Axial Muscles Flashcards
Origin Insertion Action
1
Q
origin of frontalis
A
epicranial aponeurosis
2
Q
insertion of frontalis
A
skin of forehead
3
Q
action of frontalis
A
furrow brow
4
Q
origin of occipitalis
A
superior nuchal line
5
Q
insertion of occipitalis
A
epicranial aponeurosis
6
Q
action of occipitalis
A
tense scalp
7
Q
origin of orbicularis oculi
A
medial orbital margin
8
Q
insertion of orbicularis oculi
A
eyelids
9
Q
action of orbicularis oculi
A
close eyelids
10
Q
origin of orbicularis oris
A
surrounding lips
11
Q
insertion of orbicularis oris
A
lips at corner of mouth
12
Q
action of orbicularis oris
A
close lips
13
Q
origin of depressor anguli oris
A
body of mandible
14
Q
insertion of depressor anguli oris
A
lips at corner of mouth
15
Q
action of depressor anguli oris
A
frowning
16
Q
origin of depressor labii inferioris
A
body of mandible
17
Q
insertion of depressor labii inferioris
A
lower lip
18
Q
action of depressor labii inferioris
A
depress lower lip
19
Q
origin of levator labii superioris
A
maxilla (infraorbital margin)
20
Q
insertion of levator labii superioris
A
upper lip
21
Q
action of levator labii superioris
A
elevate upper lip
22
Q
origin of zygomaticus major
A
temporal process of zygomatic bone
23
Q
insertion of zygomaticus major
A
lips at corner of mouth
24
Q
action of zygomaticus major
A
smiling
25
origin of zygomaticus minor
zygomatic bone (medial to temporal process)
26
insertion of zygomaticus minor
lips at corner of mouth
27
action of zygomaticus minor
smiling
28
origin of buccinator
maxilla and mandible
29
insertion of buccinator
orbicularis oris
30
action of buccinator
compress cheeks
31
origin of inferior rectus
sphenoid
32
insertion of inferior rectus
inferior surface of eye
33
action of inferior rectus
eye looks down
34
origin of medial rectus
sphenoid
35
insertion of medial rectus
medial surface of eye
36
action of medial rectus
rotate eye medially (adduct)
37
origin of superior rectus
sphenoid
38
insertion of superior rectus
superior surface of eye
39
action of superior rectus
eye looks up
40
origin of lateral rectus
sphenoid
41
insertion of lateral rectus
lateral surface of eye
42
action of lateral rectus
rotate eye laterally (abduct)
43
origin of inferior oblique
maxilla
44
insertion of inferior oblique
Inferior lateral surface of eye
45
action of inferior oblique
eye rolls (inferior toward midline), look up and lateral
46
origin of superior oblique
sphenoid
47
insertion of superior oblique
superior lateral surface of eye
48
action of superior oblique
eye rolls (superior toward midline), look down and lateral
49
origin of masseter
zygomatic arch
50
insertion of masseter
ramus of mandible
51
action of masseter
elevate mandible
52
origin of temporalis
temporal line
53
insertion of temporalis
coronoid process of mandible
54
action of temporalis
elevate mandible
55
origin of lateral pterygoid
pterygoid process of sphenoid
56
insertion of lateral pterygoid
mandible
57
action of lateral pterygoid
depress mandible
58
origin of medial pterygoid
pterygoid process of sphenoid
59
insertion of medial pterygoid
mandible
60
action of medial pterygoid
elevate mandible
61
origin of genioglossus
body of mandible
62
insertion of genioglossus
tongue
63
action of genioglossus
protract tongue
64
origin of hyoglossus
hyoid
65
insertion of hyoglossus
tongue
66
action of hyoglossus
depress tongue
67
origin of styloglossus
styloid process of temporal bone
68
insertion of styloglossus
tongue
69
action of styloglossus
retract tongue
70
origin of sternocleidomastoid: sternal head
manubrium
71
origin of sternocleidomastoid: clavicular head
sternal (medial) end of clavicle
72
insertion of sternocleidomastoid
mastoid process of temporal bone
73
action of sternocleidomastoid
rotate or flex neck
74
origin of omohyoid
superior scapula and clavicle
75
insertion of omohyoid
hyoid
76
action of omohyoid
depress hyoid and larynx
77
origin of digastric: superior (posterior) belly
mastoid process of temporal bone
78
origin of digastric: inferior (anterior) belly
body of mandible
79
insertion of digastric
hyoid
80
action of digastric
elevate hyoid or depress mandible
81
origin of sternohyoid
manubrium
82
insertion of sternohyoid
hyoid
83
action of sternohyoid
depress hyoid and larynx
84
origin of sternothyroid
manubrium
85
insertion of sternothyroid
thyroid cartilage of larynx
86
action of sternothyroid
depress larynx
87
origin of stylohyoid
styloid process of temporal bone
88
insertion of stylohyoid
hyoid
89
action of stylohyoid
elevate hyoid and larynx
90
origin of splenius capitis
cervical and thoracic spinous processes
91
insertion of splenius capitis
mastoid process of temporal and nuchal lines of occipital
92
action of splenius capitis
extend neck
93
origin of scalenes
cervical transverse processes
94
insertion of scalenes
ribs 1-2
95
action of scalenes
elevate ribs
96
origin of diaphragm
xiphoid, ribs, lumbar vertebrae
97
insertion of diaphragm
central tendon
98
action of diaphragm
expand thoracic cavity
99
origin of external intercostals
inferior border of rib
100
insertion of external intercostals
superior border of rib
101
action of external intercostals
elevate ribs
102
origin of internal intercostals
superior border of rib
103
insertion of internal intercostals
inferior border of rib
104
action of internal intercostals
depress ribs
105
origin of rectus abdominis
pubic symphysis
106
insertion of rectus abdominis
xiphoid and costal cartilage
107
action of rectus abdominis
flex vertebral column
108
origin of external abdominal oblique
ribs 5-12
109
insertion of external abdominal oblique
iliac crest and linea alba
110
action of external abdominal oblique
flex or rotate vertebral column
111
origin of internal abdominal oblique
iliac crest and lumbar spinous processes
112
insertion of internal abdominal oblique
costal cartilage and linea alba
113
action of internal abdominal oblique
flex or rotate vertebral column
114
origin of transversus abdominis
ribs 7-12, liac crest, thoracic and lumbar spinous processes (thoracolumbar fascia)
115
insertion of transversus abdominis
linea alba and pubis
116
action of transversus abdominis
compress abdomen
