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ANATOMY > MOINA OF SHOULDER AND ARM > Flashcards

MOINA OF SHOULDER AND ARM Flashcards

1
Q

identify the origin of Pectoralis

major

A

Clavicle, sternum,
and upper six
costal cartilages

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2
Q

identify the action of Pectoralis

major

A

Adducts arm and rotates it
medially; clavicular fibers also
flex arm

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3
Q

identify the insertion of Pectoralis

major

A

Lateral lip of
bicipital groove of
humerus

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4
Q

identify the nerve/innervation of Pectoralis

major

A

Medial and lateral
pectoral nerves from
brachial plexus

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5
Q

identify the origin of Pectoralis

minor

A

Third, fourth, and

fifth ribs

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6
Q

identify the insertion of Pectoralis

minor

A

Coracoid process

of scapula

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7
Q

identify the nerve/innervation of
Pectoralis
minor

A

Medial pectoral nerve

from brachial plexus

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8
Q

identify the action of Pectoralis

minor

A

Depresses point of shoulder;
if the scapula is fixed, it
elevates the ribs of origin

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9
Q

identify the origin of Subclavius

A

First costal

cartilage

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10
Q

identify the insertion of Subclavius

A

Clavicle

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11
Q

identify the nerve/innervation of Subclavius

A

Nerve to subclavius
from upper trunk of
brachial plexus

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12
Q

identify the action of Subclavius

A

Depresses the clavicle and
steadies this bone during
movements of the shoulder
girdle

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13
Q

identify the origin of Serratus

anterior

A

Upper eight ribs

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14
Q

identify the insertion of Serratus

anterior

A

Medial border
and inferior angle
of scapula

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15
Q

identify the nerve/innervation of Serratus

anterior

A

Long thoracic nerve

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16
Q

identify the action of Serratus

anterior

A

Draws the scapula forward
around the thoracic wall;
rotates scapula

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17
Q

identify the origin of Trapezius

A 
Occipital bone,
ligamentum nuchae,
spine of seventh cervical
vertebra, spines of all
thoracic vertebrae
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18
Q

identify the insertion of Trapezius

A 
Upper fibers into
lateral third of
clavicle; middle and
lower fibers into
acromion and spine
of scapula
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19
Q

identify the nerve/innervation of Trapezius

A

Spinal part of
accessory nerve
(motor) and C3 and
4 (sensory)

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20
Q

identify the action of Trapezius

A 
Upper fibers elevate
the scapula; middle
fibers pull scapula
medially; lower fibers
pull medial border of
scapula downward
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21
Q

identify the origin of Latissimus

dorsi

A 
Iliac crest, lumbar fascia,
spines of lower six
thoracic vertebrae, lower
three or four ribs, and
inferior angle of scapula
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22
Q

identify the insertion of Latissimus

dorsi

A

Floor of bicipital

groove of humerus

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23
Q

identify the nerve/innervation of Latissimus

dorsi

A

Thoracodorsal

nerve

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24
Q

identify the action of Latissimus

dorsi

A

Extends, adducts, and
medially rotates the
arm

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25
Q

identify the origin of Levator

scapulae

A

Transverse processes of
first four cervical
vertebrae

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26
Q

identify the insertion of Levator

scapulae

A

Medial border of

scapula

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27
Q

identify the nerve/innervation of Levator

scapulae

A

C3 and 4 and dorsal

scapular nerve

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28
Q

identify the action of Levator

scapulae

A

Raises medial border of

scapula

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29
Q

identify the origin of Rhomboid

minor

A

Ligamentum nuchae and
spines of seventh
cervical and first thoracic
vertebrae

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30
Q

identify the insertion of Rhomboid

minor

A

Medial border of

scapula

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31
Q

identify the nerve/innervation of Rhomboid

minor

A

Dorsal scapular

nerve

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32
Q

identify the action of Rhomboid

minor

A

Raises medial border of
scapula upward and
medially

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33
Q

identify the origin of Rhomboid

major

A

Second to fifth thoracic

spines

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34
Q

identify the insertion of Rhomboid

major

A

Medial border of

scapula

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35
Q

identify the nerve/innervation of Rhomboid

major

A

Dorsal scapular

nerve

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36
Q

identify the action of Rhomboid

major

A

Raises medial border of
scapula upward and
medially

37
Q

identify the origin of Deltoid

A

Lateral third of
clavicle, acromion,
spine of scapula

38
Q

identify the insertion of Deltoid

A

Middle of lateral
surface of shaft of
humerus

39
Q

identify the nerve/innervation of Deltoid

A

Axillary nerve

40
Q

identify the action of Deltoid

A 
Abducts arm; anterior
fibers flex and medially
rotate arm; posterior fibers
extend and laterally rotate
arm
41
Q

