Sustentaculum tali
At the upper and forepart of the medial surface of the calcaneus is a horizontal eminence, the sustentaculum tali (alternatively, the talar shelf), which gives attachment to the plantar calcaneo-navicular (spring) ligament, tibiocalcaneal ligament, and medial talocalcaneal ligament.

This eminence is concave above, and articulates with the middle calcaneal articular surface of the talus
Scree, also called talus, is a term given to an accumulation of broken rock fragments at the base of crags, mountain cliffs, or valley shoulders. Landforms associated with these materials are sometimes called scree slopes or talus piles...

; below, it is grooved for the tendon of the Flexor hallucis longus; its anterior margin gives attachment to the plantar calcaneonavicular ligament
Plantar calcaneonavicular ligament
The plantar calcaneonavicular ligament is a ligament on the underside of the foot that connects the calcaneus with the navicular bone.-Structure:...

, and its medial margin to a part of the deltoid ligament of the ankle-joint.

External links

- "The Leg: Bones"
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