Important muscles (chiro essentials pg 45-47) Flashcards
(114 cards)
1
Q
What is the origin of the sternocleidomastoid
A
Mastoid
Superior nuchal line
2
Q
What is the insertion of the sternocleidomastoid
A
Manubrium
medial clavicle
3
Q
What innervates the Sternocleidomastoid
A
CN XI
ventral rami C2 C3
4
Q
What is the action of the Sternocleidomastoid
A
Tilt head to shoulder of same side
Rotate head to opposite side
5
Q
What is the origin of the trapezius
A
Superior nuchal line EOP ligamentum nuchae C7 spinous All thorasic vertebra
6
Q
What is the insertion of the trapezius
A
Lateral Clavicle
Acromion process
Spine of scapula
7
Q
What innervates the Trapezius
A
Spinal part CN XI
C3
C4
8
Q
What is the action of the Trapezius
A
Shrugs
Retracts + rotate scapula
9
Q
What is the origin of the Latissimus dorsi
A
Lower throacic spinous process
Lumbar spinous process
10
Q
What is the insertion of the Latissimus dorsi
A
Bicipital groove
11
Q
What innervates the Latissimus dorsi
A
Thoracodorsal nerve (C6 C7 C8)
12
Q
What is the action of the latissimus dorsi
A
Adducts arm
Extend arm
Medially rotate arm
13
Q
What is the origin of the levator scapulae
A
Transverse process C1 C2
posterior tubercle C3 C4
14
Q
What is the insertion of the levator scapulae
A
Spine of scapula
15
Q
What is the innervation of the Levator scapulae
A
Dorsal Scapular nerve (C5)
16
Q
What is the action of the Levator scapulae
A
Elevate the scapula
17
Q
What is the origin on the Scalenus anterior
A
Anterior tubercle or C3 C4 C5 C6
18
Q
What is the insertion of the anterior scalene
A
First rib
19
Q
What innervates tthe anterior scalene
A
C4 C5 C6
20
Q
What is the action of the anterior scalene
A
Ipsilateral lateral flexion of neck
21
Q
What is the origin of the middle scalene
A
Transverse of C2-C6
22
Q
What is the insertion of the middle scalene
A
1st wib
23
Q
What innervates the middle scalene
A
C3-C7
24
Q
What is the action of the middle scalene
A
Ipsilateral lateral flexion of the neck
25
What is the origin of the serratus anterior
lateral aspect of upper 8 ribs
26
What is the insertion of the serratus anterior
Medial aspect of scapula
27
What innervates the serratus anterior
Long thoracic nerve (C5, C6, C7)
28
What is the action of the serratus anterior
Draws scapula forward
| Rotates the scapula
29
What is the origin of the Deltoid
Clavicle
Acromion process
Spine of Scapula
30
What is the insertion of the deltoid
Deltoid tubercel of humerous
31
What innervates the deltoid
Axillary nerve (C5 C6)
32
What is the action of the deltoid
```
abducts arm (15-90 degrees)
Anterior = flex arm
middle = medially rotate arm
Posterior = medially rotate arm
```
33
What is the origin of the pectoralis major
Sternum
Upper 6 costal cartilage
Clavicle
34
What is the insertion of the pectoralis major
Bicipital groove
35
What innervates the pectoralis major
Medial (C5-C7) and lateral (C8-T1) pectoral nerve
36
what is the origin of the supraspinatus
Supraspinatus fossa
37
What is the insertion of the supraspinatus
Greater tuberosity of humerus
38
What innervates the supraspinatous
Suprascapular nerve (C5-C6)
39
What is he action of the supraspinatous
Initiates abduction of the arm (0-15 degrees)
40
What is the origin of the infraspinatous
Infraspinatous fossa
41
What is the insertion of the infraspinatous
Greater tuberosity of humerous
42
What innervates the infraspinatous
Suprascapular nerve (C5-C6)
43
What is the action of the infraspinatous
Externally rotates the humerous
44
What is the origin of the teres major
Lateral aspect of scapula
45
What is the insertion of the teres major
Bicipital groove
46
What innervates the teres major
Lower subscapular nerve C5-C6
47
What is the action of the teres major
Extend
abduct
medially rotate the arm
48
What is the origin of teres minor
Laterl boarder of scapula
49
What is the insertion of the teres minor
Greater tuberosity of humerus
50
What innervates the teres minor
Axillary nerve C5-C6
51
What is the action of the teres minor
Externally rotate arm
52
What is the origin of the subscapularis muscle
Ventral scapula
53
What is the insertion of the subscapularis
Lesser tuberosity of humerus
54
What innervates the subscapularis
