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Anatomy > L2 COPY > Flashcards

L2 COPY Flashcards

1
Q

What is the site of attachment of the nuchal ligament?

A

External occipital protuberance and nuchal groove

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2
Q

What is the nape of the neck formed by?

A

The upper border of trapezius

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3
Q

What spinous process is the superior angle of the scapula opposite to ?

A

T2 spinous process

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4
Q

What spinous process is the spine of the scapula
normally at?

A

The level of T3 spine

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5
Q

What spinous process is the inferior angle opposite?

A

T7 to T8

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6
Q

What are the four muscles passing from the trunk or axial skeleton to scapula?

A

Trapezius, rhomboids and levator scapulae

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7
Q

Name one muscle passing directly to the humerus, with a minor attachment to the scapula

A

Latissimus dorsi

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8
Q

What are the only two scapular region muscles that are not supplied by branches of the brachial plexus?

A

Levator scapulae and trapezius

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9
Q

Name a powerful adductor of the humerus that works with pectoralis major in power adduction of humerus or raising the trunk as in climbing if humerus fixed.

A

Latissimus dorsi

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10
Q

Deltoid origin

A

Lateral third of clavicle, acromion, spine of scapula

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11
Q

Deltoid insertion

A

Deltoid tuberosity of humerus

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12
Q

Deltoid innervation

A

Axillary nerve

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13
Q

Deltoid blood supply

A

Posterior circumflex humeral artery, deltoid branch of thoracoacromial artery

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14
Q

Deltoid actions

A

shoulder abduction, flexion and extension

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15
Q

Trapezius origin

A

External occipital protuberance and superior nuchal line of the back of the skull – ligamentum nuchae – spine processes of all
thoracic vertebra T1 to T12

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16
Q

Trapezius insertion

A

upper - clavicle and acromion of scapula;
middle - spine of scapula;
lower - base of the spine of scapula

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17
Q

Trapezius blood supply

A
  • The transverse cervical artery
  • The dorsal scapular artery,
  • The posterior intercostal arterial branches.
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18
Q

Trapezius innervation

A

Spinal part of the accessory nerve

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19
Q

Trapezius actions

A

Elevates, retracts, rotates the scapula

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20
Q

Latissimus dorsi origin

A

T7 to L5 spinous processes – thoracolumbar fascia –
posterior superior iliac spine and posterior iliac crest

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21
Q

Latissimus dorsi insertion

A

The floor of the intertubercular groove of the humerus

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22
Q

Latissimus dorsi blood supply

A

Thoracodorsal artery

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23
Q

Latissimus dorsi innervation

A

Thoracodorsal nerve

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24
Q

Latissimus dorsi actions

A

Adducts and medially rotates the humerus – raises the trunk – powerful extensor of the humerus from the flexed position

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25
Q

Rhomboid major and minor origin

A

Spines of upper six thoracic vertebra

26
Q

Rhomboid major and minor insertion

A

Dorsal surface of medial border of scapula rhomboid minor above and major below

27
Q

Rhomboid major and minor actions

A

Elevates / retracts the scapula

28
Q

Rhomboid major and minor nerve supply

A

Dorsal scapular nerve

29
Q

Rhomboid major and minor blood supply

A

Dorsal scapular artery

30
Q

Levator scapulae origin

A

3 to 4 slips passing from transverse tubercles C1-C4

31
Q

Levator scapulae insertion

A

Superior angle of scapula

32
Q

Levator scapulae innervation

A

Direct branches from cervical plexus C3, C4

33
Q

Levator scapulae actions

A

Elevates the scapula

34
Q

Levator scapulae blood supply

A

Dorsal scapular artery

35
Q

Teres major origin

A

Inferior angle dorsal surface of scapula

36
Q

Teres major insertion

A

Medial lip intertubercular groove humerus

37
Q

Teres major innervation

A

Lower subscapular nerve C6, C7

38
Q

Teres major blood supply

A

Subscapular and circumflex scapular arteries

39
Q

Teres major actions

A

Adduction & medial rotation of the humerus

40
Q

Teres minor origin

A

Lateral border of the scapula

41
Q

Teres minor innervation

A

Axillary nerve

42
Q

Teres minor insertion

A

Inferior facet of greater tubercle of the humerus

43
Q

Teres minor blood supply

A

Subscapular and circumflex scapular artery

44
Q

Teres minor actions

A

Adduction and lateral rotation of humerus

45
Q

Supraspinatus origin

A

Supraspinous fossa scapula

46
Q

Supraspinatus insertion

A

Upper facet greater tubercle of humerus

47
Q

Supraspinatus innervation

A

Suprascapular nerve (upper trunk)

48
Q

Supraspinatus blood supply

A

Suprascapular artery

49
Q

Supraspinatus actions

A

Initiation of abduction + part of ‘rotator cuff’

50
Q

Infraspinatus origin

A

Infraspinous fossa

51
Q

Infraspinatus insertion

A

Middle facet greater tubercle of humerus

52
Q

Infraspinatus blood supply

A
  • Suprascapular
  • Circumflex scapular arteries.
53
Q

Infraspinatus innervation

A

Suprascapular nerve (upper trunk BP)

54
Q

Infraspinatus actions

A

Lateral rotation of arm, + part of ‘rotator cuff’ group

55
Q

Subscapularis origin

A

Subscapular fossa

56
Q

Subscapularis insertion

A

Lesser tubercle of Humerus

57
Q

Subscapularis innervation

A

Upper & lower subscapular nerves C5, C6, C7

58
Q

Subscapularis blood supply

A
  • Subscapular
  • Suprascapular
  • Circumflex scapular arteries
59
Q

Subscapularis actions

A

Medial rotation & adduction of humerus / + part of ‘rotator cuff’

60
Q
A

Anatomy (23 decks)

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