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BI 542 Gross Anatomy > Shoulder&Upper Arm > Flashcards

Shoulder&Upper Arm Flashcards

1
Q

deltoid o

A

clavicle: lateral one-third
Scapula: acromion & the lower lip of the crest of the spine

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2
Q

deltoid i

A

humerus: deltoid tuberosity

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3
Q

deltoid a

A

arm:
Anterior: flex & IR
Middle: abd
Posterior: ext & ER

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4
Q

deltoid n

A

axillary nerve (C5,6) from the posterior cord of the brachial plexus

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5
Q

teres major o

A

scapula: dorsal surface of the inferior angle

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6
Q

teres major i

A

humerus: crest of the lesser tubercle

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7
Q

teres major a

A

arm: add, IR, assists in arm ext

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8
Q

teres major N

A

lower subscapular nerve (C5,6) from the posterior cord of the brachial plexus

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9
Q

teres minor O

A

scapula: upper 2/3 of the lateral border

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10
Q

teres minor I

A

humerus: greater tubercle (lowest facet)

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11
Q

teres minor A

A

arm: ER, add

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12
Q

teres minor N

A

axillary nerve (C5,6) from the posterior cord of the brachial plexus

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13
Q

infraspinatus O

A

scapula: infraspinatous fossa

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14
Q

infraspinatus I

A

humerus: greater tubercle (middle facet)

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15
Q

infraspinatus A

A

arm: ER

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16
Q

infraspinatus N

A

suprascapular nerve (C5,6) from the superior trunk of the brachial plexus

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17
Q

supraspinatus O

A

scapula: supraspinatous fossa

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18
Q

supraspinatus I

A

humerus: greater tubercle (highest facet)

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19
Q

supraspinatus A

A

arm: abducts (initiates first 15 degree abduction)

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20
Q

supraspinatus N

A

suprascapular nerve (C5,6) from the superior trunk of the brachial plexus

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21
Q

subscapularis O

A

scapula: subscapular fossa

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22
Q

subscapularis I

A

humerus: lesser tubercle

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23
Q

subscapularis A

A

arm: IR, ext.

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24
Q

subscapularis N

A

upper and lower subscapular nerves (C5,6)

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25
Q

levator scapulae O

A

spine: transverse processes of C1-C4 vertebrae

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26
Q

levator scapulae I

A

scapula: medial border of the scapula from the superior angle to the spine

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27
Q

levator scapulae A

A

scapula: elevation

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28
Q

levator scapulae N

A

dorsal scapular nerve (C5); the upper part of the muscle receives branches of C3 & C4

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29
Q

rhomboids major O

A

spine: spines of vertebrae T2-T5

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30
Q

rhomboids major I

A

scapula: medial border of the scapula inferior to the spine of the scapula

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31
Q

rhomboids minor O

A

spine: inferior end of the ligamentum nuchae, spines of vertebrae C7 and T1

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32
Q

rhomboids minor/major I

A

scapula: medial border of the scapula at the root of the spine of the scapula

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33
Q

rhomboids minor/major A

A

scapula: retracts, elevates and rotates

34
Q

rhomboids minor N

A

dorsal scapular nerve (C5)

35
Q

latissimus dorsi O

A

Vertebral part: originating from the spinous processes of the 7th to 12th thoracic vertebrae and the thoracolumbar fascia
Costal part: having origins from the 9th to 12th ribs
Iliac part: starting from the iliac crest
Scapular part: starting from the inferior angle of the scapula (inconstant)

36
Q

latissimus dorsi I

A

humerus: intertubercular sulcus

37
Q

latissimus dorsi A

A

arm: IR, adduction, ext
Assists in respiration

38
Q

latissimus dorsi N

A

thoracodorsal nerve (C7,8) from the posterior cord of the brachial plexus

39
Q

pectoralis major O

A

Clavicular part: anterior surface of medial half of clavicle
Sternocostal part: anterior surface of sternum, Costal cartilages of ribs 1-6
Abdominal part: Anterior layer of rectus sheath

40
Q

pectoralis major I

A

humeris: crest of the greater tubercle

41
Q

pectoralis major A

A

arm: add, IR, flex (clavicular), ext (sternocostal)
Scapulothoracic joint: Draws scapula anteroinferiorly

42
Q

pectoralis major N

A

medial and lateral pectoral nerves (C5-T1)

43
Q

pectoralis minor O

A

ribs; anterior surface of 3-5

44
Q

pectoralis minor I

A

scapula: coracoid process & medial border

45
Q

pectoralis minor A

A

elevation for inhalation
scapula: depression, protraction, downward rot.

