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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)