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2. HLTH 109 > Shoulder Region II > Flashcards

Shoulder Region II Flashcards

1
Q

pectoralis major muscle move arm or scapula?

A

arm

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2
Q

pectoralis minor muscle move arm or scapula?

A

scapula

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3
Q

triceps (long head) muscle move arm or scapula?

A

arm

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4
Q

deltoid muscle move arm or scapula?

A

arm

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5
Q

levator scapulae muscle move arm or scapula?

A

scapula

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6
Q

teres minor muscle move arm or scapula?

A

arm

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7
Q

rhomboid major and minor muscle move arm or scapula?

A

scapula

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8
Q

subclavius muscle move arm or scapula?

A

scapula

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9
Q

serratus anterior muscle move arm or scapula?

A

both arm and scapula

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10
Q

supraspinatus muscle move arm or scapula?

A

arm

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11
Q

biceps muscle move arm or scapula?

A

arm

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12
Q

trapezius muscle move arm or scapula?

A

scapula

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13
Q

latissumus dorsi muscle move arm or scapula?

A

arm

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14
Q

coracobrachialis muscle move arm or scapula?

A

arm

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15
Q

subscapularis muscle move arm or scapula?

A

arm

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16
Q

teres major muscle move arm or scapula?

A

arm

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17
Q

infraspinatus muscle move arm or scapula?

A

arm

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18
Q

deltoid: location

A

lateral aspect

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19
Q

deltoid: origin

A
  • inferior edge of spine of scapula,
  • acromion
  • anterior border of lateral third of clavicle
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20
Q

deltoid: insertion

A

deltoid tuberosity of humerus

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21
Q

deltoid: innervation

A

axillary nerve

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22
Q

deltoid: action

A
  • abduction of arm
  • flex, extend
  • medial and lateral rotation at shoulder joint
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23
Q

trapezius: location

A

posterior aspect, superficial

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24
Q

trapezius: origin

A
  • superior nuchal line
  • ext. occipital protuberance
  • ligamentum nuchae
  • spinous processes of C7-T12
  • supraspinous lig.
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25
Q

trapezius: insertion

A
  • superior edge of spine of scapula
  • acromion
  • posterior border of lateral third of clavicle
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26
Q

trapezius: innervation

A

accessory nerve (CNXI) and C3-4

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27
Q

trapezius: action

A
  • elevate,
  • depress,
  • retract and rotate scapula
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28
Q

how to test accessory nerve:

A

patient lifting shoulder under resistance

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29
Q

levator scapulae: location

A

posterior, deep to trapezius

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30
Q

levator scapulae: origin

A

tranverse processes of C1-4

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31
Q

levator scapulae: insertion

A

medial border of scapula from superior angle to root of spine

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32
Q

levator scapulae: innervation

A

dorsal scapular nerve, C3-4

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33
Q

levator scapulae: action

A

elevates scapula

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34
Q

rhomboid minor: location

A

posterior, deep to trapezius

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35
Q

rhomboid minor: origin

A
  • ligamentum nuchae,

- spinous processes C7-T1

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36
Q

rhomboid minor: insertion

A

medial border at root of spine

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37
Q

rhomboid minor: innervation

A

dorsal scapular nerve

38
Q

rhomboid minor: action

A

elevates and retracts scapula

39
Q

rhomboid major: location

A

posterior, deep to trapezius

40
Q

rhomboid minor: origin

A

spinous processes T2-5

41
Q

rhomboid minor: insertion

A

medial border from spine root to inferior angle

42
Q

rhomboid minor: innervation

A

dorsal scapular nerve

43
Q

rhomboid minor: action

A

elevates and retracts scapula

44
Q

latissimus dorsi: location

A

posterior, deep to trapezius

45
Q

latissimus dorsi: origin

A
  • spinous processes of lower 6 vertebrae and interspinous lig.
  • thoracolumbar fascia
  • to spinous processes of lumbar vertebrae and interspinous lig.
  • iliac crest
  • lower 3-4 ribs
46
Q

