Human Anatomy & Physiology (9th Edition)

Published by Pearson
ISBN 10: 0321743261
ISBN 13: 978-0-32174-326-8

Chapter 13 - The Peripheral Nervous System and Reflex Activity - Review Questions - Page 522: 9(8)

Answer

brachial plexus; radial nerve

Work Step by Step

brachial plexus, situated partly in the neck and partly in the axilla, gives rise to virtually all the nerves that innervate the upper limb. Muscles that are controlled by the radial nerve extend the elbow, supinate the forearm, extend the wrist and fingers, and abduct the thumb.
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