The posterior ligament of the lateral malleolus (posterior tibiofibular ligament, posterior inferior ligament). It is smaller than the anterior ligament of the lateral malleolus and is disposed in a similar manner on the posterior surface of the syndesmosis. It connects the tibia and fibular on the inferior part of both bones. The posterior ligament of the lateral malleolus (posterior tibiofibular ligament, posterior inferior ligament). It is smaller than the anterior ligament of the lateral malleolus and is disposed in a similar manner on the posterior surface of the syndesmosis. It connects the tibia and fibular on the inferior part of both bones. This article incorporates text in the public domain from page 348 of the 20th edition of Gray's Anatomy (1918)