Face and Neck Musculature Flashcards
(166 cards)
1
Q
What is the general origin of the muscles of facial expression
A
facial bones or adjacent muscles
2
Q
What is the general insertion of the muscles of facial expression?
A
skin
2
Q
what is the general function of the muscles of facial expressions
A
sphincters/dilators
and altering facial expression
2
Q
What muscle is on the forehead
A
the frontalis
2
Q
What muscle is under the eyebrows
A
corrugator supercilli
3
Q
What muscle is right above corners of the mouth
A
buccinator
4
Q
what muscle goes from under the the eye to around the lip
A
Maxilla
5
Q
what muscle is on the neck
A
platissma
6
Q
What muscles surrounds the mouth
A
the buccinator and oribularis oris
7
Q
What is the action of the frontalis?
A
draw scalp back and raise eyebrows
8
Q
What is the innervation of the frontalis
A
CN 7 (temporal branch)
9
Q
What is the blood supply of the frontalis
A
internal and external carotid artery
10
Q
What is the venous drainage of the frontalis
A
opthalmic vein
11
Q
what is the action of the corrugator supercilii
A
draw eyebrows medially and inferiorly (brow furrowing)
12
Q
What is the innervation of the corrugator supercilii
A
CN 7 - temporal branch
13
Q
What is the blood supply of the corrugator supercilii
A
opthalmic artery
14
Q
What is the venous drainage of the corrugator supercilii
A
superior ophtalmic vein
15
Q
what are the 3 groups of the orbicularis oculi
A
orbital, palpebral, lacrimal
16
Q
what is the action of the orbital part of orbicularis oculi
A
wink - tightly close ye
17
Q
what is the action of the palpebral part of the orbicularis oculi
A
blink - losely close eye
18
Q
What is the action of the lacrimal part of the orbicularis oculi
A
compressing lacrimal sac (release tears)
19
Q
what is the innervation of the orbicularis oculi
A
CN 7 - temporal and zygomatic
20
Q
what is the blood supply of the orbicularis oculi
A
facial, superficial temporal, and ophthalmic arteries
21
Q
what is the venous drainage of the orbicularis oculi
A
facial vein
22
What is the action of the orbicularis oris
purse and protude lips
23
what is the innervation of the orbicularis oris
CN 7 - buccal and mandibular
24
what is the blood supply of the orbicularis oris
facial artery
25
what is the venous drainge to the orbicularis oris
facial vein
26
What is the action of the buccinator
pull cheeks inward/medially
27
what is the innervation of the buccinator
CN 7 - buccal
28
What is the blood supply of the buccinator
buccal and facial artery
29
what is the venous drainage of the buccinator
pterygoid plexus and internal maxillary vein
30
What is the action of the zygomaticus major?
superior/lateral movement of mouth corners
31
what is innervation of zygomaticus major
CN 7 - zygomatic and buccal
32
what is the blood supply of the zygomaticus major
facial artery
33
what is the venous drainage of the zygomaticus major
facial vein
34
what is the action of the zygomaticus minor
superior/lateral movement of mouth corners (same as zygomaticus major)
35
what is the innervaiton of the zygomaticus minor
CN 7 - zygomatic and buccal
36
What is the blood supply of the zygomaticus minor
facial artery
37
what is the venous drainage of the zygomaticus minor
facial vein
38
what is the action of the platysma
inferior movement of mouth corners - think yikes
39
what is the innervation of the platysma
CN 7 - cervical and mandibular
40
what is the blood supply of the platysma
facial artery
41
what is the venous drainge of the platysma
facial vein
42
what muscles does the facial vein drain
orbicularis oculi , orbicularis oris, zygomaticus major, zygomaticus minor, and platysma
43
what muscles do the facial artery supply
platysma, zygomaticus major and minor, buccinator, orbicularis oris, and the oribicularis oculi
44
what is the function of the muscles of mastification
movement of the mandible
45
what are the 4 muscles of mastication
temporalis and masseter and medial pteryhoid, and lateral pterygoid
46
