Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Chiro Essentials Anatomy > Muscles > Flashcards

Muscles Flashcards

1
Q

Sternocleidomastoid origin?

A

Mastoid process and lateral third of superior nuchal line

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Sternocleidomastoid insertion?

A

manubrium of sternum and medial 1/3 of clavicle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Sternocleidomastoid action?

A

tilts head toward the shoulder on the same side

Rotates head to the opposite side

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Sternocleidomastoid innervation

A

Spinal part of CN XI and ventral rami of C2/3 (proprioception)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Trapezius origin?

A

Medial 1/3 of superior nuchal line, external occipital protuberance, ligamentum nuchae, SP C7, all T vertebrae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Trapezius insertion?

A

lateral 1/3 of clavicle, medial aspect of acromion and spine of scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Trapezius action?

A

Shrug shoulder

Retract/rtn of scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Trapezius innervation?

A

Spinal part CN XI (motor) and br C3/4 (proprioception)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Latissimus dorsi origin?

A

TL fascia, SP lower T/L, last 4 rib, slip from inf angle of scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Latissimus dorsi insertion?

A

floor of the bicipital groove

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Latissimus dorsi innervation?

A

Dorsal scapular nerve (C5)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Latissimus dorsi action?

A

elevates scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Levator scapulae origin?

A

Post tub of TVP C1-4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Levator scapulae insertion?

A

Superior angle to root of spine of scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Levator scapulae innervation?

A

dorsal scapular N (C5)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Levator scapulae action?

A

elevates scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Anterior scalene origin?

A

Ant tubercles TVP C3-6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Anterior scalene insertion?

A

Scalene tubercle on sup aspect of 1st rib

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Anterior scalene innervation?

A

Ant rami C4-6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

Anterior scalene action?

A

ipsilateral lateral flexion of neck

Accessory muscle of respiration

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

Medial scalene origin?

A

Post tubercles of TVP C-7

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Medial scalene insertion?

A

Upper aspect 1st rib (btw groove for subclavian A and scalene tubercle)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Medial scalene innervation?

A

And rami C3-7

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

Medial scalene action?

A

ipsilateral lateral flexion of neck

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Serratus anterior origin?

A

lateral aspects upper 8 ribs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Serratus anterior insertion?

A

Medial aspect of inferior surface of scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

Serratus anterior innervation?

A

Long thoracic N (C5-7)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Serratus anterior action?

A

Draws scapula forward and rotates scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Deltoid origin?

A

lateral 1/3 clavicle, lateral aspect of acromion, spine of scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Deltoid insertion?

A

deltoid tubercle of humerus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

Deltoid action?

A

abducts arm 15-90o
Ant fibers - flex/med rtn of arm
Post fibers ext/lat rtn of arm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

Deltoid innervation?

A

axillary N C5-6

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

Pec major origin?

A

Sternum, upper 6 costal cartilages, medial 1/2 clavicle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

Pec major insertion?

A

lateral lip bicipital groove

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

Pec major innervation?

A

medial and lateral pectoral nerves (C8 and T1, C5-7)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Pec major action?

A

adducts, flex, med rtn arm

Extends flexed arm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

Supraspinatus origin?

A

Supraspinous fossa of scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

Supraspinatus insertion?

A

superior facet of greater tuberosity of humerus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

Supraspinatus innervation?

A

Suprascapular N (C5-6)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

Supraspinatus action?

A

initiates abduction 0-15o

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

Infraspinatus origin?

A

infraspinous fossa of scapula

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

Infraspinatus insertion

A

middle facet of greater tuberosity of humerus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

Infraspinatus innervation?

A

suprascapular N (C5-6)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

Infraspinatus action?

A

ext rtn humerus

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

Teres Major origin?

A

oval depression on lateral aspect of dorsum of scapula above inf angle

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

Teres Major insertion?

A

medial lip of bicipital groove

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

Teres Major innervation?

A

lower subscapular N (C-6)

48
Q

Teres Major action?

A

extend, adduct, medially rotate arm

49
Q

Teres Minor origin?

A

middle 1/3 lateral border of scapula

50
Q

Teres Minor insertion?

A

inf facet of greater tuberosity of humerus

51
Q

Teres Minor innervaion?

A

axillary N (C5/6)

52
Q

Teres Minor action?

A

ext rtn of arm

53
Q

Subscapularis origin?

A

medial 2/3 of ventral scapula

54
Q

Subscapularis insertion?

A

lesser tuberosity of humerus

55
Q

Subscapularis innervation?

A

upper and lower subscapular N (C5/6)

56
Q

Subscapularis action?

A

int rtn and adducts arm

57
Q

Biceps brachii origin?

A 
Coracoid process (short head)
Supraglenoid tubercle (long head)
58
Q

Biceps brachii insertion?

A

post border of radial tuberosity of radius

59
Q

Biceps brachii innervation?

A

Musculocutaneous (C5-7)

60
Q

Biceps brachii action?

A

Flex, supinate elbow

61
Q

Triceps origin?

A 
Infraglenoid tubercle (long head)
lateral upper and medial lower parts of the humerus
62
Q

Triceps insertion?

