BIO 117 Lab Review #4 Muscles - I (head & trunk)

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Last updated 7:25 PM on 10/25/25

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38 Terms

1

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What is the orbicularis oculi of the face?

Which muscle of the face is:

Around the eyes
Action: blinking & squinting
Nerve: CN VII

<p>Which muscle of the face is:</p><ul><li><p>Around the eyes</p></li><li><p>Action: blinking & squinting</p></li><li><p>Nerve: <span style="color: yellow;">CN VII</span></p></li></ul><p></p>

2

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What is the orbicularis oris of the face?

Which muscle of the face is:

Around the lips
Action: close & protrude lips
Nerve: CN VII

<p>Which muscle of the face is:</p><ul><li><p>Around the lips</p></li><li><p>Action: close & protrude lips</p></li><li><p>Nerve: <span style="color: yellow;">CN VII</span></p></li></ul><p></p>

3

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What is the buccinator of the face?

Which muscle of the face is:

In the cheek area
Action: compress cheek (trumpet)
Nerve: CN VII

<p>Which muscle of the face is:</p><ul><li><p>In the cheek area</p></li><li><p>Action: compress cheek (trumpet)</p></li><li><p>Nerve: <span style="color: yellow;">CN VII</span></p></li></ul><p></p>

4

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What is the inferior rectus of the eye?

Which muscle of the eye is:

Located inferior to the pupil
Action: eye looks down
Nerve: CN III

<p>Which muscle of the eye is:</p><ul><li><p>Located inferior to the pupil</p></li><li><p>Action: eye looks down</p></li><li><p>Nerve: <span style="color: yellow;">CN III</span></p></li></ul><p></p>

5

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What is the medial rectus of the eye?

Which muscle of the eye is:

Located medial to the pupil
Action: eye looks medial
Nerve: CN III

<p>Which muscle of the eye is:</p><ul><li><p>Located medial to the pupil</p></li><li><p>Action: eye looks medial</p></li><li><p>Nerve: <span style="color: yellow;">CN III</span></p></li></ul><p></p>

6

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What is the superior rectus of the eye?

Which muscle of the eye is:

Located superior to the pupil
Action: eye looks up
Nerve: CN III

<p>Which muscle of the eye is:</p><ul><li><p>Located superior to the pupil</p></li><li><p>Action: eye looks up</p></li><li><p>Nerve: <span style="color: yellow;">CN III</span></p></li></ul><p></p>

7

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What is the lateral rectus of the eye?

Which muscle of the eye is:

Located lateral to the pupil
Action: eye looks lateral
Nerve: CN VI

<p>Which muscle of the eye is:</p><ul><li><p>Located lateral to the pupil</p></li><li><p>Action: eye looks lateral</p></li><li><p>Nerve: <span style="color: yellow;">CN VI</span></p></li></ul><p></p>

8

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What is the inferior oblique of the eye?

Which muscle of the eye is:

Bottom tail, attach on lateral side
Action: eye looks up & lateral
Nerve: CN III

<p>Which muscle of the eye is:</p><ul><li><p>Bottom tail, attach on lateral side</p></li><li><p>Action: eye looks up & lateral</p></li><li><p>Nerve: <span style="color: yellow;">CN III</span></p></li></ul><p></p>

9

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What is the superior oblique of the eye?

Which muscle of the eye is:

Under the superior rectus
Action: eye looks down & lateral
Nerve: CN IV

<p>Which muscle of the eye is:</p><ul><li><p>Under the superior rectus</p></li><li><p>Action: eye looks down & lateral</p></li><li><p>Nerve: <span style="color: yellow;">CN IV</span></p></li></ul><p></p>

10

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What is the masseter of mastication?

Which muscle of mastication is:

Side of jaw
Action: close jaw
Nerve: CN V

<p>Which muscle of mastication is:</p><ul><li><p>Side of jaw</p></li><li><p>Action: close jaw</p></li><li><p>Nerve: <span style="color: yellow;">CN V</span></p></li></ul><p></p>

11

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What is the temporalis of mastication?

