lateral collateral ligament of ankle joint lateral collateral ligament of ankle joint the lateral collateral ligament of ankle joint (or external lateral ligament of the ankle-joint) are ligaments of the ankle which attach to the fibula. lateral collateral ligament of ankle jointright foot, lateral side. three ligaments which compose the lateral collateral ligament are depicted.dissection video (1 min 10 s)detailsfromtalus bone, calcaneustofibula (lateral malleolus)identifierslatinligamentum collaterale laterale articulationis talocruralismeshd017844ta98a03.6.10.008ta21918fma44076anatomical terminology structure its components are: anterior talofibular ligament the anterior talofibular ligament attaches the anterior margin of the lateral malleolus to the adjacent region of the talus bone. the most common ligament involved in ankle sprain is the anterior talofibular ligament. posterior talofibular ligament the posterior talofibular ligament runs horizontally between the neck of the talus and the medial side of lateral malleolus calcaneofibular ligament the calcaneofibular ligament is attached on the posteromedial side of lateral malleolus and descends posteroinferiorly below to a lateral side of the calcaneus.