46
Q

pectoralis minor N

A

medial pectoral nerve (C8, T1)

47
Q

serratus anterior O

A

Superior part: Ribs 1-2, Intercostal fascia
Middle part: Ribs-3-6
Inferior part: Ribs 7-8/9 (variably extends to rib 10 (+ external oblique muscle))

48
Q

serratus anterior I

A

Scapula
(Superior part: Anterior surface of superior angle
Middle part: Anterior surface of medial border
Inferior part: Anterior surface of inferior angle and medial border)

49
Q

serratus anterior A

A

scapula: protraction, rotation, holds scapula against thoracic wall

50
Q

serratus anterior N

A

long thoracic nerve (from ventral rami C5-C7)

51
Q

subclavius O

A

ribs: costal cartilage and sternal end of rib 1

52
Q

subclavius I

A

clavicle: inferior surface

53
Q

subclavius A

A

clavicle: depresses and anchors clavicle

54
Q

subclavius N

A

Subclavian nerve (C5-C6)

55
Q

coracobrachialis O

A

scapula: coracoid process

56
Q

coracobrachialis I

A

humerus: medial side at mid-shaft

57
Q

coracobrachialis A

A

arm: flex & add

58
Q

coracobrachialis N

A

musculocutaneous nerve (C5,6)

59
Q

biceps brachii O

A

Scapula
short head: tip of the coracoid process
long head: supraglenoid tubercle

60
Q

biceps brachii I

A

radius: radial tuberosity

61
Q

biceps brachii A

A

forearm: flex & supination
arm: weak flex (long head)

62
Q

biceps brachii N

A

musculocutaneous nerve (C5,6)

63
Q

brachialis O

A

humerus: anterior surface of the lower one-half

64
Q

brachialis I

A

ulna: coronoid process & tuberocity

65
Q

brachialis A

A

forearm: flex

66
Q

brachialis N

A

musculocutaneous nerve (C5,6)

67
Q

triceps brachii O

A

Scapula
Long head - infraglenoid tubercle
Humerus
Medial head - posterior surface of the humerus (inferior to radial groove)
Lateral head - posterior surface of the humerus (superior to radial groove)

68
Q

triceps brachii I

A

ulna: olecranon
fascia

69
Q

triceps brachii A

A

forearm: ext
arm: ext & add (long head)

70
Q

triceps brachii N

A

Radial nerve (C6-C8)

71
Q

anconeus O

A

humerus: lateral epicondyle

72
Q

anconeus I

A

ulna: lateral surface of olecranon

73
Q

anconeus A

A

forearm: assists in ext
stabilization of elbow joint

74
Q

anconeus N

A

Radial nerve (C7-C8)

75
Q

musculocutaneous sensory

A

rise to the lateral cutaneous nerve of forearm, which innervates the lateral aspect of the forearm

76
Q

musculocutaneous motor

A

coracobrachialis, biceps brachii and the brachialis

77
Q

radial sensory

A

Innervates most of the skin of the posterior forearm, the lateral aspect of the dorsum of the hand, and the dorsal surface of the lateral three and a half digits.

78
Q

radial motor

A

Brachioradialis , extensor muscles in the forearm, supinator, triceps brachii (BEST)

79
Q

ulnar motor

A

anterior forearm – flexor carpi ulnaris and medial half of flexor digitorum profundus

Intrinsic muscles of the hand

80
Q

ulnar sensory

A

Medial one and half fingers and the associated palm area.

BI 542 Gross Anatomy (6 decks)

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