Ankle Joint


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Related to Ankle Joint: Subtalar joint

Ankle Joint

 

in humans, the articulation of the bones of the shin with the foot. The tibia and fibula are part of the formation of the ankle joint; with their thickened ends (medial and lateral malleoli) embracing superiorly and laterally the ankle bone (talus) of the foot. The ankle joint is blockshaped, with one axis of rotation. It is surrounded by a capsule and is laterally attached by many tough ligaments. Its blood supply comes from the malleolar branches of the tibial and fibular arteries, which pass nearby. The ankle joint receives sensory innervation from the tibial nerve and the exterior branch of the deep peroneal nerve. Flection and extension of the foot occur at the ankle joint within a 90° radius, and they are usually combined with movements in the subtalus joint.

References in periodicals archive ?
In the healthy group (Figure 1), both joints have maximum extension at heel contact, then a significant reduction in ankle dorsi-flexion at mid stance, a reduction in knee flexion at toe off along with a slight increase in angle of ankle joint and finally minimum angle in both joints (knee flexion-ankle dorsiflexion) in the mid swing relative to other stages of gait cycle.
One study showed its poor interrater reliability in ankle joint dorsiflexion [67], and measures using goniometry have been shown to be tester dependent [110].
As the talus subluxes medially out of the ankle joint, an axial load is then applied onto the talus, which causes the sagittal split in the talus.
Ensemble means and standard deviations for all of the trials for hip, knee, and ankle joint angle, moment, and power are shown in Figure 1.
DePuy's Agility ankle was designed by orthopedic surgeons to imitate the structure and movement of the ankle joint, according to the Warsaw, Ind.
Rhys Thomas, a consultant orthopaedic surgeon at Vale Healthcare who has worked with a number of high-profile sports stars, said: "Arsenal's statement probably indicates that it's a fracture just above the ankle joint, so the lower part of the shin bone.
Euan has damaged the structures around the ankle joint.
The Gunners revealed the Croatia striker, hurt after a tackle from Birmingham's Martin Taylor in Saturday's 2-2 draw at St Andrews, had fractured his left fibula and sustained an open dislocation of his ankle joint in the same leg.
Our solution to construct a biomechanical model of lower extremities consists in representing the upper leg and lower leg as a straight beam and the foot as a triangle (the ankle joint, the heel and second metatarsal).
Results: Hip, knee and ankle joint position were not significantly affected by time (exercise).
The ankle has two components: the regular ankle joint that moves up and down, and the subtalar (ST) joint beneath it that moves in and out.