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(7)


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. The ulnar nerve goes into the hand. Where it innervates most intrinsic hand muscles, and the skin of the medial aspect of the hand. It causes the wrist and fingers to flex, and adducts and abducts the medial fingers.
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