Table 9 Finite element analysis of L3–L4 lumbar ROM (°)
Upright | Anteflexion | Rear protraction | Right lateral bending | Left lateral bending | Left axial rotation | Right axial rotation | |
|---|---|---|---|---|---|---|---|
Normal | 1.8073 | 4.8739 | 5.1141 | 3.9043 | 3.4134 | 4.6831 | 4.6772 |
Coflex | 1.1788 | 2.6823 | 2.1049 | 1.6505 | 3.1443 | 4.1651 | 4.6857 |
PLIF | 1.0288 | 1.1214 | 2.1049 | 2.0873 | 3.1128 | 2.7848 | 3.287 |