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Table 4 Tibiofibular distances under external rotation stress

From: Syndesmotic instability can be assessed by measuring the distance between the tibia and the fibula using an ultrasound without stress: a cadaver study

 

Tibiofibular distance

Ligaments sectioned

(mean ± SD, mm)

P

Intact

6.7 ± 1.3

-

Bassett’s

7.1 ± 1.7

0.956

AITFL

8.7 ± 1.6

0.015*

IOM

9.5 ± 0.9

 < 0.001*

Deltoid

9.5 ± 0.9

 < 0.001*

PITFL

9.9 ± 1.1

 < 0.001*

  1. AITFL anterior inferior tibiofibular ligament, IOM interosseous membrane, PITFL posterior inferior tibiofibular ligament, SD standard deviation
  2. *Significant difference compared with the intact model (P < 0.05)