Important muscles (chiro essentials pg 45-47) Flashcards Preview

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Flashcards in Important muscles (chiro essentials pg 45-47) Deck (114):
1

What is the origin of the sternocleidomastoid

Mastoid
Superior nuchal line

2

What is the insertion of the sternocleidomastoid

Manubrium
medial clavicle

3

What innervates the Sternocleidomastoid

CN XI
ventral rami C2 C3

4

What is the action of the Sternocleidomastoid

Tilt head to shoulder of same side
Rotate head to opposite side

5

What is the origin of the trapezius

Superior nuchal line
EOP
ligamentum nuchae
C7 spinous
All thorasic vertebra

6

What is the insertion of the trapezius

Lateral Clavicle
Acromion process
Spine of scapula

7

What innervates the Trapezius

Spinal part CN XI
C3
C4

8

What is the action of the Trapezius

Shrugs
Retracts + rotate scapula

9

What is the origin of the Latissimus dorsi

Lower throacic spinous process
Lumbar spinous process

10

What is the insertion of the Latissimus dorsi

Bicipital groove

11

What innervates the Latissimus dorsi

Thoracodorsal nerve (C6 C7 C8)

12

What is the action of the latissimus dorsi

Adducts arm
Extend arm
Medially rotate arm

13

What is the origin of the levator scapulae

Transverse process C1 C2
posterior tubercle C3 C4

14

What is the insertion of the levator scapulae

Spine of scapula

15

What is the innervation of the Levator scapulae

Dorsal Scapular nerve (C5)

16

What is the action of the Levator scapulae

Elevate the scapula

17

What is the origin on the Scalenus anterior

Anterior tubercle or C3 C4 C5 C6

18

What is the insertion of the anterior scalene

First rib

19

What innervates tthe anterior scalene

C4 C5 C6

20

What is the action of the anterior scalene

Ipsilateral lateral flexion of neck

21

What is the origin of the middle scalene

Transverse of C2-C6

22

What is the insertion of the middle scalene

1st wib

23

What innervates the middle scalene

C3-C7

24

What is the action of the middle scalene

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