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MMT > Upper Proximal Extremities > Flashcards

Upper Proximal Extremities Flashcards

1
Q

Trapezius innervation

A

Spinal Accessory - CN XI and C3/C4 (some C2)

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2
Q

Trapezius Origin

A

occiput, lig nuchae, C7 spine

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3
Q

Trapezius Insertion

A

lat 3rd cavicle, acromion

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4
Q

Trapezius Action

A

scapular elevation, adduction, opposite rotation head, lat flex head ipsilateral

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5
Q

Rhomboid innervation

A

dorsal scapular n, C5

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6
Q

Rhomboids origin

A

spinous processes T2-5

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7
Q

Rhomboids insertion

A

medial border of scapula

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8
Q

Rhomboids action

A

scapular adduction, elevation, downward rotation

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9
Q

Levator scapulae innervation

A

dorsal scapular n, n to levator scapulae, (C3, C4), C5

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10
Q

Levator scapulae origin

A

C1-4 transverse processes

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11
Q

Levator scapulae insertion

A

medial border of scapula at superior angle

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12
Q

Levator scapulae action

A

scapular elevation

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13
Q

Serratus Anterior innervation

A

long thoracic nerve, C5/C6/C7

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14
Q

Serratus Anterior origin

A

ribs 1-9

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15
Q

Serratus Anterior insertion

A

ventral scapula at vertebral border

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16
Q

Serratus Anterior action

A

scapular protraction and securing medial border to thorax

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17
Q

Latissimus Dorsi innervation

A

thoracodorsal, C6/C7/C8

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18
Q

Latissimus Dorsi origin

A

lumbar fascia, iliac crest, ribs 9-12

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19
Q

Latissimus Dorsi insertion

A

medial humerus

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20
Q

Latissimus Dorsi action

A

shoulder IR, adduction, extension

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21
Q

Teres major innervation

A

lower subscapular, C5/6

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22
Q

Teres major origin

A

dorsolateral scapula

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23
Q

Teres major insertion

A

medial humerus

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24
Q

Teres major action

A

shoulder IR, adduction, extension

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25
Q

Pec major (clavicular) innervation

A

lateral pectoral, C5/6

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26
Q

Pec major (clavicular) origin

A

medial clavicle

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27
Q

Pec major (clavicular) insertion

A

greater tubercle humerus

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28
Q

Pec major (clavicular) action

A

shoulder flexion, IR, horizontal adduction

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29
Q

Pec major (sternal) innervation

A

medial pectoral, C7/8, T1

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30
Q

Pec major (sternal) origin

A

sternum, rib cartilages 1-6

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31
Q

Pec major (sternal) insertion

A

greater tubercle humerus

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32
Q

Pec major (sternal) action

A

depresses shoulder girdle, adducts arm to opposite iliac crest

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33
Q

Anterior deltoid innervation

A

axillary n, C5/6

34
Q

Anterior deltoid origin

A

lateral clavicle

35
Q

Anterior deltoid insertion

A

deltoid tuberosity of humerus

36
Q

Anterior deltoid action

A

shoulder horizontal adduction, flexion, IR, “scaption”

37
Q

Middle deltoid innervation

A

axillary, C5/6

38
Q

Middle deltoid origin

A

acromion

39
Q

Middle deltoid insertion

A

deltoid tuberosity of humerus

40
Q

Middle deltoid action

A

shoulder abduction

41
Q

Posterior deltoid innervation

A

axillary, C5/6

42
Q

Posterior deltoid origin

A

spine of scapula

43
Q

Posterior deltoid insertion

A

deltoid tuberosity of humerus

44
Q

Posterior deltoid action

A

shoulder ext, horizontal abduction, ER

45
Q

Supraspinatus innervation

A

suprascapular, C5/6

46
Q

Supraspinatus origin

A

supraspinous fossa

47
Q

Supraspinatus insertion

A

superior facet of greater tubercle of humerus

48
Q

Supraspinatus action

A

shoulder abduction

49
Q

Infraspinatus innervation

A

suprascapular, C5/6

50
Q

Infraspinatus origin

A

infraspinous fossa

51
Q

Infraspinatus insertion

A

middle facet of greater tubercle of humerus

52
Q

Infraspinatus action

A

shoulder ER

53
Q

Teres minor innervation

A

axillary, C5/6

54
Q

Teres minor origin

A

lateral scapula

55
Q

Teres minor insertion

A

lowest facet of greater tubercle of humerus

56
Q

Teres minor action

A

shoulder ER

57
Q

Subscapularis innervation

A

upper and lower subscapular, C5/6

58
Q

Subscapularis origin

A

subscapular fossa

59
Q

Subscapularis insertion

A

lesser tubercle of humerus

60
Q

Subscapularis action

A

shoulder IR

61
Q

Coracobrachialis innervation

A

musculocutaneous, (C5), C6, C7

62
Q

Coracobrachialis origin

A

coracoid process

63
Q

Coracobrachialis insertion

A

medial surface of humerus

64
Q

Coracobrachialis action

A

shoulder flexion, adduction, horizontal adduction

65
Q

Biceps innervation

A

musculocutaneous, C5/C6

66
Q

Biceps origin

A

short head - apex coracoid process

long head- supraglenoid tubercle

67
Q

biceps insertion

A

radial tuberosity

68
Q

biceps action

A

elbow flexion, forearm supination, weak shoulder flexion

69
Q

Brachialis innervation

A

musculocutaneous, radial, C5/C6, (C7)

70
Q

Brachialis origin

A

anterior humerus

71
Q

Brachialis insertion

A

tuberosity and coronoid process of ulna

72
Q

Brachilais action

A

elbow flexion

73
Q

Brachioradialis innervation

A

radial, C5/6

74
Q

Brachioradialis origin

A

lateral supracondylar ridge humerus

75
Q

Brachioradialis insertion

A

radial styloid

76
Q

Brachioradialis action

A

elbow flexion

77
Q

Triceps innervation

A

radial, (C6), C7, C8

78
Q

Triceps origin

A

long head - infraglenoid tubercle
lateral head - lat/post humerus
medial head - med/post humerus

79
Q

Triceps insertion

A

olecranon of ulna

80
Q

Triceps action

A

elbow extension, shoulder ext/add (long head)

MMT (2 decks)

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