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

From: The global end-ranges of neck flexion and extension do not represent the maximum rotational ranges of the cervical intervertebral joints in healthy adults - an observational study

  Anti-directional flexion Anti-directional extension
End-range Surplus End-range Surplus
Joints Count Mean ± SD Count Mean ± SD Count Mean ± SD Count Mean ± SD
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)
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Chiropractic & Manual Therapies

ISSN: 2045-709X