Ligament suppoing the talus is

SPRING LIGAMENT:- Also known as plantar calcaneonavicular ligament.Attachments-Anteriorly:plantar surface of navicular bone.Posteriorly: anterior margin of sustentaculum tali. Head of talus directly rests on upper surface of the ligament. The plantar surface of the ligament is suppoed by tendon of tibialis posterior medially,and by tendons of flexor hallucis longus and flexor digitorum longus laterally.Most impoant ligament for maintaining the medial longitudinal arch of foot. <img src=" /> {Reference: BDC 6E}