Brainscape's Knowledge GenomeTM


Top Flashcards (Certified)
All Flashcards

Semester 2 Biological Sciences 2 > Muscles of the Head and Neck > Flashcards

Muscles of the Head and Neck Flashcards

(100 cards)

Start Studying
1
Q

more movable end

A

insertion

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

less movable end

A

origin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

contracting and shortening results in…….

A

insertion moving towards origin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

what are the two cervical muscles

A

sternocleidomastoid and trapezius

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

what are the cervical muscles innervated by

A

cranial nerve XI

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

what is the origin of the sternocleidomastoid muscle

A

sternum and medial portion of clavicle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

what is the insertion of the sternocleidomastoid muscle

A

mastoid process of temporal bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

what is the action of the sternocleidomastoid muscle

A

flex, bend, and rotate head

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

large muscle of neck, shoulders, and back

A

trapezius muscle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

what is the origin of the trapezius muscle

A

occipital bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

what is the insertion of the trapezius muscle

A

lateral portion of clavicle and scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

what cranial nerve innervates all muscles of facial expressions

A

cranial nerve XII

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

front belly of the occipitofrontalis

A

frontalis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

what is the action of the frontalis

A

raise eyebrows

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

wraps over the scalp

A

occipitofrontalis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

what separates the occipitofrontalis

A

epicranial aponeurosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

what is the action of the corrugated supercilii

A

pulls eyebrows together

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

what is the action of the depressor supercilii

A

depresses eyebrows

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

what is the action of the orbicularis oculi

A

close eyes, scrunch eyes, squinting

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

what is the action of the procures

A

wrinkle nose (with transverse part of nasalis)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

what is the action of the nasalis

A

wrinkle nose ( transverse part ). flare nostrils ( ala part )

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

what is the action of the levator labii superioris alaeque nasi

A

helps flare nostrils and elevate lip

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

what is another name for the levator labii superioris alaeque nasi

A

levator nasolabialis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

what is the action of the levator labii superioris

A

lift lips

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
what are the smiling muscles
Zygomaticus major Zygomaticus minor Levator anguli oris
26
what is the action of the zygomaticus major
lift corners of the mouth toward the zygomatic arch
27
what is the action of the zygomaticus minor
lift corners of the mouth toward the zygomatic arch
28
what is the action of the levator anguli oris
lift corners of mouth
29
what is the action of the risorius
pull corners of the mouth straight back
30
what is the action of the orbicularis oris
close mouth, pout, "duck lips", roll lips inwards
31
what is the action of the depressor labii inferioris
lowers lip exposing teeth opposite to the levator labii superioris
32
what is the action of the depressor anguli oris
depresses corners of the mouth opposite to the levator anguli oris
33
what is the action of the mentalis
protrude lip
34
large superficial sheet like muscle
platysma
35
what is the action of the platysma
moves skin of neck, depressed mandible
36
what is the action of the buccinator
provide tone to cheeks, move food, blow air
37
what are the two groups of hyoid muscles
suprahyoid and infrahyoid
38
what are the infra hyoid muscles
omohyoid sternohyoid sternothyroid thyrohyoid
39
what muscles depress the hyoid bone during swallowing
omohyoid sternohyoid sternothyroid thyrohyoid INFRAHYOID MUSCLES
40
what are the suprahyoid muscles
digastric mylohyoid geniohyoid stylohyoid
41
what are the two stomachs of the digastric muscle
anterior and posteror
42
what is the origin of the stylohyoid muscle
styloid process
43
what is the insertion of the stylohyoid muscle
hyoid bone
44
what is the origin of the geniohyoid muscle
genial tubercle on posterior aspect of mandible
45
what is the insertion of the geniohyoid muscle
hyoid bone
46
forms floor of the mouth
mylohyoid
47
what is the origin of the mylohyoid muscle
mylohyoid line of mandible
48
what is the insertion of the mylohyoid muscle
hyoid bone
49
muscles that elevate the jaw are ________
relaxing
50
hyoid elevation occurs from the ___________ muscle
mylohyoid
51
the jaw depresses by the ____________ muscles
suprahyoid
52
what are the muscles of mastication
temporalis masseter lateral pterygoid medial pterygoid
53
what cranial nerve innervates the muscles of mastication
V3 of cranial nerve X
54
broad fan shaped muscle
temporalis
55
what is the origin of the temporalis
temporal fossa
56
what is the insertion of the temporalis
coronoid process of mandible
57
what is the action of the temporalis
mandible elevation and retraction
58
what is the innervation of the temporalis
deep temporal nerves (CN V3)
59
what muscle is powerful with superficial and deep heads
masseter
60
what is the origin of the masseter
zygomatic arch
61
what is the insertion of the masseter
lateral aspect of ramus/angle
62
what is the action of the masseter
mandible elevation
63
what is the innervation of the masseter
masseteric nerve
64
what are the two heads of the medial pterygoid
superficial and deep
65
what is the origin of the medial pterygoid
lateral pterygoid plate of the sphenoid bone and maxilla
66
what is the insertion of the medial pterygoid
angle of mandible
67
what is the action of the medial pterygoid
mandible elevation, lateral movement, protraction
68
what is the innervation of the medial pterygoid
nerve to medial pterygoid muscle
69
what are the two heads of the lateral pterygoid
superior and inferior
70
what is the origin of the lateral pterygoid
lateral pterygoid plate and greater wing of sphenoid bone
71
what is the insertion of the lateral pterygoid
neck of mandibular condyle
72
what is the action of the lateral pterygoid
lateral and protrusive movements of the mandible
73
what is the innervation of the lateral pterygoid
nerve to lateral pterygoid muscle
74
what muscles close/elevate the jaw
masseter temporalis medial pterygoid
75
what muscle retracts the jaw
temporalis
76
what muscle protracts the jaw
lateral and medial pterygoids
77
what muscle creates lateral excursion of the jaw
lateral and medial pterygoids
78
what muscles open/depress the jaw
lateral pterygoid suprahyoid muscles platysma
79
what innervates the tongue muscles
cranial nerve XII
80
what are the extrinsic muscles of the tongue
genioglossus styloglossus hyoglossus palatoglossus
81
what is the origin of the genioglossus
genial tubercles
82
what is the insertion of the genioglossus
tongue
83
what is the action of the genioglossus
protrude and depress the tongue
84
what is the origin of the styloglossus
styloid process
85
what is the insertion of the styloglossus
lateral and anterior tongue
86
what are the actions of the styloglossus
retract tongue
87
what is the origin of the hyoglossus
hyoid bone
88
what is the insertion of the hyoglossus
lateral tongue
89
what is the action of the hyoglossus
depresses tongue
90
actually a soft palate muscle
palatoglossus
91
which tongue muscle is not innervated by cranial nerve XII
palatoglossus
92
what are the intrinsic muscles of the tongue
superior longitudinal vertical transverse inferior longitudinal
93
what are the right and left intrinsic muscles of the tongue separated by
median septum
94
what is the action of the intrinsic muscles of the tongue
changes tongue shape
95
what are the muscles of the soft palate
palatoglossus palatopharyngeus levator veli palatini tensor veli palatini
96
what cranial nerve innervates the muscles of the soft palate
cranial nerve X
97
what are the muscles of the soft palate used for
speaking and swallowing
98
what do the palatopharyngeus and palatoglossus form
tonsils
99
what is the action of the palatopharyngeus and palatoglossus
pull soft palate down and the tongue up during swallowing
100
what is the action of the elevator veli palatini and tensor veli palatini
move palate up and close off the nasopharynx during speech and swallowing

Semester 2 Biological Sciences 2 (16 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions