Table 2.

Sagittal diameters of the spinal cord (unit: mm)

	C1 (n = 6)	C2 (n = 6)	C3 (n = 6)	C4 (n = 6)	C5 (n = 6)	C6 (n = 6)	C7 (n = 6)
Before CRM	6.50 ± 0.03	6.54 ± 0.04	6.47 ± 0.05	6.26 ± 0.05	6.03 ± 0.04	6.03 ± 0.03	6.24 ± 0.11
CRM in flexion	6.65 ± 0.18	6.60 ± 0.21	6.09 ± 0.13	6.36 ± 0.16	5.96 ± 0.07	5.95 ± 0.05	6.01 ± 0.14
CRM in extension	7.16 ± 0.38	6.63 ± 0.21	6.62 ± 0.05	6.46 ± 0.12	6.20 ± 0.12	6.27 ± 0.11	6.36 ± 0.05
CRM in neutrality	6.78 ± 0.09	6.65 ± 0.25	6.23 ± 0.04	6.38 ± 0.09	6.10 ± 0.1	6.00 ± 0.1	6.10 ± 0.06

Data expressed as x̅ ± SD

CRM, cervical rotatory manipulation