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Anatomy Bootcamp > Shoulder Region > Flashcards

Shoulder Region Flashcards

1
Q

what makes up the pectoral girdle?

A

scapula and clavicle

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2
Q

what is the notch on the top of the scapula?

A

suprascapular notch

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3
Q

what ligament runs across the top of the suprascapular notch?

A

transverse scapular ligament

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4
Q

what runs through the hole created by the suprascapular notch and transverse scapular ligament?

A

suprascapular nerve

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5
Q

what goes over the suprascapular foramen?

A

suprascapular artery

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6
Q

which acromion variation is most common?

A

curved

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7
Q

which acromion variation is least common?

A

convex

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8
Q

which acromion variation is associated with shoulder impingement?

A

hooked

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9
Q

what articulates with the head of the radius?

A

capitulum

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10
Q

what muscle attaches to the tuberosity of the ulna?

A

brachialis

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11
Q

what muscle attaches to supinator crest and fossa?

A

supinator

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12
Q

how many carpal bones are there?

A

8 bones in 2 rows of 4

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13
Q

how many metacarpals are there?

A

5

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14
Q

how many phalanges are there?

A

14 total

5 proximal
5 distal
4 middle

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15
Q

which carpal bone is on the thumb edge of the first roq

A

scaphoid

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16
Q

which is more proximal, the head or base of the metacarpals?

A

base

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17
Q

6 scapulohumeral muscles (intrinsic)

A
  • deltoid
  • supraspinatus
  • infraspinatus
  • teres major
  • teres minor
  • subscapularis
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18
Q

deltoid origin

A

clavicular = anterior border of lateral 1/3 clavicle

acromion = lateral margin of acromion

scapular = crest of spine of scapula

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19
Q

deltoid insertion

A

deltoid tuberosity of humerus

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20
Q

supraspinatus origin

A

medial 2/3 of supraspinous process of scapula

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21
Q

supraspinatus insertion

A

superior facet on greater tubercle of humerus

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22
Q

infraspinatus origin

A

medial 2/3 of infraspinous process of scapula

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23
Q

infraspinatus insertion

A

middle facet on posterior side of greater tubercle of humerus

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24
Q

teres major origin

A

posterior surface of inferior angle of scapula

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25
Q

teres major insertion

A

medial lip of intertubercular sulcus of humerus

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26
Q

teres minor origin

A

posterior surface of scapula, adjacent to lateral border

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27
Q

teres minor insertion

A

inferior facet on posterior surface of greater tubercle of humerus

28
Q

subscapularis origin

A

medial 2/3 scapular fossa

29
Q

subscapularis insertion

A

lesser tubercle of humerus

30
Q

which scapulohumeral muscle inserts on the lesser tubercle of humerus?

A

subscapularis

31
Q

which scapulohumeral muscle inserts on the intertibercular sulcus of the humerus?

A

teres major

32
Q

clavicular deltoid action

A

medial rotation of arm

33
Q

subscapularis action

A

medial rotation of arm

34
Q

which muscles medially rotate the arm?

A
  • clavicular deltoid

- subscapularis

35
Q

acromion deltoid action

A

ABduction of arm

36
Q

supraspinatus action

A

ABduction of arm (starts)

37
Q

infraspinatus action

A

lateral rotation of arm

38
Q

teres minor action

A

lateral rotation of arm

39
Q

scapular deltoid action

A

lateral rotation of arm

40
Q

which muscles laterally rotate the arm

A
  • infraspinatus
  • teres minor
  • scapular deltoid
41
Q

teres major action

A

ADduction of arm

42
Q

which muscle(s) ADDuct the arm?

A

teres major

43
Q

which muscles ABduct the arm?

A
  • acromion deltoid

- supraspinatus

44
Q

teres minor innervation

A

axillary nerve

45
Q

deltoid innervation

A

axillary nerve

46
Q

subscapularis innervation

A
  • upper subscapular nerve

- lower subscapular nerve

47
Q

teres major innervation

A

lower subscapular nerve

48
Q

supraspinatus innervation

A

suprascapular nerve

49
Q

infraspinatus innervation

A

suprascapular nerve

50
Q

what muscles is innervated by axillary nerve?

A
  • teres minor

- deltoid

51
Q

what muscle is innervated by upper subscapular nerve?

A

subscapularis

52
Q

what muscle is innervated by lower subscapular nerve?

A
  • subscapularis

- teres major

53
Q

what muscle is innervated by suprascapular nerve

A
  • supraspinatus

- infraspinatus

54
Q

what muscle is being tested when apply resistance to arm abducting more than 15*?

A

deltoid

55
Q

what muscle is being tested when applying resistance to arm abducting from starting position?

A

supraspinatius

56
Q

what muscle is being tested when resistance to Adduction is being applied when arm is ABducted?

A

teres major

57
Q

what muscle is being tested when resistance to lateral rotation is being applied when the elbow is flexed and arm is Adducted?

A

infraspinatus

58
Q

what muscle is being tested when resistance to medial rotation is being applied when elbow is flexed and arm is adducted?

A

subscapularis

59
Q

what muscle is being tested when resistance to lateral rotation is applied when elbow is flexed and arm is 90* in scapular plane?

A

teres minor (horn blower test)

60
Q

what fracture in elderly with osteoporosis?

A

surgical neck fracture

61
Q

what fracture from direct blow to the arm?

A

transverse fracture of shaft

62
Q

what nerve with a surgical neck fracture?

A

axillary nerve

63
Q

what nerve with a radial groove fracture?

A

radial nerve

64
Q

what nerve with medial epicondyle fracture?

A

ulnar nerve

65
Q

what nerve with distal humerus fracture?

A

median nerve

66
Q

most common rotator cuff injury muscle

A

supraspinatus

Anatomy Bootcamp (17 decks)

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