Table 3.

Cross-sectional areas of the spinal cord (unit: mm²)

	C1 (n = 6)	C2 (n = 6)	C3 (n = 6)	C4 (n = 6)	C5 (n = 6)	C6 (n = 6)	C7 (n = 6)
Before CRM	57.73 ± 1.80	56.47 ± 0.04	57.45 ± 0.64	59.58 ± 0.87	61.04 ± 0.24	60.98 ± 0.42	59.30 ± 0.67
CRM in flexion	54.73 ± 2.45	52.71 ± 0.85	52.82 ± 1.06	56.02 ± 0.90	58.81 ± 0.54	59.49 ± 0.47	56.68 ± 0.95
CRM in extension	53.82 ± 2.31	55.77 ± 1.23	56.88 ± 1.22	60.03 ± 0.50	60.55 ± 0.40	60.34 ± 0.74	59.40 ± 0.48
CRM in neutrality	53.58 ± 1.10	55.02 ± 1.25	55.32 ± 0.67	57.27 ± 0.71	59.7 ± 0.55	59.41 ± 0.74	57.45 ± 0.86

Data expressed as x̅ ± SD

CRM, cervical rotatory manipulation