Reference > Anatomy of the Human Body > Page 353
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Henry Gray (1825–1861).  Anatomy of the Human Body.  1918.
 
is a short, strong fasciculus, passing from the lateral surface of the talus, immediately beneath its fibular facet to the lateral surface of the calcaneus. It is placed in front of, but on a deeper plane than, the calcaneofibular ligament, with the fibers of which it is parallel.

The Medial Talocalcaneal Ligament (ligamentum talocalcaneum mediale; internal calcaneo-astragaloid ligament).—The medial talocalcaneal ligament connects the medial tubercle of the back of the talus with the back of the sustentaculum tali. Its fibers blend with those of the plantar calcaneonavicular ligament (Fig. 354).


FIG. 357– Coronal section through right talocrural and talocalcaneal joints. (See enlarged image)


The Interosseous Talocalcaneal Ligament (ligamentum talocalcaneum interosseum) (Figs. 357, 359).—The interosseous talocalcaneal ligament forms the chief bond of union between the bones. It is, in fact, 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.

Synovial Membrane (Fig. 360).—The synovial membrane lines the capsule of the joint, and is distinct from the other synovial membranes of the tarsus.

Movements.—The movements permitted between the talus and calcaneus are limited to gliding of the one bone on the other backward and forward and from side to side.

Talocalcaneonavicular Articulation (articulatio talocalcaneonavicularis).—This articulation is an arthrodial joint: the rounded head of the talus being received into the concavity formed by the posterior surface of the navicular, the anterior articular surface of the calcaneus, and the upper surface of the planter calcaneonavicular

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