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Spring ligament complex includes the Superomedial, Medioplantar, and Inferoplantar longitudinal components. Normal superomedial component of the spring ligament: From sustentaculum tali (pink arrow) to superior and posteromedial aspect of navicular bone (blue arrows). In association with tibiospring ligament, it primarily stabilizes talocalcaneonavicular joint and secondarily stabilizes medial plantar arch of foot. Tibialis posterior tendon tendinosis (yellow arrow)