A

olecranon of ulna

63
Q

Triceps innervation?

A

Radial N C7/8

64
Q

Triceps action?

A

Ext forearm

Adduct arm

65
Q

Brachioradialis origin?

A

upper 2/3 lateral supracondylar ridge of humerus

66
Q

Brachioradialis insertion?

A

base of styloid process of radius

67
Q

Brachioradialis innervation?

A

Radial N C6/7

68
Q

Brachioradialis action?

A

Flex forearm

69
Q

Pronator Teres origin?

A

Medial epicondyle of humerus and medial border of coronoid procss of ulna

70
Q

Pronator Teres insertion?

A

upper part of radius

71
Q

Pronator Teres innervation?

A

Median N C6/7

72
Q

Pronator Teres action?

A

Ponate forearm

Flex elbow

73
Q

Psoas Major origin?

A

bodies, IVD, TVP L1-5

74
Q

Psoas Major insertion?

A

Lesser trochanter of femur

75
Q

Psoas Major innervation?

76
Q

Psoas Major action?

A

Flex thigh and trunk

77
Q

Gluteus Maximus origin?

A

Ilium, sacrum, coccyx, sacrotuberous ligament

78
Q

Gluteus Maximus insertion?

A

Gluteal tuberosity of the femur and ITB

79
Q

Gluteus Maximus innervation?

A

Inferior Gluteal N (L5-S2)

80
Q

Gluteus Maximus action?

A

Ext, ext rtn of thigh

81
Q

Piriformis origin?

A

Pelvic (ant) surface of sacrum

82
Q

Piriformis insertion?

A

Medial aspect of superior border of greater trochanter of femur

83
Q

Piriformis innervation

A

S1/2 from lumbosacral plexus

84
Q

Piriformis action?

A

Ext rtn of thigh

85
Q

Tensor Fasciae Latae origin?

A

Outer aspect of iliac crest btw iliac tubercle and ASIS

86
Q

Tensor Fasciae Latae insertion?

A

Iliotibial tract

87
Q

Tensor Fasciae Latae innervation?

A

Superior gluteal N (L4-S1)

88
Q

Tensor Fasciae Latae action?

A

Maintain knee ext

Abduct thigh

89
Q

Quadriceps Femoris origin?

A

AIIS (rec fem straight head)
Sup rim of acetabulum (reflected head rec fem)
Femur (Vastus med/intermed/lateralis)

90
Q

Quadriceps Femoris insertion?

A

Tibial tuberosity via patellar tendon

91
Q

Quadriceps Femoris innervation?

A

Femoral N (Post div L2-4)

92
Q

Quadriceps Femoris action?

A

Ext knee
Flex thigh
Stabilize patella

93
Q

Tibialis Anterior origin?

A

upper 1/2 of lat aspect of tibial shaft and interosseous membrane

94
Q

Tibialis Anterior insertion?

A

inferomedial aspect of medial cuneiform and base of 1st metatarsal

95
Q

Tibialis Anterior innervation?

A

Deep peroneal N (L4/5)

96
Q

Tibialis Anterior Action?

A

Dorsiflex and invert food

97
Q

Extensor Hallucis Longus origin?

A

middle 1/2 of ant aspect of fibula, interosseous membrane

98
Q

Extensor Hallucis Longus insertion?

A

Base of dorsal aspect of distal phalanx of 1st toe

99
Q

Extensor Hallucis Longus innervation?

A

Deep peroneal N (L5/S1)

100
Q

Extensor Hallucis Longus action?

A

Ext big toe and dorsiflex ankle

101
Q

Peroneus/Fibularis Longus origin?

A

Lateral tibial condyle, head and upper lateral aspect of fibula

102
Q

Peroneus/Fibularis Longus insertion?

A

Inferolateral medial cuneiform and base of 1st metatarsal

103
Q

Peroneus/Fibularis Longus innervation?

A

Superficial peroneal N (L5/S1)

104
Q

Peroneus/Fibularis Longus action?

A

Plantarflex and evert foot

105
Q

Gastrocnemius origin?

A

post medial and lateral femoral condyles

106
Q

Gastrocnemius insertion?

A

posterior aspect calcaneus via calcaneal tendon

107
Q

Gastrocnemius innervation?

A

Tibial N (S1/2)

108
Q

Gastrocnemius action?

A

plantarflex ankle

109
Q

Soleus origin?

A

Soleal line, mid 1/3 of tibia, upper 1/3 of fibula

110
Q

Soleus insertion?

A

Calcaneal tendon to posterior surface of calcaneus

111
Q

Soleus innervation?

A

Tibial N (S1/2)

112
Q

Soleus action?

A

Plantar flex ankle and aid in venous return from leg

113
Q

Tibialis Posterior origin?

A

Interosseous membrane, upper tibia and fibula

114
Q

Tibialis Posterior insertion?

A

Navicular, 3 cuneiform bones, base 2-4th metatarsal bones

115
Q

Tibialis Posterior action?

A

Plantar flex and invert foot, support med long arch

Chiro Essentials Anatomy (6 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2025 Bold Learning Solutions. Terms and Conditions