The posterior talocalcaneal ligament runs from the posterior process of the talus to the posterior surface of the calcaneus, reinforcing the posterior subtalar joint capsule.
| Origin | Lateral tubercle of the posterior process of the talus |
|---|---|
| Insertion | Upper posterior surface of the calcaneus |
Reinforces the posterior subtalar joint, limits excessive anterior talocalcaneal gapping, and contributes to posterior ankle-subtalar complex stability.
The posterior talocalcaneal ligament is identified in posterior ankle and subtalar arthroscopy as a reference for posterior subtalar joint access. Its disruption contributes to posterior subtalar instability in complex hindfoot trauma.
The posterior talocalcaneal ligament identified as the reference structure for posterior subtalar joint portal placement.
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