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OCS Anatomy > Moore back and chest > Flashcards

Moore back and chest Flashcards

1
Q

Trapezius origin

A

Medial 1/3 of the nuchal line, external occipital protuberance, nuchal ligament, spinous process C7-T12

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2
Q

Levator scapulae origin

A

Transverse processes C1-C4

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3
Q

Rhomboid minor origin

A

Nuchal ligament, spinous processes C7, T1

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4
Q

Rhomboid major origin

A

Spinous processes T2-T5

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5
Q

Latissimus dorsi origin

A

Iliac crest, spinous processes T7-T12, ribs 9-12, thoracolumbnar fascia

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6
Q

Serratus anterior origin

A

External lateral sides of rib 1-8

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7
Q

Teres major origin

A

Inferior lateral border of the scapula

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8
Q

Subscapularis origin

A

Subscapular fossa of scapula (anterior side)

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9
Q

Supraspinatus origin

A

Supraspinatus fossa of scapula

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10
Q

Infraspinatus origin

A

Infraspinatus fossa of scapula

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11
Q

Teres minor origin

A

Superior portion of lateral border of scapula

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12
Q

Pectoralis major origin

A

Clavicular head: anterior surface of medial 1/2 of the clavicle; sternal head: anterior surface of the stermnum, costal cartilages 1-6, external oblique aponeuosis

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13
Q

Pectoralis minor origin

A

Ribs 3-5 near costal cartilages

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14
Q

Subclavius origin

A

junction of costal cartilage of rib 1

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15
Q

Trapezius insertion

A

Lateral 1/3 of the clavicle, acromion and spine of scapula

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16
Q

Levator scapulae insertion

A

Medial border of superior angle of scapula

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17
Q

Rhomboid minor insertion

A

Triangular area of medial border of scapula at end of spine

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18
Q

Rhomboid major insertion

A

Medial border of the scapula inferior to the spine

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19
Q

Latissimus dorsi insertion

A

Floor of the intertubercluar groove of humerus

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20
Q

Serratus anterior insertion

A

Anterior medial border of scapula

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21
Q

Teres major insertion

A

Medial lip of intertubcular groove of humerus

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22
Q

Subscapularis insertion

A

Lesser tubercle of humerus

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23
Q

Supraspinatus insertion

A

Superior facet of greater tubercle of humerus

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24
Q

Infraspinatus insertion

A

Middle facet of greater tubercle of humerus

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25
Q

Teres minor insertion

A

Inferior facet of greater tubercle of humerus

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26
Q

Pectoralis major insertion

A

Lateral lip of intertubicular groove of humerus

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27
Q

Pectoralis minor insertion

A

Coracoid process of the scapula

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28
Q

Subclavius insertion

A

Middle 1/3 of inferior clavicle

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29
Q

Trapezius action

A

Descending head elevates scapula, ascending part depresses the scapula, middle part (or all 3) retract scapula, descending and ascending rotate glenoid cavity superiorly

30
Q

Levator scapulae action

A

Medially elevates scapula and flexes cervical spine

31
Q

Rhomboid minor action

A

Retracts, depresses, stabilizes and internally rotates scapula

32
Q

Rhomboid major action

A

Retracts, depresses, stabilizes, and internally rotates the scapula

33
Q

Latissimus dorsi action

A

Extension, internal rotation, and adduction of humerus

34
Q

Serratus anterior action

A

Pulls the scapula against thoracic cage

35
Q

Teres major action

A

Internal rotation, adduction, and extension of the arm

36
Q

Subscapularis action

A

Internal rotation and holds humeral head in glenoid cavity SITS muscle

37
Q

Supraspinatus action

A

Initiates abduction (first 15⁰) SITS muscle

38
Q

Infraspinatus action

A

External rotation of humerus SITS muscle

39
Q

Teres minor action

A

External rotation of humerus, SITS muscle

40
Q

Pectoralis major action

A

Adduction, internal rotation of humerus, pulls scapula forward. Clavicular head alone flexes humerus, sternal head alone extended from flexed

41
Q

Pectoralis minor action

A

Pulls scapula inferior and anterior to ribs cage

42
Q

Subclavius action

A

Depresses and stabilizes clavicle

43
Q

Trapezius innervation

A

Spinal accessory nerve (cranial nerve XI), pain and proprioceptive fibers from C3, C4

44
Q

Levator scapulae innervation

A

Dorsal scapular nerve C5, upper part receive innervation from C3, C4

45
Q

Rhomboid minor innervation

A

Dorsal scapular nerve C4, C5

46
Q

Rhomboid major innervation

A

Dorsal scapular nerve C4, C5

47
Q

Latissimus dorsi innervation

A

Thoracodorsal nerve C6 C7 C8

48
Q

Serratus anterior innervation

A

Long thoracic nerve C5 C6 7

49
Q

Teres major innervation

A

Lower subscapular nerve C5 C6

50
Q

Subscapularis innervation

A

Upper and lower subscapular nerves C5 C6 C7

51
Q

Supraspinatus innervation

A

Suprascapular nerve (C5 C6)

52
Q

Infraspinatus innervation

A

Suprascapular nerve C5 C6

53
Q

Teres minor innervation

A

Axilarry nerve C5 C6

54
Q

Pectoralis major innervation

A

Lateral and medial pectoral nerve, clavicular head C5 C6, sternal head C7 C8 T1

55
Q

Pectoralis minor innervation

A

Medial pectoral nerve C8 T1

56
Q

Subclavius innervation

A

Nerve to subclavius C5 C6

57
Q

Trapezius arterial supply

A

Transverse cervical artery

58
Q

Levator scapulae arterial supply

A

Descending scapular artery

59
Q

Rhomboid minor arterial supply

A

Descending scapular artery

60
Q

Rhomboid major arterial supply

A

Descending scapular artery

61
Q

Latissimus dorsi arterial supply

A

Descending scapular and subscapular artery according to donor lab resources. Everyone says thoracodorsal artery though

62
Q

Serratus anterior arterial supply

A

Lateral thoracic artery

63
Q

Teres major arterial supply

A

Circumflex scapular artery

64
Q

Subscapularis arterial supply

A

Subscapular and lateral thoracic arteries

65
Q

Supraspinatus arterial supply

A

Suprascaular artery

66
Q

Infraspinatus arterial supply

A

Suprascapular and circumflex scapular artery

67
Q

Teres minor arterial supply

A

Circumflex scapular artery

68
Q

Pectoralis major arterial supply

A

Pectoral branch of throacoacromial artery, lateral thoracic

69
Q

Pectoralis minor arterial supply

A

Pectoral branch of thoracoacromial artery, intercostal branches of internal thoracic, lateral thoracic

70
Q

Subclavius arterial supply

A

Clavicular branch of thoracoacromial artery

OCS Anatomy (24 decks)

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