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The ankle is composed of three joints: the talocrural joint (also called talotibial joint, tibiotalar joint, talar mortise, talar joint), the subtalar joint (also called talocalcaneal), and the Inferior tibiofibular joint. [3] [4] [5] The joint surface of all bones in the ankle is covered with articular cartilage.
The deltoid ligament (or medial ligament of talocrural joint) is a strong, flat, triangular band, attached, above, to the apex and anterior and posterior borders of the medial malleolus. The deltoid ligament supports the ankle joint and also resists excessive eversion of the foot. [ 1 ]
In the anatomy of humans and many other mammals, the tibiotarsal joint is the joint between the tibia and the tarsus. [1] [2] In avian anatomy, it is the equivalent of the ankle. [3] In equine veterinary science, synovial distension of the tibiotarsal joint in the horse is known as bog spavin.
The intertarsal joint are the joints of the tarsal bones in the foot. There are six specific inter tarsal joints (articulations) in the human foot: Subtalar joint;
A joint dislocation, also called luxation, occurs when there is an abnormal separation in the joint, where two or more bones meet. [1]
For example, a person with a hallux rigidus (stiff big toe) may use a rocker bottom shoe to replace the flexion lost at the metatarsal joint. Rocker bottom shoes are also used to compensate for the lost range of motion, however caused, at the tibiotalar joint (ankle joint). In such cases, the wearer maintains solid and stable footing while ...
The joint allows inversion and eversion of the foot, but plays minimal role in dorsiflexion or plantarflexion of the foot. [5] The centre of rotation of the subtalar joint is thought to be in the region of the middle facet. [3] It is considered a plane synovial joint, also commonly referred to as a gliding joint. [6]
A joint or articulation (or articular surface) is the connection made between bones, ossicles, or other hard structures in the body which link an animal's skeletal ...