Which muscle of mastication is:

At the temporal bone
Action: close jaw & retract mandible
Nerve: CN V

<p>Which muscle of mastication is:</p><ul><li><p>At the temporal bone</p></li><li><p>Action: close jaw & retract mandible</p></li><li><p>Nerve: <span style="color: yellow;">CN V</span></p></li></ul><p></p>

12

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What is the internal (medial) pterygoid of mastication?

Which muscle of mastication is:

Inferior & under
Action: close jaw & grinding
Nerve: CN V

<p>Which muscle of mastication is:</p><ul><li><p>Inferior & under</p></li><li><p>Action: close jaw & grinding</p></li><li><p>Nerve: <span style="color: yellow;">CN V</span></p></li></ul><p></p>

13

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What is the external (lateral) pterygoid of mastication?

Which muscle of mastication is:

Superior & over
Action: protrude jaw & grinding
Nerve: CN V

<p>Which muscle of mastication is:</p><ul><li><p>Superior & over</p></li><li><p>Action: protrude jaw & grinding</p></li><li><p>Nerve: <span style="color: yellow;">CN V</span></p></li></ul><p></p>

14

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What is the palatoglossus of the tongue?

Which muscle of the tongue is:

Attach to palate
Action: elevates tongue & depress soft palate
Nerve: CN XI

<p>Which muscle of the tongue is:</p><ul><li><p>Attach to palate</p></li><li><p>Action: elevates tongue & depress soft palate</p></li><li><p>Nerve: <span style="color: yellow;">CN XI</span></p></li></ul><p></p>

15

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What is the styloglossus of the tongue?

Which muscle of the tongue is:

Attach to styloid
Action: retract tongue - elevate sides
Nerve: CN XII

<p>Which muscle of the tongue is:</p><ul><li><p>Attach to styloid</p></li><li><p>Action: retract tongue - elevate sides</p></li><li><p>Nerve: <span style="color: yellow;">CN XII</span></p></li></ul><p></p>

16

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What is the genioglossus of the tongue?

Which muscle of the tongue is:

Attach to hyoid & mandible
Action: depress & protract tongue
Nerve: CN XII

<p>Which muscle of the tongue is:</p><ul><li><p>Attach to hyoid & mandible</p></li><li><p>Action: depress & protract tongue</p></li><li><p>Nerve: <span style="color: yellow;">CN XII</span></p></li></ul><p></p>

17

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What is the hyoglossus of the tongue?

Which muscle of the tongue is:

Attach to hyoid
Action: depress & retract tongue
Nerve: CN XII

<p>Which muscle of the tongue is:</p><ul><li><p>Attach to hyoid</p></li><li><p>Action: depress & retract tongue</p></li><li><p>Nerve: <span style="color: yellow;">CN XII</span></p></li></ul><p></p>

18

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What is the platysma of the neck?

Which anterior muscle of the neck is:

Big sheet on anterior side of neck
Action: depress mandible & lower lip
Nerve: CN VII

<p>Which anterior muscle of the neck is:</p><ul><li><p>Big sheet on anterior side of neck</p></li><li><p>Action: depress mandible & lower lip</p></li><li><p>Nerve: <span style="color: yellow;">CN VII</span></p></li></ul><p></p>

19

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What is the sternocleidomastoid (SCM) of the neck?

Which anterior muscle of the neck is:

Attach to sternum, clavicle, and mastoid process
Action: bi = cervical flex, uni = lat flex & opp rot
Nerve: CN XI

<p>Which anterior muscle of the neck is:</p><ul><li><p>Attach to sternum, clavicle, and mastoid process</p></li><li><p>Action: bi = cervical flex, uni = lat flex & opp rot</p></li><li><p>Nerve: <span style="color: yellow;">CN XI</span></p></li></ul><p></p>

20

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What is the mylohyoid of the neck?

Which anterior muscle of the neck is:

Under chin, inferior to genioglossus
Action: elevate hyoid for swallowing
Nerve: CN V

<p>Which anterior muscle of the neck is:</p><ul><li><p>Under chin, inferior to genioglossus</p></li><li><p>Action: elevate hyoid for swallowing</p></li><li><p>Nerve: <span style="color: yellow;">CN V</span></p></li></ul><p></p>

21

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What is the digastrics (A&P) of the neck?

