. 2018 Aug 9;6:e5406. doi: 10.7717/peerj.5406

Table 2. Deformation percentage (%) of the median nerve cross-sectional area and diameters of each finger posture at different wrist angles.

Wrist	Wrist angle	Finger postures
		Relaxed	Straight	Hook	Full fist	Tabletop	Straight fist
Median nerve cross-sectional area (MNCSA, mm²)
Dom	30° Flex	−16.2	−23.6	−28.3	−31.6	−20.7	−30.5
	0° Neutral	–	−14.1	−21.8	−25.0	−11.0	−21.5
	30° Ext	−13.8	−23.7	−26.8	−30.6	−18.9	−27.0
NonDom	30° Flex	−12.2	−16.9	−21.3	−23.3	−12.7	−20.7
	0° Neutral	–	−7.4	−12.8	−17.3	−4.3	−15.7
	30° Ext	−9.1	−14.2	−19.2	−19.5	−10.9	−18.6
Diameter in radial-ulnar direction (D1, mm)
Dom	30° Flex	−21.8	−26.3	−25.8	−27.8	−21.2	−30.8
	0° Neutral	–	−6.5	−12.3	−20.5	−10.1	−17.5
	30° Ext	4.1	−8.7	−14.7	−20.0	−7.7	−21.0
NonDom	30° Flex	−23.5	−23.1	−21.6	−20.2	−13.2	−23.5
	0° Neutral	–	−4.7	−10.2	−16.8	−4.9	−16.3
	30° Ext	9.4	−1.9	−8.3	−16.0	−4.1	−16.8
Diameter in dorsal-palmar direction (D2, mm)
Dom	30° Flex	6.3	4.5	−2.5	−5.1	1.4	1.9
	0° Neutral	–	−8.9	−11.2	−4.5	−1.4	−4.9
	30° Ext	−19.7	−16.9	−15.2	−12.0	−12.4	−7.5
NonDom	30° Flex	14.3	10.6	2.8	−1.8	1.8	6.4
	0° Neutral	–	−2.1	−1.9	0.8	1.5	0.5
	30° Ext	−18.0	−12.3	−10.9	−2.8	−6.4	−0.7

Notes.