Muscles Flashcards
(172 cards)
1
Q
Trapezius: actions
A
Rotates, elevates, retracts, and depresses the scapula
2
Q
Trapezius: innervation (motor)
A
Spinal accessory n
3
Q
Sternocleidomastoid: Superior attachment
A
Mastoid process, lateral half of superior nuchal line
4
Q
Sternocleidomastoid: action
A
Laterally flexes the head and rotates the face to opposite side (unilateral), extends head (bilateral)
5
Q
Sternocleidomastoid: innervation
A
Spinal accessory n
6
Q
Platysma: action
A
Tenses the skin of the neck, depresses the mandible
7
Q
Platysma: innervation
A
Cervical branch of the facial nerve
8
Q
Sternohyoid: SA
A
body of hyoid bone
9
Q
Sternohyoid: IA
A
posterior surface of manubrium of sternum
10
Q
Sternohyoid: action
A
Depress hyoid
11
Q
Sternohyoid: I
A
Ansa cervicalis (C1-C3)
12
Q
Omohyoid: SA
A
inferior border of hyoid bone
13
Q
Omohyoid: IA
A
superior border of scapula near suprascapular notch
14
Q
Omohyoid: Action
A
Depresses and retracts the hyoid
15
Q
Omohyoid: I
A
Ansa cervicalis (C1-C3)
16
Q
Sternothyroid: SA
A
Oblique line of thyroid cartilage
17
Q
Sternothyroid: IA
A
Posterior surface of manubrium of sternum
18
Q
Sternothyroid: action
A
Depresses thyroid cartilage and larynx
19
Q
Sternothryoid: I
A
Ansa cervicalis (C1-C3)
20
Q
Thyrohyoid: SA
A
Inferior border of body and greater horn of hyoid
21
Q
Thyrohyoid: IA
A
Oblique line of thyroid cartilage
22
Q
Thryohyoid: action
A
depresses hyoid and elevates the thyroid cartilage and larynx
23
Q
Thyrohyoid innervation
A
C1 via hypoglossal n.
24
Q
Digastric: SA
A
Digastric fossa of mandible (anterior belly)
25
Digastric: IA
Mastoid process of the temporal bone (posterior belly)
26
Digastric: action
elevates hyoid and depresses mandible
27
Digastric: innervation
```
nerve to mylohyoid (anterior belly)
Facial n (posterior belly)
```
28
Stylohyoid superior attachment
Styloid process
29
Stylohyoid: IA
body of the hyoid
30
Stylohyoid: A
elevates hyoid
31
Stylohyoid: I
Facial n
32
Mylohyoid: SA
mylohyoid line of mandible
33
Mylohyoid: IA
hyoid bone and mylohyoid raphe
34
Mylohyoid: action
supports the floor of the oral cavity
35
Mylohyoid: I
n. to mylohyoid
36
Anterior scalene: IA
First rib
37
Anterior scalene: action
Flexes neck, elevates first rib during inspiration
38
Anterior scalene: I
Anterior rami C4-6
39
Middle scalene: IA
First rib
40
Middle scalene: A
Flexes neck, elevates first rib during inspiration
41
Middle scalene: I
Anterior rami C2-C6
42
Posterior scalene: IA
second rib
43
Posterior scalene: A
Flexes neck laterally, elevates second rib during inspiratoin
44
Posterior scalene: I
anterior rami C7-C8
45
Orbicularis oculi: A
tightly closes the eye (orbital part), blinking (palpebral part)
46
Orbicularis oculi: I
Facial n
47
Levator labii superioris: MA
Upper lip
48
Levator labii superioris: LA
maxilla just below the orbital margin
49
Levator labii superioris: A
elevates upper lip
50
Levator labii superioris: I
Facial n
51
Zygomaticus major: MA
angle of the mouth
52
Zygomaticus major: LA
zygomatic bone
53
Zygomaticus major: action
draws angle of mouth superiorly and posteriorly
54
Zygomaticus major: innervation
facial n
55
Orbicularis oris: LA
angle of the mouth
56
Orbicularis oris: A
sphincter of mouth
57
Orbicularis oris: I
facial n
58
Buccinator: MA
angle of the mouth
59
Buccinator: A
compresses cheek against molar teeth, keeping food on the occlusal surfaces during chewing
60
Buccinator: I
Facial n
61
Depressor anguli oris: MA
angle of the mouth
62
Depressor anguli oris: LA
mandible
63
Depressor anguli oris: A
depresses the angle of the mouth
64
Depressor anguli oris: I
facial n
65
Depressor labii inferioris: MA
lower lip
66
Depressor labii inferioris: LA
mandible
67
Depressor labii inferioris: A
depresses lower lip
68
Depressor labii inferioris: I
facial n
69
Masseter: SA
zygomatic arch
70
Masseter: IA
ramus and angle of mandible
71
Masseter: Actions
Elevates and protrudes mandible
72
Masseter: I
CN V3 via mandibular n
73
Temporalis: SA
floor of temporal fossa
74
Temporalis: IA
Coronoid process and ramus of mandible
75
Temporalis: A
Elevates and retrudes mandible
76
Temporalis: I
CN V3 via deep temporal nn
77
Medial pterygoid: IA
medial surface of ramus of mandible
78
Medial pterygoid: A
Elevates and protrudes mandible (bilateral), side to side movement of mandible (unilateral)
79
Medial pterygoid: I
CN V3 via medial pterygoid n
80
Lateral pterygoid: A
Depresses and protrudes mandible (bilateral), side to side movement of mandible (unilateral)
81
Lateral pterygoid: I
CN V3 via lateral pterygoid n
82
Levator palpebrae superioris: AA
