Muscle Chart Flashcards
(137 cards)
1
Q
erector spinae origin
A
iliac crest, sacrum, spinous process of lower lumbar vertebrae and sacrum, supraspinous ligament, sacrospinous ligament
2
Q
erector spinae actions
A
extends and laterally bends the trunk, neck, and head
3
Q
erector spinae innervation
A
dorsal primary rami of spinal nerves
4
Q
erector spinae cervical artery
A
occipital, deep cervical, vertebral
5
Q
erector spinae thoracic artery
A
posterior intercostal artery
6
Q
erector spinae abdominal artery
A
subcostal, lumbar
7
Q
erector spinae sacral artery
A
lateral sacral artery
8
Q
spinalis insertion
A
spinous processes of superior vertebral levels (thoracic and midcervical), cranium
9
Q
spinalis action
A
extends and laterally bends trunk and neck
10
Q
spinalis innervation
A
dorsal primary rami of spinal nerves
11
Q
spinalis cervical artery
A
occipital, deep cervical, vertebral
12
Q
spinalis thoracic artery
A
posterior intercostal artery
13
Q
spinalis abdominal artery
A
subcostal, lumbar
14
Q
spinalis sacral artery
A
lateral sacral artery
15
Q
longissimus insertion
A
transverse process of superior vertebral levels (thoracic and cervical) and mastoid process
16
Q
longissimus actions
A
extends and laterally bends the trunk, neck, and head
17
Q
longissimus innervation
A
dorsal primary rami of spinal nerves
18
Q
longissimus cervical artery
A
occipital, deep cervical, vertebral
19
Q
longissimus thoracic artery
A
posterior intercostal artery
20
Q
longissimus abdominal artery
A
subcostal, lumbar
21
Q
longissimus sacral artery
A
lateral sacral artery
22
Q
iliocostalis insertion
A
angles of the lower ribs, cervical transverse process
23
Q
iliocostalis actions
A
extends and laterally bends the trunk and neck
24
Q
iliocostalis innervation
A
dorsal primary rami of spinal nerves
25
iliocostalis cervical artery
occipital, deep cervical, vertebral
26
iliocostalis thoracic artery
posterior intercostal artery
27
iliocostalis abdominal artery
subcostal, lumbar
28
iliocostalis sacral artery
lateral sacral artery
29
multifidus origin
sacrum, ilium, transverse processes of T1-T12 and articular processes of C4-7
30
multifidus insertion
spinous processes 2-4 vertebral levels superior to their origin
31
multifidus insertion
spinous processes 2-4 vertebral levels superior to their origin
32
multifidus action
extend and laterally bend trunk and neck, rotate contralaterally, stabilize spine
33
multifidus innervation
dorsal primary rami of spinal nerves C1-L5
34
multifidus cervical artery
occipital, deep cervical a. and vertebral a
35
multifidus thoracic artery
posterior intercostal aa., subcostal aa., lumbar a
36
multifidus lumbar artery
lateral sacral aa
37
rotatores origin
transverse processes
38
rotatores insertion
long rotatores: spinous processes 2 vertebrae above origin; short rotatores: spinous processes 1 vertebrae above origin
39
rotatores actions
Stablize and extend spine: rotates the vertebral column contralaterally
40
rotatores innervation
dorsal primary rami of spinal nerves C1-L5
41
rotatores artery
supplied segmentally by: deep cervical a., posterior intercostal aa., subcostal aa., lumbar aa.
42
semispinalis origin
transverse processes of C7-T12
43
semispinalis insertion
capitis: back of skull between nuchal lines; cervicis & thoracis: spines 4-6 vertebrae above origin
44
semispinalis action
extends the trunk and laterally bends the trunk, rotates the trunk
to the opposite side
45
semispinalis innervation
dorsal primary rami of spinal nerves C1-T12
46
semispinalis cervical artery
occipital, deep cervical a, and vertebral a
47
semispinalis thoracic artery
posterior intercostal aa, subcostal aa
48
splenius origin
ligamentum nuchae and spinous process of C7-T6
49
splenius insertion
capitis: mastoid process & superior nuchal line ; cervicis: posterior tubercles of transverse process of C1-C3 vertebrae
50
splenius action
head and neck Uilaterally: laterally flexes the neck and head, rotates head ipsilaterally
51
splenius innervation
dorsal primary rami of spinal nerves C2-C6
52
splenius artery
occipital a; deep cervical a.
53
splenius capitis origin
ligamentum nuchae and spinous process of C7-T4 vertebrae
54
splenius capitis insertion
mastoid process and superior nuchal line
55
splenius capitis action
Bilaterally: extends head Unilaterally: laterally flexes the neck and head, rotates head ipsilaterally
56
splenius capitis innervation
dorsal primary rami of spinal nerves C2-C6
57
splenius capitis artery
occipital a; deep cervical a.
