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Table 2 Findings of various distances from the tip of the fibular head (F), to the posterior border of the biceps femoris where the peroneal nerve crosses (B) and the posterior border of the fibular neck where the peroneal nerve crosses (N), and the area of the triangle FBN

From: A reproducible reference point for the common peroneal nerve during surgery at the posterolateral corner of the knee: a cadaveric study

 

Degrees of knee flexion

No.

Mean (95% CI)

Distance FN (mm)

0

12

19.8 (17.5–22.2)

30

12

21.7 (19.3–24.1)

60

12

22.7 (20.0–25.4)

90

12

20.1 (18.3–21.8)

120

12

19.3 (17.0–21.5)

60

20.7 (19.7–21.7)

Distance FB (mm)

0

12

57.9 (48.0–67.9)

30

12

62.3 (55.0–69.7)

60

12

59.5 (49.6–69.4)

90

12

48.1 (40.5–55.7)

120

12

37.8 (31.0–44.7)

60

53.1 (49.1–57.2)

Distance BN (mm)

0

12

72.8 (61.6–84.0)

30

12

76.1 (67.9–84.4)

60

12

69.2 (59.8–78.49)

90

12

52.2 (46.0–58.5)

120

12

31.8 (27.2–36.4)

60

60.4 (55.1–65.8)

Area FBN (mm2)

0

10

423.5 (252.9–594.1)

30

12

530.5 (407.1–653.8)

60

12

621.2 (468.4–774.1)

90

12

466.6 (362.3–570.8)

120

12

296.3 (229.8–362.8)

58

469.1 (412.1–526.2)