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Table 2 Predicted ROMs under different physiological conditions compared with other studies

From: Biomechanical study of C1 posterior arch crossing screw and C2 lamina screw fixations for atlantoaxial joint instability

Load

Segments

Panjabi 1991

Karin Brolin 2004

Hao Zhang 2007

This study

Flexion

C0-1

14.4 ± 3.2

18.2

14.5

8.34

C1-2

12.7 ± 3.2

11.3

15.0

11.2

Extension

C0-1

14.4 ± 3.2

10.5

13.3

8.69

C1-2

10.5 ± 5.0

14.0

12.7

7.33

Lateral bending

C0-1

5.6 ± 3.0

3.0

5.5

3.61

C1-2

12.6 ± 7.0

4.0

5.9

5.17

Axial rotation

C0-1

3.3 ± 2.3

6.1

8.5

4.7

C1-2

37.4 ± 9.0

23.3

30.6

28.34