A manual of anatomy . ligament {lig. deltoideum), or medial ligament, is tri-angular in shape and the strongest ligament of the ankle joint. Itextends from the medial malleolus to the navicular, talal and THE INTERTARSAL ARTICULATIONS 139 calcaneal bones. It has a number of divisions, as anterior, posteriorand deep (all talotibial) and tibionavicular and tihiocalcaneal. The synovial membrane that lines the capsule and invests the non^articular portions of the bones within the joint sends an extensioninto the inferior tibiofibular articulation. Pads of fat separate itfrom the bones at the front
A manual of anatomy . ligament {lig. deltoideum), or medial ligament, is tri-angular in shape and the strongest ligament of the ankle joint. Itextends from the medial malleolus to the navicular, talal and THE INTERTARSAL ARTICULATIONS 139 calcaneal bones. It has a number of divisions, as anterior, posteriorand deep (all talotibial) and tibionavicular and tihiocalcaneal. The synovial membrane that lines the capsule and invests the non^articular portions of the bones within the joint sends an extensioninto the inferior tibiofibular articulation. Pads of fat separate itfrom the bones at the front and back of the joint. Movements.—These are of flexion and extension. THE INTERTARSAL ARTICULATIONS (;) The intertarsal articulations are of the arthrodial talocalcaneal joint is formed by the talus and the addition to a capsule there are the anterior, posterior, lateral, Tibia Deltoid UgnmcntTendon of tibialis tig. ^^ Sustentaculum tali. Calcaneus Calcaneal tendon Fig. 112.—The ligaments of the tarsus seen from the inner side. {Sobotta and ) medial and interosseous talocalcaneal ligaments, which connectcorresponding areas of the two bones. The talocalcaneonavicular joint is formed by the talus, calcaneumand naviculare. It is at the summit of the anteroposterior arch ofthe foot. The most important ligament is the plantar calcaneona-vicular ligament as it gives support to the arch and forms part of thearticulation. It blends with the deltoid ligament of the ankle ligaments are, the calcaneonavicular part of the bifurcate liga-ment and the posterior talonavicular ligament. The calcaneocuboid articulation is surrounded by a capsule whichis supported by other ligaments as, the medial calcaneocuboid (thecalcaneocuboid part of the bifurcate ligament), dorsal, lateral andinferior calcaneocuboid ligaments. I40 SYNDESMOLOGY The cuneonavicular articulation concerns the navicular and
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