Syndesmotic Injury Wheeless

Description: Syndesmotic Injuries of the Ankle
syndesmosis is made up of anterior-inferior tibiofibular ligament, interosseous ligament, and posterior-inferior fibular ligaments, inferior transverse tibiofibular ligament, and interosseous ligament;
- these stabilize the mortise by opposing the fibula in the fibular notch (incisura fibularis tibiae);
- section of the anterior tibiofibular ligament results in diastasis of 2.3 mm;
- section of anterior tibiofibular ligament and interosseous ligament will result in diastasis of 4.5 mm;
- when all 3 ligaments are sectioned, diastasis measures 7.3 mm; Wheeless' Textbook of Orthopaedics