21 | 1.26 | 1.07 | 0.30 | 0.32 |
hS-S CL | 2.96 | 2.25 | 1.24 | 1.05 | 0.28 | 0.29 |