The calcaneonavicular (spring) ligament complex is the soft tissue most often seen to fail in flatfoot pathology and is associated with deformity of the talonavicular joint. The spring ligament complex supports the talar head, preventing it from displacing into excessive plantar flexion/adduction. An anatomical reconstruction of the spring ligament should replicate this function. A new method of spring ligament reconstruction using autogenous flexor hallucis longus tendon transfer is reported.
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