AXIAL MUSCLES_ _Pre-lab Handout
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School
SUNY at Albany *
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Course
316
Subject
Anatomy
Date
Dec 6, 2023
Type
Pages
9
Uploaded by caseygrogan0924
AXIAL MUSCLES:
Pre-lab Handout
Learning Objectives:
-Name and locate the muscles that produce facial expression
-Name and locate muscles used for chewing
-Name and locate neck muscles that move the head
-Name and locate muscles of the trunk (respiration, abdominal wall and back)
-Identify the general bone attachments, innervation, and actions of these muscles
Important Muscles
Muscles of facial expression
-Orbicularis oculi
-Levator labii superioris
-Zygomaticus major
-Zygomaticus minor
-Risorius
-Depressor anguli oris
-Corrugator supercilii
-Orbicularis oris
-Buccinator
-Nasalis
-Mentalis
-Occipitofrontalis
Muscles of chewing
-Masseter
-Temporalis
Neck muscles
-Sternocleidomastoid
Suprahyoid muscles
-Digastric
Infrahyoid muscles
-Sternohyoid
-Thyrohyoid
-Sternothyroid
Muscles of the trunk
Respiration
-Diaphragm
-External
intercostals
-Internal
intercostals
Abdominal wall
-External
oblique
-Internal
oblique
-Rectus
abdominis
-Transverse
abdominis
MUSCLES OF FACIAL
EXPRESSION
INSTRUCTIONS
Label the images using the numbers
associated with the appropriate muscle
names
1 Orbicularis oculi
2 Levator labii superioris
3 Zygomaticus major
4 Zygomaticus minor
5 Risorius
6 Depressor anguli oris
7 Corrugator supercilii
8 Orbicularis oris
9 Buccinator
10 Nasalis
11 Mentalis
12 Occipitofrontalis
10
2
3
6
7
1
8
9
4
11
5
12
Identify the muscles used in each of the following images:
- frontal belly of
occipitofrontalis
- Levator palpebrae
superior
-Zygomatics major and
minor
- Levator labii superioris
- Depressor labii inferior
- Frontal belly of
occipitofrontalis
-Levator palpebrae superior
-Nasalis
-Risorius
-Depressor labii inferior
-Platysma
- Frontal belly of
occipitofrontalis
-Levator palpebrae
superioris
-Corrugator supercilia
-Orbicularis oris
- Depressor angulioris
- Mentalis
- Orbicularis oris
-Orbicularis oculi
- depressor angulioris
-Mentalis
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