identify the origin of Supraspinatus

A

Supraspinous fossa

of scapula

42
Q

identify the insertion of Supraspinatus

A

Greater tuberosity
of humerus;
capsule of
shoulder joint

43
Q

identify the nerve/innervation of Supraspinatus

A

Suprascapular

nerve

44
Q

identify the action of Supraspinatus

A

Abducts arm and stabilizes

shoulder joint

45
Q

identify the origin of Infraspinatus

A

Infraspinous fossa of

scapula

46
Q

identify the insertion of Infraspinatus

A

Greater tuberosity
of humerus;
capsule of
shoulder joint

47
Q

identify the nerve/innervation of Infraspinatus

A

Suprascapular

nerve

48
Q

identify the action of Infraspinatus

A

Laterally rotates arm and

stabilizes shoulder joint

49
Q

identify the origin of Teres major

A

Lower third of lateral

border of scapula

50
Q

identify the insertion of Teres major

A

Medial lip of
bicipital groove of
humerus

51
Q

identify the nerve/innervation of Teres major

A

Lower

subscapular nerve

52
Q

identify the action of Teres major

A

Medially rotates and
adducts arm and stabilizes
shoulder joint

53
Q

identify the origin of Teres minor

A

Upper two thirds of
lateral border of
scapula

54
Q

identify the insertion of Teres minor

A

Greater tuberosity
of humerus;
capsule of
shoulder joint

55
Q

identify the nerve/innervation of Teres minor

A

Axillary nerve

56
Q

identify the action of Teres minor

A

Laterally rotates arm and

stabilizes shoulder joint

57
Q

identify the origin of Subscapularis

A

Subscapular fossa

58
Q

identify the insertion of Subscapularis

A

Lesser tuberosity

of humerus

59
Q

identify the nerve/innervation of Subscapularis

A

Upper and lower
subscapular
nerves

60
Q

identify the action of Subscapularis

A

Medially rotates arm and

stabilizes shoulder joint

61
Q

identify the origin of Biceps Brachii Long head

A

Supraglenoid

tubercle of scapula

62
Q

identify the insertion of Biceps Brachii Long head

A

Tuberosity of radius
and bicipital
aponeurosis into deep
fascia of forearm

63
Q

identify the nerve/innervation of Biceps Brachii Long head

A

Musculocutaneous

nerve

64
Q

identify the action of Biceps Brachii Long head

A

Supinator of forearm
and flexor of elbow
joint; weak flexor of
shoulder joint

65
Q

identify the origin of Biceps Brachii short head

A

Coracoid process of scapula

66
Q

identify the insertion of Biceps Brachii short head

A

Tuberosity of radius
and bicipital
aponeurosis into deep
fascia of forearm

67
Q

identify the nerve/innervation of Biceps Brachii short head

A

Musculocutaneous

nerve

68
Q

identify the action of Biceps Brachii short head

A

Supinator of forearm
and flexor of elbow
joint; weak flexor of
shoulder joint

69
Q

identify the origin of Coracobrachialis

A

Coracoid process of scapula

70
Q

identify the insertion of Coracobrachialis

A

Medial aspect of shaft

of humerus

71
Q

identify the nerve/innervation of Coracobrachialis

A

Musculocutaneous

nerve

72
Q

identify the action of Coracobrachialis

A

Flexes arm and
alsoprocess of weak
adductor

73
Q

identify the origin of Brachialis

A

Front of lower half

of humerus

74
Q

identify the insertion of Brachialis

A

Coronoid process of

ulna

75
Q

identify the nerve/innervation of Brachialis

A

Musculocutaneous

nerve

76
Q

identify the action of Brachialis

A

Flexor of elbow joint

77
Q

identify the origin of triceps long head

A

Infraglenoid tubercle of scapula

78
Q

identify the insertion of triceps long head

A

Olecranon process of

ulna

79
Q

identify the nerve/innervation of triceps long head

A

Radial nerve

80
Q

identify the action of triceps long head

A

Extensor of elbow

joint

81
Q

identify the origin of triceps lateral head

A

Upper half of
posterior surface of
shaft of humerus

82
Q

identify the insertion of triceps lateral head

A

Olecranon process of

ulna

83
Q

identify the nerve/innervation of triceps lateral head

A

Radial nerve

84
Q

identify the action of triceps lateral head

A

Extensor of elbow

joint

85
Q

identify the origin of triceps medial head

A

Lower half of posterior surface of shaft of humerus

86
Q

identify the insertion of triceps medial head

A

Olecranon process of

ulna

87
Q

identify the nerve/innervation of triceps medial head

A

Radial nerve

88
Q

identify the action of triceps medial head

A

Extensor of elbow

joint

ANATOMY (8 decks)

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