Lesson 7: Facial & Cervical Muscles Flashcards

(59 cards)

1
Q

Posterior Cervical Muscles

What are the actions of the splenius capitis and splenius cervicis?

A

unilaterally: rotate head & neck to same side, laterally flex head to same side

bilaterally: extend head and neck

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2
Q

Posterior Cervical Muscles

What is the origin of the splenius capitis?

A

inferior ligamentum nucahe, spinous processes C7-T4

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3
Q

Posterior Cervical Muscles

What is the insertion of the splenius capitis?

A

mastoid process, lateral superior nuchal line

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4
Q

Posterior Cervical Muscles

What is the origin of the splenius cervicis?

A

spinous processes T3-T6

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5
Q

Posterior Cervical Muscles

What is the insertion of the splenius cervicis?

A

transverse processes C1-C3

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6
Q

Posterior Cervical Muscles

What is the origin of the rectus capitis posterior major?

A

spinous processes C2 (axis)

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7
Q

Posterior Cervical Muscles

What is the insertion of the rectus capitis posterior major?

A

occiput (inferior nuchal line)

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8
Q

Posterior Cervical Muscles

What is the origin of the rectus capitis posterior minor?

A

tubercle of C1 (atlas), posterior arch

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9
Q

Posterior Cervical Muscles

What is the insertion of the rectus capitis posterior minor?

A

occiput (inferior nuchal line)

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10
Q

Posterior Cervical Muscles

What is the origin of the oblique capitis superior?

A

transverse process C1 (atlas)

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11
Q

Posterior Cervical Muscles

What is the insertion of the oblique capitis superior?

A

occiput (between nuchal lines)

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12
Q

Posterior Cervical Muscles

What is the origin of the oblique capitis inferior?

A

spinous proces C2 (axis)

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13
Q

Posterior Cervical Muscles

What is the insertion of the oblique capitis inferior?

A

transverse process C1 (atlas)

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14
Q

Posterior Cervical Muscles

What are the actions of the rectus capitis posterior major?

A

rock/tilt head into extension
rotate head to same side

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15
Q

Posterior Cervical Muscles

What is the action of the rectus capitis posterior minor?

A

rock/tilt head into extension

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16
Q

Posterior Cervical Muscles

What are the actions of the oblique capitis superior?

A

rock/tilt head into extension
laterally flex head to same side

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17
Q

Posterior Cervical Muscles

What is the action of the oblique capitis inferior?

A

rotate head to same side

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18
Q

Muscles of Facial Expression

What is the action of the occipitalis?

A

anchor and retract galea posteriorly

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19
Q

Muscles of Facial Expression

What is the origin of the occipitalis?

A

galea aponeurotica

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20
Q

Muscles of Facial Expression

What is the insertion of the occipitalis?

A

occiput (superior nuchal line)

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21
Q

Muscles of Facial Expression

What are the actions of the frontalis?

A

raise eyebrows
wrinkle forehead

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22
Q

Muscles of Facial Expression

What is the origin of the frontalis?

A

galea aponeurotica

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23
Q

Muscles of Facial Expression

What is the insertion of the frontalis?

A

skin superior to eyebrows

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24
Q

Muscles of Facial Expression

What is the action of the orbicularis oculi?

