Interosseous talocalcaneal ligament

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Ligament: Interosseous talocalcaneal ligament
Talocalcaneal and talocalcaneonavicular articulations exposed from above by removing the talus.
Coronal section through right talocrural and talocalcaneal joints.
Latin ligamentum talocalcaneum interosseum
Gray's subject #96 353
From talus
To calcaneus
Dorlands/Elsevier l_09/12493228

The interosseous talocalcaneal ligament forms the chief bond of union between the bones.

It is, in fact, a portion of the united capsules of the talocalcaneonavicular and the talocalcaneal joints, and consists of two partially united layers of fibers, one belonging to the former and the other to the latter joint.

It is attached, above, to the groove between the articular facets of the under surface of the talus; below, to a corresponding depression on the upper surface of the calcaneus.

It is very thick and strong, being at least 2.5 cm. in breadth from side to side, and serves to bind the calcaneus and talus firmly together.

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This article was originally based on an entry from a public domain edition of Gray's Anatomy. As such, some of the information contained herein may be outdated. Please edit the article if this is the case, and feel free to remove this notice when it is no longer relevant.