Table 5 Anti-directional joint motion. Table 5 shows anti-directional end-range motion and anti-directional surplus motion for flexion and extension

C0/C1

5

2.93 ± (1.53)

13

2.18 ± (1.93)

1

2.72

12

2.15 ± (1.42)

C1/C2

5

5.97 ± (2.68)

14

3.11 ± (4.67)

4

3.72 ± (0.98)

8

2.47 ± (1.73)

C2/C3

1

2.16

14

2.08 ± (1.71)

4

1.84 ± (1.48)

15

2.83 ± (1.82)

C3/C4

–

–

13

1.26 ± (0.92)

1

0.3

14

1.78 ± (1.30)

C4/C5

–

–

9

1.20 ± (1.07)

–

–

10

1.65 ± (1.23)

C5/C6

–

–

16

1.27 ± (1.03)

–

–

15

1.23 ± (0.87)

C6/C7

1

0.32

18

2.04 ± 1.75)

4

–

21

1.80 ± (1.38)