. The anatomy of the domestic animals. Veterinary anatomy. THE HOCK JOINT 243 attached to the tibial by plantar and interosseous (astragalo-scaphoid) hgaments, and to the fibular tarsal by a short oblique (calcaneo-scaphoid) band. The fourth is attached to the fibular tarsal by interosseous and plantar (calcaneo-cuboid) ligaments. The (fused) first and second tarsals are connected with the fibular tarsal by a plantar (calcaneo-cunean) ligament. (4) The distal tarsal bones are connected with the metatarsus liy tarso-metatarsal ligaments, which are not distinct from the common Ugaments, except i
. The anatomy of the domestic animals. Veterinary anatomy. THE HOCK JOINT 243 attached to the tibial by plantar and interosseous (astragalo-scaphoid) hgaments, and to the fibular tarsal by a short oblique (calcaneo-scaphoid) band. The fourth is attached to the fibular tarsal by interosseous and plantar (calcaneo-cuboid) ligaments. The (fused) first and second tarsals are connected with the fibular tarsal by a plantar (calcaneo-cunean) ligament. (4) The distal tarsal bones are connected with the metatarsus liy tarso-metatarsal ligaments, which are not distinct from the common Ugaments, except in the case of the interosseous ligament between the third tarsal and metatarsal bones. Movements.—These are flexion and extension, which take place at the tibio- tarsal joint. The movements between the tarsal liones, and between the latter and the metatarsus, are so limited as to be negligible so far as the action of the joint as a whole is concernetl. In the standing position the articular angle (in front) Superficial flexor tendon Gastrocnemius tendon Tarsal tendon of biceps femoris Calcanean bursa Gastrocnemius bursa Tuber calcis Upper pouch of joint capsule Tibial tarsal bone Interosseous ligament Plantar ligament Fourth tarsal bone Interosseous ligament Large metatarsal bone Suspensory ligament Check ligament. Tibialis anterior Per one us tertius Tibio-tarsal joint cavity Joint capsule Centred tarsal bone Third tarsal bone Distal annular ligament Fig. 255.—Sagittal Section of Hock of Horse. The section is cut so far laterally that the deep flexor tendon does not show. is about 150° to 160°. Complete extension is prevented by tension of the collateral ligaments. Flexion is checked only by contact of the metatarsus with the leg, provided the stifle joint is also flexed. Owing to the fact that the axis of motion is slightly oblique, the lower part of the limb deviates somewhat outward during flexion. The long collateral ligaments are tense in extension, the short ones i
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