Relation of Bones
The talus is oriented slightly obliquely on the anterior surface of the calcaneus.
There are two points of articulation between the two bones: one anteriorly and one posteriorly:
- At the anterior talocalcaneal articulation, a convex area of the talus fits on a concave surface of the calcaneus.
- The posterior talocalcaneal articulation is formed by a concave surface of the talus and a convex surface of the calcaneus.
The subtalar joint contributes to 10% of dorsiflexion of the ankle.
Read more about this topic: Subtalar Joint
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