Table 2.

The perimeter IL, area of the superficial region, and depth from the surface to IL

	-10°	0°	30°	60°
Perimeter IL (1 cm proximal from the marker position), mm	26.0 (9.4)*	20.9 (7.6)*	13.6 (2.0)*	7.0 (4.9)
Perimeter IL (marker position), mm	25.1 (5.7)*	23.6 (3.7)*	19.8 (2.7)*	10.2 (5.7)
Perimeter IL (1 cm distal from the marker position), mm	21.1 (5.2)*	17.7 (3.9)*	14.6 (2.3)	5.2 (3.9)
Area of the superficial region of the IL, mm2	1,192.2 (394.2)*	1,018.7 (312.1)*	642.2 (143.4)*	290.4 (155.0)
Depth from the surface to the IL in the lateral positions, mm	7.9 (4.1)*	9.6 (4.1)*	11.4 (4.5)*	20.9 (10.5)
Depth from the surface to the IL in the supine positions, mm		6.5 (4.1)

^*p <0.05 vs. 60°.

IL, iliopsoas.

Standard deviations are noted in parentheses.