Which anterior muscle of the neck is:

Attach from mastoid process, goes under a band, and to mandible
Action: elevate hyoid for swallowing
Nerve: A = CN V, P = CN VII

<p>Which anterior muscle of the neck is:</p><ul><li><p>Attach from mastoid process, goes under a band, and to mandible</p></li><li><p>Action: elevate hyoid for swallowing</p></li><li><p>Nerve: A = <span style="color: yellow;">CN V</span>, P = <span style="color: yellow;">CN VII</span></p></li></ul><p></p>

22

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What is the geniohyoid of the neck?

Which anterior muscle of the neck is:

Attach to mandible & hyoid
Action: elevate hyoid for swallowing
Nerve: C1 nerve root

<p>Which anterior muscle of the neck is:</p><ul><li><p>Attach to mandible & hyoid</p></li><li><p>Action: elevate hyoid for swallowing</p></li><li><p>Nerve: <span style="color: yellow;">C1</span> nerve root</p></li></ul><p></p>

23

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What is the thyrohyoid of the neck?

Which anterior muscle of the neck is:

Attach to thyroid & hyoid
Action: depress hyoid to stabilize
Nerve: C1 nerve root

<p>Which anterior muscle of the neck is:</p><ul><li><p>Attach to thyroid & hyoid</p></li><li><p>Action: depress hyoid to stabilize</p></li><li><p>Nerve: <span style="color: yellow;">C1</span> nerve root</p></li></ul><p></p>

24

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What is the sternohyoid of the neck?

Which anterior muscle of the neck is:

Attach to sternum & hyoid
Action: depress hyoid to stabilize
Nerve: C1-C3 nerve roots

<p>Which anterior muscle of the neck is:</p><ul><li><p>Attach to sternum & hyoid</p></li><li><p>Action: depress hyoid to stabilize</p></li><li><p>Nerve: <span style="color: yellow;">C1-C3</span> nerve roots</p></li></ul><p></p>

25

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What is the sternothyroid of the neck?

Which anterior muscle of the neck is:

Attach to sternum, thyroid, and hyoid
Action: depress hyoid to stabilize
Nerve: C1-C3 nerve roots

<p>Which anterior muscle of the neck is:</p><ul><li><p>Attach to sternum, thyroid, and hyoid</p></li><li><p>Action: depress hyoid to stabilize</p></li><li><p>Nerve: <span style="color: yellow;">C1-C3</span> nerve roots</p></li></ul><p></p>

26

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What is the omohyoid of the neck?

Which anterior muscle of the neck is:

Attach to shoulder & hyoid
Action: depress hyoid to stabilize
Nerve: C1-C3 nerve roots

<p>Which anterior muscle of the neck is:</p><ul><li><p>Attach to shoulder & hyoid</p></li><li><p>Action: depress hyoid to stabilize</p></li><li><p>Nerve: <span style="color: yellow;">C1-C3</span> nerve roots</p></li></ul><p></p>

27

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What muscle group are spinalis, longissimus, and iliocostalis part of?

What muscles make up the erector spinae?

28

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What is the spinalis of the vertebral column?

Which muscle of the vertebral column is:

Smallest, most medial
Action: bi = spinal ext, uni = lat flex
Nerve: posterior spinal nerve roots

<p>Which muscle of the vertebral column is:</p><ul><li><p>Smallest, most medial</p></li><li><p>Action: bi = spinal ext, uni = lat flex</p></li><li><p>Nerve: <span style="color: yellow;">posterior spinal</span> nerve roots</p></li></ul><p></p>

29

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What is the longissimus of the vertebral column?

Which muscle of the vertebral column is:

Largest
Action: bi = spinal ext, uni = lat flex
Nerve: posterior spinal nerve roots

<p>Which muscle of the vertebral column is:</p><ul><li><p>Largest</p></li><li><p>Action: bi = spinal ext, uni = lat flex</p></li><li><p>Nerve: <span style="color: yellow;">posterior spinal</span> nerve roots</p></li></ul><p></p>

30

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What is the iliocostalis of the vertebral column?