the lateral pterygoid is ___ to the medial pterygoid
superior
47
what is the origin of the temporalis
temporal bone
48
what is the insertion of the temporalis
coronoid process of the mandible
49
what is the innveration of the temporalis
CN 5 branch 3 (deep temporal branch of trigeminal)
49
what is the action of the temporalis
to elevate and retract the mandible
50
What is the blood supply of the temporalis
maxillary artery
51
what is the venous drainage of the temporalis
deep temporal vein
52
what is the relation of the temporalis to the zygoamtic arch
the temporalis is deep to the zygomatic arch
53
what is the origin of the masseter
zygomatic arch
54
what is the insertion of the masseter
coronoid process and ramus of the mandible
55
what is the action of the masseter
to elevate the mandible and approximate (bring together) teeth
56
what is the innervation of the masseter
CN 5 branch 3
57
what is the blood supply of the masseter
maxillary artery
58
what is the venous drainage of the masseter
massteric vein
59
what is the origin of the medial pterygoid
maxillary tuberosity and lateral pterygoid plate
60
what is the insertion of the medial pterygoid
medial ramus and angle of the mandible
61
what is the action of the medial pterygoid
elevation and side to side movement of the mandible
62
what is the innervation of the medial ptergoid
CN 5 brnach 3, medial ptergoid branch
63
what is the blood supply to the medial pterygoid
maxillary artery
64
What is the venous drainage of the medial pterygoid
pterygoid plexus
65
where does the ptergoid plexus drain into
maxillary vein
66
where does the maxillary vein drain into
retromandibular vein
67
where does the retromandibular vein drain into
internal jugular vein
68
what is the origin of the lateral pterygoid
greater wing and lateral pterygoid plate
69
what is the insertion of the lateral pterygoid
condylar process of the mandible
70
what is the action of the lateral pterygoid
protraction and side to side movement of mandible
71
what is the innervation of the lateral pterygoid
CN 5 branch 3
72
What is the blood supply of the lateral pterygoid
maxillary artery
73
what is the drainage of the lateral pterygoid
pterygoid plexus
74
what retracts the mandible
temporalis
75
what 3 muscles elevate the mandible
temporalis, masseter, and the medial pterygoid
76
what muscle protracts the mandible
lateral pterygoid
77
what muscle moves the mandible side to side
medial and lateral pterygoid
78
what are the 2 muscles of the anterior neck
platysma and the sternocleidomastoid (SCM)
79
what is the origin of the sternocleidomastoid
manubrium and clavicle
80
what is the insertion of the sternocleidomastoid
mastoid process
81
what is the unilateral action of the sternocleidomastoid
head rotation and lateral flexion
82
what is the bilateral action of the sternocleidomastoid
flexion
83
what is the innervation of the sternocleidomastoid
CN 11
84
What is the blood supply of the sternocleidomastoid
superior thyroid artery
85
what is the venous drainage of the sternocleidomastoid
internal jugular vein
86
What are the muscles of the deep anterior neck
hyoid muscles and scalene muscles
87
What are the 4 suprahyoid muscles
digatric, stylohyoid, mylohyoid, and geniohyoid
88
What are the 4 muscles of the infrahyoid
omohyoid, sternohyoid, thyroihyoid, and sternothyroid
89
what is the origin of the digastric muscle
inferior border of the mandible
90
what is the insertion of the digastric muscle
temporal bone
91
what is the action of the digastric muscle
elevate hyoid and depress mandible
92
what is the innervation of the digastric muscle
CN 5 branch 3 (anterior) and CN 7 (posterior)
93
what is the blood supply of the digastric muscle
facial artery (anterior) and occipital/posterior auricular artery (posterior)
94
What is the venous drainage of the digastric muscle
internal jugular vein
95
What is the origin of the stylohyoid
the syloid process
96
What is the insertion of the stylohyoid
hyoid
97
What is the action of the stylohyoid
