A 3D subject-specific model of the spinal subarachnoid space with anatomically realistic ventral and dorsal spinal cord nerve rootlets

Table 1 Anatomic measurements obtained from the final 3D spine model

		Dorsal rootlet measurements (average of left and right)				Ventral rootlet measurements (average of left and right)
Nerve root #	Z position (mm from FM)	Descending angle (º)	Radicular line (mm)	Diameter (mm)	Number of rootlets	Descending angle (º)	Radicular line (mm)	Diameter (mm)	Number of rootlets
C1	6.1	6.8	10.1	0.7	4	− 7.8	8.3	0.7	3
C2	19.8	19.4	10.6	0.7	4	− 8.5	11.1	0.7	4
C3	38.9	45.2	15.5	0.7	6	28.3	13.7	0.7	5
C4	55.3	42.9	17.1	0.8	5	37.0	13.3	0.8	5
C5	71.1	47.5	13.9	0.8	5	37.3	10.7	0.8	5
C6	87.3	51.9	12.6	0.9	4	39.5	12.8	0.9	4
C7	105.4	54.8	11.5	1.0	4	59.6	4.9	1.0	4
C8	118.3	68.9	7.4	0.9	2	58.6	5.2	0.9	2
T1	132.3	70.2	6.1	1.1	3	64.3	7.5	1.1	3
T2	148.7	72.3	7.2	1.1	2	69.9	6.0	1.1	2
T3	169.2	70.4	7.1	1.1	2	68.6	7.2	1.1	2
T4	187.8	69.2	8.0	1.1	2	65.8	6.1	1.1	2
T5	209.9	73.5	10.5	1.1	2	73.1	9.7	1.1	2
T6	230.5	76.8	8.1	1.1	2	76.2	6.4	1.1	2
T7	258.0	78.7	8.2	1.1	2	78.7	8.5	1.1	2
T8	277.2	79.8	8.0	1.1	2	79.8	10.5	1.1	2
T9	307.5	79.7	8.3	1.1	2	79.7	6.1	1.1	2
T10	333.3	77.7	8.5	1.1	2	77.7	8.3	1.1	2
T11	366.2	77.4	8.5	1.1	2	77.4	6.5	1.1	2
T12	401.6	74.8	10.6	1.1	1	74.8	6.9	1.1	1
L1	436.3	82.7	1.1	1.1	1	82.6	1.1	1.1	1
L2	474.9	84.7	1.1	1.1	1	85.1	1.1	1.1	1
L3	510.7	87.1	1.5	1.5	1	88.0	1.5	1.5	1
L4	543.9	87.0	1.3	1.3	1	87.6	1.3	1.3	1
L5	570.6	87.3	1.2	1.2	1	86.9	1.2	1.2	1
S1	585.5	86.9	1.0	1.0	1	87.0	1.0	1.0	1
S2	595.3	86.6	0.5	0.5	1	87.5	0.5	0.5	1
S3	599.4	86.6	0.5	0.5	1	87.0	0.5	0.5	1
S4	602.0	86.8	0.5	0.5	1	87.3	0.5	0.5	1
S5	602.6	87.3	0.5	0.5	1	87.5	0.5	0.5	1

ISSN: 2045-8118