Foot and Ankle Flashcards
(98 cards)
The ankle and foot have ____ bones. ___ sesamoid, and ___ articulations. ____ synovial joints
28 bones. 2 sesamoid. 55 articulations. 30 synovial joints.
The foot is divided into ? (3)
rearfoot, midfoot and forefoot.
rearfoot =
talus and calcaneus
midfoot =
navicular, cuboid and 3 cuniforms
forefoot =
14 bones of toes and 5 metatarsals. the medial and lateral sesamoids.
Distal tibiofibular joint is classified as?
syndesmosis
Distal tibiofibular joint consisits of a ____ tibial surface and a ____ distal end of the fibula
concave, convex.
the distal tibiofibular joint is a common area of _______ = separating ankle bones due to injury
diastasis
Talocrural joint is formed between the saddle-shapped _____ and the distal ___
talas, tibia.
Talocrural joint is classified as a _____ hinge or a modified ____ joint
synovial, sellar
The primary motions at this joint are dorsiflexion and The primary motions at the talocrural joint are _____ and
____ _____, with a total range of 70 plantar flexion, with a total range of ___ to ___.
dorsiflexion, plantar flexion.
70-80°
Theoretically, the pattern of the ankle joint is more
restriction of ______ than _____ although
clinically this appears to be reversed clinically this appears to be reversed.
plantarflexion than dorsiflexion
The close-packed position is ____-_____ dorsiflexion, while the ___-____ position is midway between supination and pronation.
weight-bearing.
open-packed
subtalar joint aka?
talocalcaneal
subtalar joint consists of two _____ _____ surfaces with their own joint cavities.
modified ovoid.
the bicondylar subtalar joint ensures that the ____ and ___ aspects can move in opposite directions.
anterior and posterior.
while the anterior aspect is moving _____, the posterior aspect is moving ____.
medially. Laterally.
subtalar joint supination and pronation are measured clinically by the amount of ?
calcaneal or hindfoot inversion and eversion.
(subtalar joint) In normal individuals, there is an inversion to eversion ratio of 2:3 to 1:3, which amounts to approximately ____ of inversion and __ of eversion.
20 degrees.
10 degrees.
In chronic arthritic conditions, there is an
increasing limitation of _____ , but with
traumatic arthritis, _______ appears most limited clinically.
inversion. eversion
The close-packed position for this joint is full ______, while the open-packed position is _____/______.
inversion. inversion/plantar flexion.
Two superficial ligaments of the talocalcaneal joint ligaments?
lateral and posterior talocalcaneal ligaments.
midtarsal joint complex consists of the ______ and _____ articulations.
talonavicular and calcaneocuboid.
talonavicular joint is classified as?
synovial, compound, modified ovoid joint.