Bifurcated ligament

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Bifurcated ligament
The ligaments of the foot from the lateral aspect (bifurcated ligament labeled at upper right)
Talocalcaneal and talocalcaneonavicular articulations exposed from above by removing the talus
(bifurcated ligament labeled at upper right)
From Calcaneus
To cuboid and navicular bone
Latin Ligamentum bifurcatum
TA A03.6.10.511
FMA 44216
Anatomical terminology

The bifurcated ligament (internal calcaneocuboid, interosseous ligament or bifurcate ligament) is a strong band, attached behind to the deep hollow on the upper surface of the calcaneus and dividing in front in a Y-shaped manner into a calcaneocuboid and a calcaneonavicular part.

It is commonly injured in "sprain-type" inversion injuries producing an avulsion fracture at the anterolateral process of the calcaneus.[1]


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

  1. ^ David A. Porter (2008). Baxter, Donald E.; Porter, David A.; Schon, Lew, eds. Baxter's The Foot and Ankle in Sport (2nd (illustrated) ed.). Amsterdam, Netherlands: Elsevier Health Sciences. p. 297. ISBN 9780323023580.