which of the following answers is (are) correct? PLEASE CHOOSE ALL CORRECT ANSWERS.
which of the following answers is (are) correct? PLEASE CHOOSE ALL CORRECT ANSWERS.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Question
6
Transcribed Image Text:You are asked to obtain a radiograph on a patient who sustained an "Inversion" turning inward ankle sprain to rule oout a fracture. When considering the structure of the ankle
joint and associated bones, which of the following answers is (are) correct? PLEASE CHOOSE ALL CORRECT ANSWERS.
O The ankle joint is a "mortise" type joint
O The dome of the talus is rounded anteriorly to posteriorly to allow sagittal plane "hinge like" motion primarily.
The medial malleolus extends more distally than the lateral malleolus allowing more inversion (turning inward) than eversion (turning outward)
The ankle joint is shaped more like a rounded ball in a cup like socket which allow a lot of motion.
O All of these statements are correct
Expert Solution
Step 1
The ankle joint consists of the articulation between talus, tibia and fibula.
The malleoli of the tibia and fibula form a rectangular socket along with the inferior talofibular ligament. This rectangular socket is termed mortise into which the talus fits in and hence the ankle joint is called the mortise joint.
The ankle joint allows movement only like a hinge in a particular direction.
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