Interosseous talocalcaneal ligament

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Interosseous talocalcaneal ligament
Talocalcaneal and talocalcaneonavicular articulations exposed from above by removing the talus.
Coronal section through right talocrural and talocalcaneal joints.
From talus
To calcaneus
Latin ligamentum talocalcaneum interosseum
TA A03.6.10.503
FMA 44199
Anatomical terminology

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

It is 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 incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

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