Which muscle of the vertebral column is:

Most lateral
Action: bi = spinal ext, uni = lat flex
Nerve: posterior spinal nerve roots

<p>Which muscle of the vertebral column is:</p><ul><li><p>Most lateral</p></li><li><p>Action: bi = spinal ext, uni = lat flex</p></li><li><p>Nerve: <span style="color: yellow;">posterior spinal</span> nerve roots</p></li></ul><p></p>

31

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What is the quadratus lumborum of the vertebral column?

Which muscle of the vertebral column is:

At lumbar, square
Action: lat flex spine or raise hip
Nerve: T12-L1 nerve roots

<p>Which muscle of the vertebral column is:</p><ul><li><p>At lumbar, square</p></li><li><p>Action: lat flex spine or raise hip</p></li><li><p>Nerve: <span style="color: yellow;">T12-L1</span> nerve roots</p></li></ul><p></p>

32

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What is the external oblique of the abdomen?

Which muscle of the abdomen is:

Points up, superficial to internal oblique
Action: flex spine, lat flex, opp rotation
Nerve: T7-T12 nerve roots

<p>Which muscle of the abdomen is:</p><ul><li><p>Points up, superficial to internal oblique</p></li><li><p>Action: flex spine, lat flex, opp rotation</p></li><li><p>Nerve: <span style="color: yellow;">T7-T12</span> nerve roots</p></li></ul><p></p>

33

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What is the internal oblique of the abdomen?

Which muscle of the abdomen is:

Points down, deep to the external oblique
Action: flex spine, lat flex, opp rotation
Nerve: T7-T12 nerve roots

<p>Which muscle of the abdomen is:</p><ul><li><p>Points down, deep to the external oblique</p></li><li><p>Action: flex spine, lat flex, opp rotation</p></li><li><p>Nerve: <span style="color: yellow;">T7-T12</span> nerve roots</p></li></ul><p></p>

34

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What is the rectus abdominis of the abdomen?

Which muscle of the abdomen is:

The abs, six packs
Action: flex spine
Nerve: T7-T12 nerve roots

<p>Which muscle of the abdomen is:</p><ul><li><p>The abs, six packs</p></li><li><p>Action: flex spine</p></li><li><p>Nerve: <span style="color: yellow;">T7-T12</span> nerve roots</p></li></ul><p></p>

35

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What is the transverse abdominis of the abdomen?

Which muscle of the abdomen is:

Wraps around abdomen
Action: compress abdominal contents
Nerve: T7-T12 nerve roots

<p>Which muscle of the abdomen is:</p><ul><li><p>Wraps around abdomen</p></li><li><p>Action: compress abdominal contents</p></li><li><p>Nerve: <span style="color: yellow;">T7-T12 </span>nerve roots</p></li></ul><p></p>

36

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What is the external intercostal of respiration?

Which muscle of respiration is:

Over internal intercostal, between ribs
Action: raise ribs - inhalation
Nerve: intercostal nerves

<p>Which muscle of respiration is:</p><ul><li><p>Over internal intercostal, between ribs</p></li><li><p>Action: raise ribs - inhalation</p></li><li><p>Nerve: <span style="color: yellow;">intercostal</span> nerves</p></li></ul><p></p>

37

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What is the internal intercostal of respiration?

Which muscle of respiration is:

Under external intercostal, between ribs
Action: depress ribs - exhalation
Nerve: intercostal nerves

<p>Which muscle of respiration is:</p><ul><li><p>Under external intercostal, between ribs</p></li><li><p>Action: depress ribs - exhalation</p></li><li><p>Nerve: <span style="color: yellow;">intercostal</span> nerves</p></li></ul><p></p>

38

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What is the diaphragm of respiration?

Which muscle of respiration is:

Inferior to lungs
Action: flattens central tendon - inhalation
Nerve: phrenic nerve

<p>Which muscle of respiration is:</p><ul><li><p>Inferior to lungs</p></li><li><p>Action: flattens central tendon - inhalation</p></li><li><p>Nerve: <span style="color: yellow;">phrenic nerve</span></p></li></ul><p></p>

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