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Anatomy exam 3 > Superficial back > Flashcards

Superficial back Flashcards

1
Q

Upper trapezius origin

A

External occipital protuberance; ligamentum nuchae; Spinous processes of 7th cervical and all thoracic vertebrae

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2
Q

Upper trapezius insetion

A

spine of scapula; acromion; lateral 1/3 of clavicle

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3
Q

upper trapezius action

A

elevation of scapula

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4
Q

upper trapezius innervation

A

spinal accessory nerve (CN XI)

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5
Q

upper trapezius blood supply

A

transverse cervical artery, dorsal perforating branches of posterior intercostal arteries

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6
Q

Middle trapezius origin

A

external occipital protuberance; ligamentum nuchae; spinous processes of 7th cervical vertebrae and all thoracic vertebrae

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7
Q

Middle trapezius insertion

A

spine of scapula; acromion; lateral 1/3 of clavicle

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8
Q

middle trapezius action

A

retraction of scapula

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9
Q

middle trapezius innervation

A

spinal accessory nerve (CN XI)

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10
Q

Middle trapezius blood supply

A

transverse cervical artery; dorsal perforating branches of posterior intercostal arteries

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11
Q

lower trapezius origin

A

external occipital protuberance; ligamentum nuchae; spinous processes of 6th cervical vertebrae and all thoracic vertebrae

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12
Q

lower trapezius insertion

A

spine of scapula; acromion; lateral 1/3 of clavicle

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13
Q

lower trapezius action

A

depression of scapula

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14
Q

lower trapezius innervation

A

Spinal accessory nerve (CN XI)

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15
Q

lower trapezius blood supply

A

Transverse cervical artery; dorsal perforating branches of posterior intercostal arteries

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16
Q

Rhomboid major origin

A

Spinous processes of T2-T5

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17
Q

Rhomboid major insertion

A

Medial border of scapula below rhomboid minor

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18
Q

Rhomboid major action

A

elevation and retraction of scapula

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19
Q

rhomboid major innervation

A

dorsal scapular nerve

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20
Q

rhomboid major blood supply

A

dorsal scapular artery

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21
Q

rhomboid minor origin

A

lower part of ligamentum nuchae; spinous processes of 7th cervical and 1st thoracic vertebrae

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22
Q

rhomboid minor insertion

A

medial lip of scapula at base of spine

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23
Q

rhomboid minor action

A

elevation and retraction of scapula

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24
Q

rhomboid minor innervation

A

dorsal scapular nerve

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25
Q

rhomboid minor blood supply

A

dorsal scapular artery

26
Q

levator scapulae origin

A

Transverse processes of upper four cervical vertebrae

27
Q

levator scapulae insertion

A

superior angle and upper part of medial border of scapula

28
Q

levator scapulae action

A

elevation of scapula. rotation of glenoid cavity upward

29
Q

levator scapulae innervation

A

dorsal scapular nerve

30
Q

levator scapulae blood supply

A

dorsal scapular artery

31
Q

Latissimus dorsi origin

A

spinous process of lowe 6 thorcic and all lumbar vertebrae; posterior part of iliac crest

32
Q

latissimus dorsi insertion

A

medial lip (crest of lesser tubercle) and floor at intertubercular groove of humerus)

33
Q

latissimus dorsi action

A

extension, adduction, and medial rotation of arm

34
Q

latissimus dorsi innervation

A

thoracodorsal nerve

35
Q

latissimus dorsi blood supply

A

thoracodorsal artery

36
Q

Pectoralis major clavicular head origin

A

medial 2/3 of clavicle

37
Q

pectoralis major clavicular-head insertion

A

lateral lip of intertubercular groove of humerus

38
Q

pectoralis major clavicular-head action

A

adduction and medial rotation and flexion of arm

39
Q

pectoralis major clavicular head innervation

A

medial and lateral pectoral nerves

40
Q

pectoralis major clavicular-head blood supply

A

pectoral branch of thoracoacromial artery

41
Q

pectoralis major sternal-head origin

A

sternum and costal cartilages 1-6

42
Q

pectoralis major sternal-head insertion

A

lateral lip of intertubercular groove of humerus

43
Q

pectoralis major sternal-head action

A

adduction and medial rotation of arm

44
Q

pectoralis major sternal-head innervation

A

medial and lateral pectoral nerves

45
Q

pectoralis major sternal-head blood supply

A

pectoral branch of thoracoacromial artery

46
Q

pectoralis minor origin

A

ribs 3-5

47
Q

pectoralis minor insertion

A

coracoid process

48
Q

pectoralis minor action

A

depression of shoulder; downward rotation of scapula

49
Q

pectoralis minor innervation

A

medial pectoral nerve

50
Q

pectoralis minor blood supply

A

pectoral branch of thoracoacromial and intercostal lateral thoracic arteries

51
Q

serratus anterior origin

A

ribs 1-8 on anterolateral thoracic wall

52
Q

serratus anterior insertion

A

medial border of scapula; inferior angle of scapula

53
Q

serratus anterior action

A

protraction of the scapula; holds medial border against thoracic wall

54
Q

serratus anterior innervation

A

long thoracic nerve

55
Q

serratus anterior blood supply

A

lateral thoracic artery

56
Q

Subclavius origin

A

1st rib

57
Q

subclavius insertion

A

inferior surface of clavicle

58
Q

subclavius action

A

stabilizes sternoclavicular joint

59
Q

subclavius innervation

A

nerve to subclavius

60
Q

subclavius blood supply

A

thoracoacromial and suprascapular arteries

Anatomy exam 3 (4 decks)

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