latissimus dorsi: insertion

A

flood of intertubercular sulcus

47
Q

latissimus dorsi: innervation

A

thoracodorsal nerve

48
Q

latissimus dorsi: action

A
  • adduction
  • medial rotation
  • extension of arm at the shoulder
49
Q

supraspinatus: location

A

posterior deep, RCM

50
Q

supraspinatus: origin

A

supraspinous fossa

51
Q

supraspinatus: insertion

A

superior facet of greater tubercle of the humerus

52
Q

supraspinatus: innervation

A

suprascapular nerve

53
Q

supraspinatus: action

A

abduction of arm, rotator cuff muscle (RCM)

54
Q

infraspinatus: location

A

posterior deep, RCM

55
Q

infraspinatus: origin

A

infraspinous fossa

56
Q

infraspinatus: insertion

A

middle facet of greater tubercle of humerus

57
Q

infraspinatus: innervation

A

suprascapular nerve

58
Q

infraspinatus: action

A

lateral rotation of arm, RCM

59
Q

teres minor: location

A

posterior deep, RCM

60
Q

teres minor: origin

A

upper 2/3 of lateral border of scapula

61
Q

teres minor: insertion

A

inferior facet of greater tubercle of humerus

62
Q

teres minor: innervation

A

axillary nerve

63
Q

teres minor: action

A

lateral rotation of arm, RCM

64
Q

teres major: location

A

posterior deep

65
Q

teres major: origin

A

inferior angle of scapula

66
Q

teres major: insertion

A

medial lip of intertubercular sulcus

67
Q

teres major: innervation

A

inferior subscapular nerve

68
Q

teres major: action

A

medial rotation and extension

69
Q

subscapularis: location

A

anterior to scapula, RCM

70
Q

subscapularis: origin

A

subscapular fossa

71
Q

subscapularis: insertion

A

lesser tubercle of the humerus

72
Q

subscapularis: innervation

A

upper and lower subscapular nerves

73
Q

subscapularis: action

A

medial rotation of arm at shoulder joint, RCM

74
Q

muscles which make up the rotator cuff

A
  • supraspinatus
  • infraspinatus,
  • teres minor,
  • subscapularis
75
Q

SITS: and location

A
  • Supraspinatus (index)
  • Infraspinatus (rude)
  • Teres minor (ring)
  • Subscapularis (thumb)

only thumb is lesser tubercle, rest greater tubercle of humerus

76
Q

pectoralis major: location and main parts

A

anterior superficial,

  • clavicular head
  • sternocostal part
77
Q

pectoralis major: origin

A
  • clavicular head: anterior surface of medial half of clavicle
  • sternocostal head: anterior surface of sternum
  • first 7 costal cartilages
  • sternal end of 6th rib
  • aponeurosis (flat tendon) of external oblique
78
Q

pectoralis major: insertion

A

lateral lip of intertubercular sulcus of humerus

79
Q

pectoralis major: innervation

A

lateral and medial pectoral nerve

80
Q

pectoralis major: action

A

flexion, adduction, medial rotation of the arm

81
Q

pectoralis minor: location

A

anterior deep

82
Q

pectoralis minor: origin

A

anterior surface of ribs 3-5

83
Q

pectoralis minor: insertion

A

coracoid process

84
Q

pectoralis minor: innervation

A

medial pectoral nerve

85
Q

pectoralis minor: action

A

stabilises and protracts scapula

86
Q

subclavius: location

A

anterior deep

87
Q

subclavius: origin

A

rib 1 at costochondral junction

88
Q

subclavius: insertion

A

groove on inferior surface of middle 1/3 of clavicle

89
Q

subclavius: innervation

A

subclavian nerve (?)

90
Q

subclavius: action

A

pulls clavicle medially for stabilisation

91
Q

what is the large fascia which is deep to pectoralis major called? and function/ features

A

clavipectoral fascia

  • encloses subclavius and pectoralis minor
  • connects clavicle to floor of axilla

2. HLTH 109 (29 decks)

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