Essentials of Human Anatomy & Physiology (12th Edition)

Published by Pearson
ISBN 10: 1292216239
ISBN 13: 978-1-29221-623-2

Chapter 6 - The Muscular System - Review Questions - Page 249: 19

Answer

Circumduction means movement of body parts in a circular pattern. It is achieved via a combination of 4 different movements. 1. Flexion 2. Adduction 3. Extension 4. Abduction

Work Step by Step

Flexion : It describes the bending movement of muscles that reduces the angle between the segment and proximal segment. It is the movement in the anterior direction. Adduction : Adduction is the movement by which the moving structure is pulled closer to the midline of the body or the midline of a limb. Extension : It is the opposite of flexion. In extension, the angle between the segment and the proximal segment increases, and it is the movement in the posterior direction. Abduction : This is the opposite of adduction. Abduction pulls the structure away from the midline of the body or the limb.
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