Quiz 4: Head & Neck Flashcards
(111 cards)
1
Q
platysma origin
A
skin over lower neck and upper lateral thorax
2
Q
platysma insertion
A
mandible (inferior border)
skin over lower face and angle of mouth
3
Q
platysma action
A
depress and wrinkles of lower face and mouth
tenses skin of neck
aids forced depression of mandible
4
Q
sternocleidomastoid (sternal head) origin
A
sternum
5
Q
sternocleidomastoid (clavicular head) origin
A
clavicle
6
Q
sternocleidomastoid insertion
A
temporal bone (mastoid process) occipital bone (superior nuchal line)
7
Q
sternocleidomastoid action
A
unilateral: tilts head SAME side, rotates head OPPOSITE side
bilateral: extends head, aids in respiration when head is fixed
8
Q
omohyoid origin
A
scapula
9
Q
omohyoid insertion
A
hyoid bone
10
Q
sternohyoid origin
A
manubrium and sternoclavicular joint
11
Q
sternohyoid insertion
A
hyoid bone
12
Q
sternothyroid origin
A
manubrium
13
Q
sternothyroid insertion
A
thyroid cartilage
14
Q
omohyoid, sternohyoid and sternothyroid action
A
depress hyoid
draws larynx and hyoid down for phonation and terminal phases of swallowing
15
Q
thyrohyoid origin
A
thyroid cartilage
16
Q
thyrohyoid insertion
A
hyoid bone
17
Q
thyrohyoid action
A
depresses and fixes hyoid
raises larynx during swallowing
18
Q
longus capitis origin
A
C3-C6
19
Q
longus capitis insertion
A
occipital bone
20
Q
longus capitis action
A
flexion of head
21
Q
longus colli (vertical) origin
A
C5-T3
22
Q
longus colli (vertical) insertion
A
C2-T3
23
Q
longus colli (superior oblique) origin
A
C3-C5
24
Q
longus colli (superior oblique) insertion
A
atlas
25
longus colli (inferior oblique) origin
T1-T3
26
longus colli (inferior oblique) insertion
C5-C6
27
longus colli action
unilateral: tilts and rotates C-spine to OPPOSITE side
bilateral: forward flexion of C-spine
28
occipitofrontalis origin
epicranial aponeurosis
29
occipitofrontalis insertion
skin and subcutaneous tissue of eyebrows and forehead
30
occipitofrontalis action
elevates eyebrows
| wrinkles skin of forehead
31
procerus origin
nasal bone
| lateral nasal cartilage
32
procerus insertion
skin of lower forehead between eyebrows
33
procerus action
pulls medial angle of eyebrows inferiorly
34
orbicularis oculi origin
medial orbital margin
medial palpebral ligament
lacrimal bone
35
orbicularis oculi insertion
skin around margin of orbit
| superior and inferior tarsal plates
36
orbicularis oculi action
closes eyelids
| acts as orbital sphincter
37
nasalis origin
maxilla
38
nasalis insertion
nasal cartilages
39
nasalis action
flares nostrils
40
anterior scalene origin
C3-C6
41
anterior scalene insertion
1st rib - scalene tubercle
42
middle scalene origin
C1-C2
43
middle scalene insertion
1st rib - posterior to groove for subclavian a.
44
posterior scalene origin
C5-C7
45
posterior scalene insertion
2nd rib
46
scalene action
with ribs mobile: elevates upper ribs
| with ribs fixed: flexes C-spine to SAME side
47
anterior auricular muscles origin
temporal fascia
48
anterior auricular muscles insertion
helix of ear
49
anterior auricular muscles action
pull ear superiorly and anteriorly
50
superior auricular muscles origin
epicranial aponeurosis on side of head
51
superior auricular muscles insertion
upper portion of auricle
52
superior auricular muscles action
elevate ear
53
posterior auricular muscles origin
mastoid process
54
posterior auricular muscles insertion
convexity of concha of ear
55
posterior auricular muscles action
pull ear superiorly and posteriorly
56
zygomaticus major origin
zygomatic bone
57
zygomaticus major insertion
skin at corner of mouth
58
zygomaticus major action
pulls corner of mouth superiorly and laterally
59
zygomaticus minor origin
zygomatic bone
60
zygomaticus minor insertion
upper lip medial to corner of mouth
61
zygomaticus minor action
pulls upper lip superiorly
62
levator labii superioris/alaeque nasi origin
maxilla
63
levator labii superioris/ insertion
skin of upper lip
| alar cartilages of nose
64
levator labii superioris action
elevates upper lip
dilates nostril
raises angle of the mouth
65
depressor labii inferioris origin
mandible
66
depressor labii inferioris insertion
lower lip at midline
67
depressor labii inferioris action
pulls lower lip inferiorly and laterally
68
levator anguli oris origin
maxilla
69
levator anguli oris insertion
skin at corner of mouth
70
levator anguli oris action
raises angle of mouth
| helps form nasolabial furrow
71
depressor anguli oris origin
mandible
72
depressor anguli oris insertion
skin at corner of mouth
73
depressor anguli oris action
pulls angle of mouth inferiorly and laterally
74
buccinator origin
mandible
alveolar process of maxilla and mandible
pterygomandibular raphe
75
buccinator insertion
angle of mouth
| orbicularis oris
76
buccinator action
presses cheek against molar teeth
expels air from oral cavity
draws mouth to one side
77
orbicularis oris origin
deep surface of skin
superiorly: maxilla
inferiorly: mandible
78
orbicularis oris insertion
mucous membrane of lips
79
orbicularis oris action
oral sphincter
80
risorius origin
fascia over masseter
81
risorius insertion
skin of corner of the mouth
82
risorius action
retracts corner of mouth as in grimacing
83
mentalis origin
mandible
84
mentalis insertion
skin of chin
85
mentalis action
elevates and protrudes lower lip
86
masseter origin
zygomatic arch
87
masseter insertion
mandibular angle
88
masseter action
elevates and protrudes mandible
89
temporalis origin
temporal fossa
90
temporalis insertion
coronoid process of mandible
91
temporalis action
vertical fibers: elevates mandible
horizontal fibers: retract mandible
unilateral: lateral movement of mandible (chewing)
92
lateral pterygoid origin
superior: sphenoid bone
inferior: pterygoid plate
93
lateral pterygoid insertion
superior: temporomandibular joint
inferior: mandible
94
lateral pterygoid action
bilateral: protrudes mandible
unilateral: chewing
95
medial pterygoid origin
superficial: maxilla
deep: lateral pterygoid plate and pterygoid fossa
96
medial pterygoid insertion
pterygoid tuberosity
97
medial pterygoid action
bilateral: elevates mandible with masseter, contributes to protrusion
unilateral: small grinding movements
98
digastric origin
anterior belly: mandible
| posterior belly: temporal bone
99
digastric insertion
hyoid bone
100
stylohyoid origin
tempora bone
101
stylohyoid insertion
hyoid bone
102
digastric and stylohyoid action
elevates hyoid bone
103
mylohyoid origin
mandible
104
mylohyoid insertion
hyoid bone
105
mylohyoid action
tightens and elevates oral floor
draws hyoid bone forward
assists in opening mandible and moving it side to side
106
geniohyoid origin
mandible
107
geniohyoid insertion
hyoid bone
108
geniohyoid action
draws hyoid forward
| assists in opening mandible
109
hypoglossus origin
hyoid bone
110
hypoglossus insertion
sides of tongue
111
hypoglossus action
depresses tongue
