Table 1.

Median range of motion (ROM) values for lateral bending in degrees (first line) and p values

	1. Intact	2. Cage	3a. NC-LM	4a. C-LM	3b. NC-P	4b. C-P	5. 360°	6. OAP
ROM	11.2	10.7	4.3	1.1	1.3	0.8	0.8	6.7
2. Cage	0.4631	–	–	–	–	–	–	–
3a. NC-LM	0.0277	0.0277	–	–	–	–	–	–
4a.C-LM	0.0277	0.0277	0.0277	–	–	–	–	–
3b. NC-P	0.0277	0.0277	0.0277	0.6858	–	–	–	–
4b. C-P	0.0277	0.0277	0.0277	0.1380	0.0679	–	–	–
5. 360°	0.0277	0.0277	0.0277	0.4631	0.3454	0.3454	–	–
6. OAP	0.0277	0.0277	0.0464	0.0277	0.0277	0.0277	0.0277	–

1. Stable testing

2. Testing after destabilization and cage insertion

3a. Additional non-constrained screw and rod system with lateral mass screws

3b. Non-constrained system with pedicle screws instead of lateral mass screws

4a. Constrained screw and rod system with lateral mass screws

4b. Constrained system with pedicle screws instead of lateral mass screws

5. 360° set-up

6. Anterior plate