elevate/retract the hyoid and elevate the tongue
98
What is the innervation of the stylohyoid
CN 7
99
What is the blood supply of the stylohyoid
occipital artery
100
What is the venous drainge of the stylohyoid
internal jugular vein
101
mylohyoid origin
mylohyoid line on the body of the mandible
102
mylohyoid insertion
inserts onto the other mylohyoid and hyoid
103
mylohyoid action
elevate hyoid, support tongue, depress mandible
104
Innervation of mylohyoid
CN5 branch 3
105
Mylohyoid blood supply
facial artery and inferior alveolar artery
106
Mylohyoid venous drainage
internal jugular vein
107
Geniohyoid origin
inferior mental spine (body of mandible)
108
geniohyoid insertion
hyoid
109
Geniohyoid action
elevate/protrude hyoid
110
Geniohyoid innervation
CN 12 C1
111
Geniohyoid blood supply
lingual artery
112
Geniohyoid venous drainage
internal jugular vein
113
omohyoid origin
scapula
114
omohyoid insertion
hyoid
115
omohyoid action
depress hyoid
116
omohyoid innervation
ansa cervicalis
117
omohyoid blood supply
superior and inferior thyroid
118
omohyoid venous drianage
superior and inferior thyroid vein
119
what is the ansa cervicalis
joinin of C1 C2 C3 that innervates infrahyoid
120
sternohyoid origin
manubrium of sternum
121
sternohyoid insertion
hyoid
122
stenohyoid action
depress hyoid
123
sternhyoid innervation
ansa cervicalis
124
sternohyoid blood supply
superior thyroid artery
125
sternohyoid venous drainage
superior thyroid vein
126
thyrohyoid origin
thyroid cartilage
127
thyrohyoid insertion
hyoid
128
thyrhyoid action
depress hyoid
129
thyrohyoid innervation
C1 - sheath of C12
130
thyrohyoid blood supply
superior thyroid artery
131
thyrohyoid venous drainage
superior thyroid vein
132
sternothryoid origin
menubrium of sternum
133
sternothyroid insertion
thyroid cartilage
134
sternothyroid action
depress hyoid and open laryngeal inley
135
sternothyroid innervation
ansa cervicalis
136
sternothyroid blood supply
superior thryoid artery
137
sternothyroid venous drainage
superior thyroid vein
138
what muscles of the infrahyoid are drained by superior thyroid vein
all of them!
sternothyroid
thyro
sterno
omo
139
what muscles are supplied by the superior thyroid artery in the infrahyoid
all of them
sternothyroid, thyrohyoid, sternohyoid, omohyoid
140
how many scalene muscles do we have in the neck
3
141
What is the origin of the scalene muscles
btw ribs 1 and 2
142
wha is the insertion of the scalene muscles
transverse process of c1/c2 vertebrae
143
what is the action of the scale muscles
neck flexion and rotation
144
what is the innervation of the scalene muscles
C3-T8
145
what is the blood supply of the scalene muscles
inferior thyroid artery
146
what is the venous drainage of the scalene muscles?
infeior thyroid vein
147
where is the stylohyoid
goes from upper neck to above mastoid process - above the posterior belly of the diagastric muscle
148
Where is the posterior belly of the digastric muscle
below stylohyoid - goes from upper neck to mastoid procss
149
where is the mylohyoid?
under the chin, more superiro than geniohyoid
150
Where is geniohyoid
under chin, more inferior than mylohyoid
151
Where is thyrohyoid
on neck
152
where is sternohyoid
on neck
153
where is stenothyroid
on neck
154
where is omohyoid
goes from neck to clavicle
155
where are the scalenes?
back of the neck
156
what is the most superficial muscle on the posterior neck
trapezius
157
What 3 muscles are in the suboccipital triangle?
obliquus capitis superior, rectus capitis posterior major, obliquus capitis inferior
158
what is the adjacent muscles of the suboccipital triangle?
rectus capitis posterior minor
159
what are the functions of the suboccipital triangle
neck extension and rotation AND postural support
160
what muscle is directly below trapezius?
splenius capitis
161
what muscle is lateral to the splenius capitis
levator scapulae
162
what muscle sits directly overtop of the suboccipital triangle?
semisinalis capitis
