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Table 2 The perimeter IL, area of the superficial region, and depth from the surface to IL

From: Measurement of muscle length-related electromyography activity of the hip flexor muscles to determine individual muscle contributions to the hip flexion torque

 

-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)

  
  1. *p <0.05 vs. 60°.
  2. IL, iliopsoas.
  3. Standard deviations are noted in parentheses.
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