LooseLeaf for Human Anatomy
LooseLeaf for Human Anatomy
5th Edition
ISBN: 9781259285271
Author: Michael McKinley Dr., Valerie O'Loughlin, Elizabeth Pennefather-O'Brien
Publisher: McGraw-Hill Education
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Chapter 11, Problem 1WYL

What are the bony attachments for all the muscles of facial expression?

Expert Solution & Answer
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Summary Introduction

To determine:

The bony attachments for the muscles of facial expressions.

Introduction:

The muscles control all the body movements. Axial muscles are the muscles that control facial expressions. These muscles also support the head. The axial muscles control the movement of the head and spinal column. They are involved in non-verbal communication.

Explanation of Solution

The muscles of facial expression attach to the superficial fascia of the skin. These muscles contract after joining with superficial fascia. The contraction and relaxation of these muscles control the facial expressions. All the muscles of facial expression attach with superficial fascia except the facial nerve. The facial nerve attaches to the seventh cranial nerve.

Thus, superficial fascia of the skin is the bony attachment for the muscles of facial expressions.

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