58
splenius cervicis origin
Spinous process of T3-T6
59
splenius cervicis insertion
posterior tubercles of the transverse processes of C1-C3 vertebrae
60
splenius cervicis action
Bilaterally: extends head Unilaterally: laterally flexes the neck and head, rotates head ipsilaterally
61
splenius cervicis innervation
dorsal primary rami of spinal nerves C2-C6
62
splenius cervicis artery
occipital a; deep cervical a
63
trapezius orgin
medial third of the superior nuchal line, external occipital protuberance, ligamentum nuchae, spinous processes of vertebrae C7-T12
64
trapezius insertion
lateral third of the clavicle, medial side of the acromion and the upper crest of the scapular spine, tubercle of the scapular spine
65
trapezius action
elevates (upper fibers) and depresses (lower fibers) the scapula ; rotates the scapula superiorly; retracts scapula
66
trapezius innervation
motor: spinal accessory (XI), proprioception: C3-C4
67
trapezius artery
transverse cervical a.; posterior intercostal a
68
latissimus dorsi origin
vertebral spines from T7 to the sacrum, posterior third of the iliac crest, lower 3 or 4 ribs, sometimes from the inferior angle of the scapula
69
latissimus dorsi insertion
floor of the intertubercular groove
70
latissimus dorsi action
extends the arm and rotates the arm medially
71
latissimus dorsi innervation
thoracodorsal nerve (C7,8) from the posterior cord of the brachial plexus
72
latissimus dorsi artery
thoracodorsal a., dorsal perforating branches of 9th, 10th and 11th posterior intercostal, subcostal and first three lumbar arteries
73
rhomboid major origin
spines of vertebrae T2-T5
74
rhomboid major insertion
medial border of the scapula inferior to the spine of the scapula
75
rhomboid major action
retracts, elevates and rotates the scapula inferiorly
76
rhomboid major innervation
dorsal scapular nerve (C5)
77
rhomboid major artery
dorsal scapular a.
78
rhomboid minor origin
inferior end of the ligamentum nuchae, spines of vertebrae C7 and T1
79
rhomboid minor insertion
medial border of the scapula at the root of the spine of the scapula
80
rhomboid minor action
retracts, elevates and rotates the scapula inferiorly
81
rhomboid minor innervation
dorsal scapular nerve (C5)
82
rhomboid minor artery
dorsal scapular a
83
serratus posterior superior origin
nuchal ligament, spinous process of C7-T3 vertebra
84
serratus posterior superior insertion
superior borders of ribs 2-5
85
serratus posterior superior action
elevate ribs, proprioception
86
serratus posterior superior innervation
anterior primary rami
87
serratus posterior superior artery
posterior intercostal a.
88
serratus posterior inferior origin
spinous process of T11-L2 vertebra
89
serratus posterior inferior insertion
inferior borders of ribs 9-12
90
serratus posterior inferior action
depress ribs, proprioception
91
serratus posterior inferior innervation
anterior primary rami
92
serratus posterior inferior artery
posterior intercostal a
93
Levator scapulae origin
transverse process of C1-C4 vertebra
94
levator scapulae insertion
medial boder of scapula - spine to the superior angle
95
levator scapulae action
elevates scapula medially, inferiorly rotates glenoid cavity by rotating scapula
96
levator scapulae innervation
dorsal scapular nerve (C5)
97
levator scapulae artery
dorsal scapular a.
98
diaphragm origin
xiphoid process, costal margin, fascia over the quadratus lumborum and psoas major mm.(lateral & medial arcuate ligaments), left and right crus, vertebral bodies L1-L3
99
diaphragm insertion
central tendon of the diaphragm
100
diaphragm action
pushes the abdominal viscera inferiorly, increasing the volume of the thoracic cavity (inspiration)
101
diaphragm innervation
phrenic nerve (C3-C5)
102
diaphragm artery
musculophrenic a., pericardiophrenic a., superior phrenic a., inferior phrenic a.
103
External intercostal origin
lower border of ribs
104
external intercostal insertion
upper border of the ribs below
105
external intercostal action
elevates ribs during forced inspiration
106
external intercostal innervation
intercostal nerves
107
external intercostal artery
anterior and posterior intercostal a., musculophrenic a., costocervical trunk branches
108
innermost intercostal origin
lower border of ribs
109
innermost intercostal insertion
upper border of the ribs below
110
innermost intercostal action
lowers ribs in forced expiration
111
innermost intercostal innervation
intercostal nerves
112
innermost intercostal artery
anterior and posterior intercostal a., musculophrenic a., costocervical trunk branches
113
internal intercostal origin
lower border of ribs
114
internal intercostal insertion
upper border of the ribs below
115
internal intercostal action
lowers ribs in forced expiration
116
internal intercostal innervation
intercostal nerves
117
internal intercostal artery
anterior and posterior intercostal a., musculophrenic a., costocervical trunk branches
118
transverse thoracis origin
posterior surface of the sternum
119
transverse thoracis insertion
inner surfaces of costal cartilages 2-6
120
transversus thoracis action
depresses the ribs
121
transversus thoracis innervation
intercostal nerves
122
transversus thoracis artery
anterior intercostal a, internal thoracic a
123
serratus anterior origin
lateral part of ribs 1-8
124
serratus anterior insertion
medial border of scapula
125
serratus anterior action
protract the scapula, holds scapula against thoracic wall
126
serratus anterior innervation
long thoracic nerve (C5-7)
127
serratus anterior artery
lateral thoracic a
128
pectoralis major origin
medial half of clavicle, sternum, superior six costal cartilages, aponeurosis of external oblique m.
129
pectoralis major insertion
lateral lip - intertubercular sulcus of humerus
130
pectoralis major action
flexion, medial rotation and adduction of humerus
131
pectoralis major innervation
medial (C8, T1) and lateral pectoral nerve (C5-7)
132
pectoralis major artery
pectoral branch of thoracoacromial a
133
pectoralis minor origin
ribs 3-5 near their costal cartilage
134
pectoralis minor insertion
coracoid process of scapula
135
pectoralis minor action
pull the scapula inferiorly and anteriorly against thoracic wall
136
pectoralis minor innervation
medial pectoral nerve (C8, T1)
137
pectoralis minor artery
pectoral branch of thoracoacrominal a
