# What is the intertarsal articulations?

Gray’s Anatomy (1918) describes the intertarsal articulations as follows: Talocalcaneal Articulation ( articulatio talocalcanea; articulation of the calcaneus and astragalus; calcaneo-astragaloid articulation ).

## What it means

- Talocalcaneal Articulation ( articulatio talocalcanea; articulation of the calcaneus and astragalus; calcaneo-astragaloid articulation ). —The articulations between the calcaneus and talus are two in number—anterior and posterior. Of these, the anterior forms part of the talocalcaneonavicular joint, and will be described with that articulation.
- The posterior or talocalcaneal articulation is formed between the posterior calcaneal facet on the inferior surface of the talus, and the posterior facet on the superior surface of the calcaneus. It is an arthrodial joint, and the two bones are connected by an articular capsule and by anterior, posterior, lateral, medial, and interosseous talocalcaneal ligaments. The Articular Capsule ( capsula articularis ).
- —The articular capsule envelops the joint, and consists for the most part of the short fibers, which are split up into distinct slips; between these there is only a weak fibrous investment. The Anterior Talocalcaneal Ligament ( ligamentum talocalcaneum anterius; anterior calcaneo-astragaloid ligament ) . —The anterior talocalcaneal ligament extends from the front and lateral surface of the neck of the talus to the superior surface of the calcaneus.
- It forms the posterior boundary of the talocalcaneonavicular joint, and is sometimes described as the anterior interosseous ligament.

## Sources

- [Gray's Anatomy of the Human Body (1918)](https://www.bartleby.com/lit-hub/anatomy-of-the-human-body/7e-intertarsal-articulations/)

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