25
# Muscles of Facial Expression What are the actions of the *orbicularis oris*?
close mouth & shape lips during eating and speaking
26
# Muscles of Facial Expression What is the action of the *zygomaticus major*?
pull corner of mouth upward and laterally with bilateral contraction (wide smile)
27
# Muscles of Facial Expression What is the action of the *zygomaticus minor*?
elevate and protrude upper lip (closed smile, grimace)
28
# Muscles of Facial Expression What is the action of the *buccinator*?
tighten the corner of the lip and press cheek firmly against the teeth
29
# Muscles of Facial Expression What are the actions of the *platysma*?
tighten fascia of the neck draw down corner of mouth depress mandible (assist)
30
# Muscles of Facial Expression What is the origin of the *platysma*?
fascia covering superior part of pectoralis major
31
# Muscles of Facial Expression What is the insertion of the *platysma*?
base of mandible, skin of lower part of face
32
# Muscles of Mastication What are the actions of the *temporalis*?
elevate and retract mandible
33
# Muscles of Mastication What is the origin of the *temporalis*?
temporal fossa and fascia
34
# Muscles of Mastication What is the insertion of the *temporalis*?
coronoid process of mandible
35
# Muscles of Mastication What are the actions of the *masseter*?
elevate and protract mandible
36
# Muscles of Mastication What is the origin of the *masseter*?
zygomatic arch
37
# Muscles of Mastication What is the insertion of the *masseter*?
angle of mandible
38
# Muscles of Mastication What are the actions of the *medial pterygoid*?
unilaterally: laterally deviate mandible to opposite side bilaterally: elevate and protract mandible
39
# Muscles of Mastication What is the origin of the *medial pterygoid*?
lateral pterygoid plate of sphenoid (medial surface)
40
# Muscles of Mastication What is the insertion of the *medial pterygoid*?
medial surface of ramus of mandible
41
# Muscles of Mastication What are the actions of the *lateal pterygoid*?
unilaterally: laterally deviate mandible to opposite side bilaterally: protract mandible
42
# Muscles of Mastication What is the origin of the *lateral pterygoid*?
superior head: infratemporal surface and crest of greater wing of sphenoid bone inferior head: lateral surface of lateral pterygoid plate of sphenoid bone
43
# Muscles of Mastication What is the insertion of the *lateral pterygoid*?
articular disc and capsule of temporomandibular joint, neck of mandible
44
# Anterior Cervical Muscles What are the actions of the *longus capitis*?
unilaterally: laterally flex head and neck to same side, rotate head and neck to same side bilaterally: flex head and neck
45
# Anterior Cervical Muscles What is the origin of the *longus capitis*?
transverse processes of C3-C6
46
# Anterior Cervical Muscles What is the insertion of the *longus capitis*?
inferior surface of occiput
47
# Anterior Cervical Muscles What are the actions of the *longus colli*? | (same as *longus capitis*)
unilaterally: laterally flex head and neck to same side, rotate head and neck to same side bilaterally: flex head and neck
48
# Anterior Cervical Muscles What is the origin of the *longus colli*?
transverse processes C3-C5, bodies C5-T3
49
# Anterior Cervical Muscles What is the insertion of the *longus colli*?
tubercle on anterior arch C1 (atlas), bodies C2-C4, transverse processes C5-C6
50
# Anterior Cervical Muscles What are the actions of the *scalenes*?
unilaterally: laterally flex head and neck to same side (with ribs fixed), rotate head and neck to opposite side bilaterally: elevate ribs during inhalation, flex head and neck* | *scalenus anterior only
51
# Anterior Cervical Muscles What is the origin of the *scalenus anterior*?
transverse processes of C3-C6 (anterior tubercles)
52
# Anterior Cervical Muscles What is the insertion of the *scalenus anterior*?
first rib
53
# Anterior Cervical Muscles What is the origin of the *scalenus medius*?
transverse processes of C2-C7 (posterior tubercles)
54
# Anterior Cervical Muscles What is the insertion of the *scalenus medius*?
first rib
55
# Anterior Cervical Muscles What is the origin of the *scalenus posterior*?
transverse processes of C6-C7 (posterior tubercles)
56
# Anterior Cervical Muscles What is the insertion of the *scalenus posterior*?
second rib
57
# Anterior Cervical Muscles What are the actions of the *sternocleidomastoid*?
unilaterally: laterally flex head and neck to same side, rotate head and neck to opposite side bilaterally: flex neck, elevate ribs during inhalation (assist)
58
# Anterior Cervical Muscles What is the origin of the *sternocleidomastoid*?
sternal head: top of manubrium clavicular head: medial clavicle
59
# Anterior Cervical Muscles What is the insertion of the *sternocleidomastoid*?
mastoid process of temporal bone