Subscapular nerve C5-C6
55
What is the action of the subscapularis
Internally rotates and adducts the arm
56
What is the origin of the biceps brachii
```
Coarcoid process (short head)
Supraglenoid tubercle (long head)
```
57
What is the insertion of the biceps brachii
radial tuberosity
58
What innervates the biceps brachii
Musculocutaneous nerve (C5 C6 C7)
59
What is the action of the biceps brachii
Flex elbow
| Supinates the elbow
60
What is the origin of the triceps brachii
Infraglenoid tubercle
61
What is the insertion of the triceps brachii
Olecranon process
62
What innervates the triceps brachii
Radial nerve (C6-C7)
63
What is the action of the Triceps brachii
Extends the forearm
| Adducts the arm
64
What is the origin of the brachioradialis
Lateral supracondylar ridge of humerous
65
What is the insertion of the brachioradialis
Styloid process of radaius
66
What innervates the brachioradialis
radial nerve (C6-C7)
67
What is the action of the brachioradiallis
flexes forearm
68
What is the origin of the pronator teres
medial epicondyle of the humerus
69
What is the insertion of the pronator teres
radius
70
What innervates the pronator teres
Median nerve (C6-C7)
71
What is the origin of the psoas major
transverse process L1-L5
72
What is the insertion of the psoas major
Lesser trochanter femur
73
What innervates the psoas major
L2 L3 L4
74
What is the action of the psoas major
Flexes thigh and trunk
75
What is the origin of the gluteus maximus
ilium
sacrum
coccyx
sacrotuberous ligament
76
What is the insertion of the gluteus maximus
Gluteal tuberosity or the femur
| Iliotibial band
77
What innervates the gluteus maximus
Inferior gluteal nerve (L5 S1 S2)
78
What is the action of the gluteus maximus
Extents and externally rotates the thigh
79
What is the origin of the pirifomris
Anterior surface of sacrum
80
What is the insertion of the piriformis
Greater trochanter of the femur
81
What innervates the piriformis
S1 S2
82
What is the action of the piriformis
Externally rotats the thigh
83
What is the origin of the tensor fasciae latae
Iliac crest
84
What is the insertion of the tensor fasciae latae
Iliotibial tract
85
What innervates the superiot gluteal nerve
Tensor fasciae latae
86
What is the action of the tensor fasciae latae
extend knee abducts thigh
87
What is the origin of the quads
AIIS
88
What is the insertion of the quads
Tibial tuberosity
89
What innervates tthe quads
Femoral nerve
90
What is the action of the quads
Extends knee
| Flexes thigh
91
What is the origin of the tibialis anterior
Lateral aspect of tibial shaft
92
What is the insertion of the tibialis anterior
Medial cueneiform
| Base of 1st metatrsal bone
93
What innervaes the tibialis anterior
Deep peroneal nerve L4-L5
94
What is the action of the tibialis anteior
Dorsiflex + invert foot
95
What is the origin of the extensor hallucis longus
Fibula
96
What is the insertion of the extensor hallucis longus
Distal phalynx of 1st toe
97
What innervates the extensor hallucis longus
Deep peroneal nerve L5 S1
98
What is the action of the extensor hallucis longus
Extends big toe
| Dorsiflex ankle
99
What is the origin of the peroneus longus
Lateral tibial condyle
100
What is the insertion of the peroneous longus
Medial cuneiform
101
what innervates the peroneous longus
Superficial peroneal nerve L5 S1
102
What is the action of the peroneus longus
Plantar flexes and everts the foot
103
What is the origin of the gastrocnemius
medial and lateral femoral condyles
104
What is the insertion of the gastrocnemius
Calcaneus
105
What innervates the gastrocnemius
Tibial nerve
106
What is the action of the gastrocnemius
Plantar flexion
107
What is the origin of the soleus
Soleal line
108
What is the insertion of the soleus
Calcaneal tendon
109
What innervates the soleus
Tibial nerve S1 S2
110
What is the action of the soleus
Plantar flexes ankle
**aids in venous return**
111
What is the origin of the tibialis posterior
Interosseous membrane
112
What is the insertion of the tibialis posteior
Navicular
| 3 cuneiform bones
113
What innervates the tibialis posterior
Tibial nerve
114
What is the action of the tibialis posterior
Plantar flexion and inversion of the foot
