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Table 1 Measurements of distal tibiofibular syndesmosis

From: A reliable radiographic measurement for evaluation of normal distal tibiofibular syndesmosis: a multi-detector computed tomography study in adults

Mean (range)

3-D SSD

2-D Axial

X ray

Male

Female

Male

Female

Male

Female

XY (mm)

12.1* (8.4 to 15.2)

7.8* (6.4 to 9.2)

NA

NA

NA

NA

TCS-A(mm)

2.8* (2.2 to 3.5)

1.8* (1.4 to 2.5)

2.8* (2.3 to 3.7)

1.8* (1.4 to 2.9)

NA

NA

TCS-P(mm)

3.6* (2.9 to 4.3)

2.9* (2.4 to 3.6)

3.7* (2.6 to 5.2)

2.8* (2.2 to 3.8)

NA

NA

TCS (mm)

NA

NA

NA

NA

4.1* (2.1 to 5.8)

3.7* (2.4 to 5.1)

TFO (mm)

NA

NA

NA

NA

5.5* (3.1 to 8.2)

3.8* (2.3 to 6.1)

IFD (mm)

5.1* (4.0 to 6.3)

4.2* (3.2 to 5.2)

5.0* (3.6 to 6.5)

4.3* (3.0 to 5.6)

NA

NA

IFH (mm)

35.1* (28.6 to 39.8)

33.7* (30.2 to 37.5)

NA

NA

28.3* (18.4 to 37.2)

25.6* (20.1 to 31.5)

  1. *p < 0.05 indicates a significant sex difference in parameters using ANCOVA with body height as the covariate; NA not applicable, XY vertical distance from plane X to plane Y, TCS-A anterior tibiofibular clear space, TCS-P posterior tibiofibular clear space, TCS tibiofibular clear space, TFO tibiofibular overlap, IFD depth of incisura fibularis, IFH height of incisura fibularis