tarsal plate of the upper eyelid
83
Levator palpebrae superioris PA
sphenoid bone
84
Levator palpebrae superioris: A
elevation and retraction of the upper eyelid
85
Levator palpebrae superioris i
oculomotor n
86
superior rectus: aa
sclera
87
Superior rectus: pa
common tendinous ring
88
superior rectus: A
elevates and adduction of eye
89
superior rectus: I
oculomotor
90
superior oblique: AA
sclera
91
superior oblique: IA
sphenoid bone
92
superior oblique: A
depression, intorsion, and abduction of the eye
93
superior oblique: I
trochlear n
94
lateral rectus: AA
sclera
95
lateral rectus: pa
common tendinous ring
96
lateral rectus: action
abduction of eye
97
lateral rectus innervation
abducens
98
medial rectus: AA
sclera
99
medial rectus: PA
common tendinous ring
100
medial rectus: A
adduction of the eye
101
medial rectus: I
oculomotor n
102
inferior rectus: AA
sclera
103
inferior rectus: PA
common tendinous ring
104
inferior rectus: A
depression and adduction of the eye
105
inferior rectus: I
oculomotor
106
Inferior oblique: AA
sclera
107
inferior oblique: PA
maxilla
108
inferior oblique: action
elevation, extorsion, and abduction of eye
109
inferior oblique: innervation
oculomotor
110
Superior phayngeal constrictor: AA
pterygoid hamulus
111
Superior phayngeal constrictor: PA
pharyngeal tubercle
112
Superior phayngeal constrictor: A
constrict wall of pharynx during swallowing
113
Superior phayngeal constrictor: I
vagus n
114
Middle pharyngeal constrictor: AA
greater horn of the hyoid bone
115
Middle pharyngeal constrictor: IA
pharyngeal raphe
116
Middle pharyngeal constrictor: A
constrict wall of pharyx during swallowing
117
Middle pharyngeal constrictor: I
vagus n
118
Inferior pharyngeal constrictor: PA
pharyngeal raphe
119
Inferior pharyngeal constrictor: A
constrict wall of pharynx during swallowing
120
Inferior pharyngeal constrictor: I
vagus n
121
Stylopharyngeus: AA
styloid process
122
Stylopharyngeus: PA
thryoid cartilage
123
Stylopharyngeus: A
elevate pharynx and larynx during swallowing and speaking
124
Stylopharyngeus: I
glossopharyngeal n
125
Palatoglossus: SA
palatine aponeurosis
126
palatoglossus: IA
lateral aspect of the tongue
127
palatoglossus: A
elevates tongue and depresses soft palate
128
palatoglossus: I
vagus n
129
Palatopharyngeus: SA
hard palate
130
Palatopharyngeus: IA
thyroid cartilage
131
Palatopharyngeus: A
elevates larynx during swallowing and speaking
132
Palatopharyngeus: I
vagus n
133
Salpingopharyngeus: SA
cartilage of eustachian tube
134
Salpingopharyngeus: IA
thyroid cartilage
135
Salpingopharyngeus: A
elevates larynx during swallowing and speaking
136
Salpingopharyngeus: I
vagus n
137
Musculus uvulae: SA
posterior nasal spine
138
Musculus uvulae: IA
palatine aponeurosis
139
Musculus uvulae: A
elevates and retracts uvula
140
Musculus uvulae: I
vagus n
141
Levator veli palatini: SA
cartilage of eustachian tube and petrous part of temporal bone
142
Levator veli palatini: IA
palatine aponeurosis
143
Levator veli palatini: a
elevates and retracts uvula
144
Levator veli palatini: I
vagus
145
Tensor veli palatini: SA
scaphoid fossa and spine of sphenoid bone
146
Tensor veli palatini: IA
palatine aponeurois
147
Tensor veli palatini: A
tenses soft palate
148
Tensor veli palatini: I
mandibular division of trigeminal (CN V3)
149
Geniohyoid: SA
inferior mental spine of mandible
150
Geniohyoid: IA
body of hyoid bone
151
Geniohyoid: A
pulls the hyoid bone anteriorly
152
Geniohyoid: I
Hypoglossal n
153
Genioglossus: SA
superior mental spine of the mandible
154
Genioglossus: IA
hyoid bone and tongue
155
Genioglossus: actions
depresses and protrudes the tongue
156
Genioglossus: I
hypoglossal n
157
hyoglossus: SA
tongue
158
hyoglossus: IA
body and greater horn of hyoid bone
159
hyoglossus: A
depresses and retracts tongue
160
hyoglossus: I
hypoglossal n
161
styloglossus: SA
styloid process
162
styloglossus: IA
tongue
163
styloglossus: A
retracts tongue and draws it superiorly
164
styloglossus: I
hypoglossal n
165
Cricothyorid: SA
inferior margin and inferior horn of cartilage
166
Cricothyorid: IA
anterolateral surface of cricoid cartilage
167
Cricothyorid: A
tilts the thyroid cartilage anteriorly to lengthen (tense) vocal cords
168
Cricothyorid: I
external branch of the superior laryngeal n
169
Posterior cricoarytenoid: SA
muscular process of arytenoid cartilage
170
Posterior cricoarytenoid: IA
posterior surface of the lamina of cricoid cartilage
171
Posterior cricoarytenoid: A
rotates arytenoid cartilage laterally to abduct vocal cords
172
Posterior cricoarytenoid: I
Inferior laryngeal branch of the recurrent laryngeal
