Table 6 Left and right facet joint pressure of the L4/L5 segment

Flexion

6.535 ± 0.3719

3.793 ± 0.5276*

5.513 ± 0.1506

4.106 ± 0.2261*

Extension

5.2268 ± 0.2783

3.6318 ± 0.4171*

5.4821 ± 0.1339

3.7186 ± 0.2831*

(Left) flexion

6.5005 ± 0.1256

6.1333 ± 0.2222*

3.606 ± 0.2373

3.6972 ± 0.3444

(Right) rotation

4.0364 ± 0.0755

4.0501 ± 0.0879

5.8094 ± 0.2181

5.7974 ± 0.3311