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Table 3 Segmental ROM of each group under different loading conditions

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

  Flexion (°)Extension (°)Lateral bending (°)Axial rotation (°)
IntactC0-18.348.693.614.7
C1-211.27.335.1728.34
C0-219.5416.028.7833.04
C1PS + C2PSC0-14.33.773.45.4
C1-20.601.10.6
C0-24.873.774.355.82
ClPAS + C2PSC0-15.14.42.84.6
C1-200.20.30.4
C0-25.14.643.054.9
ClPS + C2LSC0-14.493.83.13.9
C1-20.20.30.20.3
C0-24.693.853.24.1