Components include: anterior inferior and posterior inferior tibiofibular ligaments and interosseous ligament
Anterior inferior tibiofibular ligament has an accessory band called the Basset ligament slightly inferior to it
Posterior inferior tibiofibular ligament has another component inferiorly called the transverse (intermalleolar) ligament
Injured in eversion or pronation stress or a rotational injury
Keeps fibula in fibular notch of tibia