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Anterior talofibular ligament

Recommended video: Ankle joint [15:51]
Bones and ligaments that form the ankle joint.

The anterior talofibular ligament (ATFL) is one of three ligaments that comprise the lateral collateral ligament of the ankle, alongside the posterior talofibular ligament (PTFL) and the calcaneofibular ligament. The ATFL extends between the anterior margin of the lateral malleolus of the fibula to the lateral aspect of the neck of the talus

The ATFL provides passive stability to the ankle joint and resists inversion and plantar flexion.

The lateral collateral ligament is not as strong as the deltoid ligament on the medial aspect of the ankle. As such, inversion sprains of the ankle are much more common. During inversion sprains, the ATFL, being the weakest of the three ligaments comprising the lateral collateral ligament, is the most vulnerable to partial or complete tears.

Terminology English: Anterior talofibular ligament
Latin: Ligamentum talofibulare anterius
Location Between lateral malleolus of fibula and neck of the talus
Function Resists inversion and plantar flexion

Learn more about the ankle joint with this study unit:

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