Page 54 - ASOP ROT Study Guide

5. THE ANKLE JOINT

The ankle joint resembles a hinge. It consists of an articulation between the tibia and the fibula,
and the first bone of the foot - the talus. Its function is to transfer the weight of the body to the
foot during motion and to permit balance during standing.
5.1 Stability
The stability of the ankle joint is a result of shape, ligaments and, to a small extent, muscles. The
shape provides good stability. The important ligaments are the lateral ligament and the medial (or
deltoid) ligament (Figure 17). The latter two ligaments hold the joint together by joining the talus to
the fibula and the talus to the tibia.

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