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Table 3 Constant reposition errors of cervical joint

From: Cervical spine reposition errors after cervical flexion and extension

Joints Flexion Extension Setup adaptation Complete Session
Average 0.21 ± 0.28 0.01 ± 0.30 0.12 ± 0.45 0.34 ± 0.44
C0/C1 1.74 ± 0.88 1.74 ± 0.68 −4.82 ± 1.98* −1.35 ± 2.01
C1/C2 0.05 ± 0.79 −0.66 ± 1.20 1.66 ± 1.09 1.06 ± 1.33
C2/C3 −0.70 ± 0.71 −0.52 ± 0.60 1.96 ± 0.67 0.74 ± 0.71
C3/C4 −0.63 ± 0.58 −0.65 ± 0.69 0.25 ± 0.81 0.27 ± 0.54
C4/C5 1.49 ± 0.61 −0.37 ± 0.66 −0.32 ± 0.69 0.80 ± 0.80
C5/C6 −0.31 ± 0.67 0.27 ± 0.79 0.42 ± 0.76 0.38 ± 0.85
C6/C7 −0.29 ± 0.78 −1.14 ± 0.81 1.89 ± 0.98 0.46 ± 1.37
  1. Mean (± SEM) of reposition errors in degrees from tasks defined in Table 1 (‘flexion’, ‘extension’, ‘setup adaptation’ and ‘complete session’). Significantly different from C2/C3 (*, P < 0.05)