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MABS Anatomy - Back > Back Muscles > Flashcards

Back Muscles Flashcards

1
Q

splenius cervicis origin?

A

spinous processes T3-T6

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2
Q

splenius cervicis distal?

A

transverse processes C1-/4

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3
Q

splenius cervicis innervation?

A

posterior rami C4-C6

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4
Q

splenius cervicis artery?

A

occipital and transverse cervical

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5
Q

splenius cervicis action?

A

bilaterally extend and ipsilaterally rotate neck

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6
Q

splenius capitis origin?

A

ligamentum nuchae

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7
Q

splenius capitis distal?

A

spinous process C7- T3/4

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8
Q

splenius capitis innervation?

A

posterior rami C3-C4

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9
Q

splenius capitis artery?

A

deep cervical and occipital

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10
Q

splenius capitis action?

A

bilaterally extend and ipsilaterally rotate neck

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11
Q

spinalis origin

A

common tendinous

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12
Q

spinalis distal

A

spinous process C2, T1-T8, occipital bone

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13
Q

spinalis innervation

A

posterior rami of spinal nerve

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14
Q

spinalis artery

A

lateral sacral

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15
Q

spinalis action

A

unilaterally to laterally flex vertebral column;. bilaterally extend vertebral column and head

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16
Q

longissimus origin

A

common tendinous

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17
Q

longissimus distal

A

lower ribs, transverse processes C2-T12, mastoid process

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18
Q

longissimus innervation

A

posterior rami of spinal nerve

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19
Q

longissimus artery

A

lateral sacral

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20
Q

longissimus action

A

unilateral laterally flex vertebral column; bilateral extend vertebral column & head

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21
Q

iliocostalis origin?

A

iliac crest, lower thoracic and lumbar vertebrae

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22
Q

iliocostalis distal?

A

costal angle of ribs and cervical transverse processes

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23
Q

iliocostalis innervation?

A

posterior rami spinal nerve

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24
Q

iliocostalis artery?

A

intercostal and lumbar

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25
Q

iliocostalis action?

A

unilaterally:laterally flex vertebral column; bilaterally extend vertebral column & head

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26
Q

semispinalis origin?

A

transverse processes of C4-T10 vertebrae

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27
Q

semispinalis distal?

A

spinous process of C2-T4

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28
Q

semispinalis innervation?

A

posterior rami spinal n

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29
Q

semispinalis artery?

A

occipital and intercostal

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30
Q

semispinalis action?

A

extends and contra laterally rotates head and vertebral column

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31
Q

multifidus origin?

A

sacrum, posterior iliac spine, common tendinous, lumbar vertebrate, transverse process of T1-T3 and articular processes of C4 and C7

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32
Q

multifidus distal?

A

vertebral segments, attaching spinous processes of vertebrae

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33
Q

multifidus innervation?

A

posterior rami spinal nerve

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34
Q

multifidus artery?

A

intercostal and lumbar

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35
Q

multifidus action?

A

stabilizes the vertebral column

36
Q

rotatores origin?

A

vertebral transverse processes

37
Q

rotatores distal?

A

lamina and spinous processes of immediately superior vertebrae

38
Q

rotatores innervation?

A

posterior rami spinal nerve

39
Q

rotatores artery?

A

occipital, intercostal and lumbar

40
Q

rotatores action?

A

stabilizes the vertebral column and proprioception

41
Q

trapezius origin?

A

midline occipital protuberance inferior to T-12

42
Q

trapezius distal?

A

scapular spine

43
Q

trapezius innervation?

A

motor: spinal accessory (XI)

44
Q

trapezius artery?

A

transverse cervical a.

45
Q

trapezius action?

A

upper fibers - elevate shoulder middle fibers - retract scapula lower fibers - depress scapula

46
Q

latissimus dorsi origin

A

T7-12 spinous processes, thorocolumbar fascia, iliac crest

47
Q

latissimus dorsi distal

A

intertubercular groove of humerus

48
Q

latissimus dorsi innervation

A

thoracodorsal nerve

49
Q

latissimus dorsi artery

A

thoracodorsal a.

50
Q

latissimus dorsi action

A

adducts and internally rotates the humerus

51
Q

levator scapulae origin?

A

transverse processes of C1-C4 vertebrae

52
Q

levator scapulae distal?

A

medial border of the scapula

53
Q

levator scapulae innervation?

A

dorsal scapular nerve (C5)

54
Q

levator scapulae artery?

A

dorsal scapular a.

55
Q

levator scapulae action?

A

elevates the scapula

56
Q

rhomboideus origin?

A

nuchal ligament (C7 to inion) and C7-T5 spinous process

57
Q

rhomboideus distal?

A

medial border of the scapula

58
Q

rhomboideus innervation?

A

dorsal scapular nerve (C5)

59
Q

rhomboideus artery?

A

dorsal scapular a.

60
Q

rhomboideus action?

A

retracts scapula

61
Q

serratus anterior origin?

A

ribs 1-8

62
Q

serratus anterior distal?

A

anterior surface of medial border of scapula

63
Q

serratus anterior innervation?

A

long thoracic nerve

64
Q

serratus anterior artery?

A

lateral thoracic a.

65
Q

serratus anterior action?

A

protracts the scapula

66
Q

teres major origin?

A

lower 1/3 dorsal surface lateral border of scapula

67
Q

teres major distal?

A

medial side of intertubercular groove of the humerus

68
Q

teres major innervation?

A

thoracodorsal nerve

69
Q

teres major artery?

A

subscapular and circumflex scapular

70
Q

teres major action?

A

adducts and internally rotates the humerus, extends humerus frm flexed position

71
Q

serratus posterior superior origin?

A

ligamentum nuchae, C7 and T3

72
Q

serratus posterior superior distal?

A

ribs 2-5

73
Q

serratus posterior superior innervation?

A

intercostal

74
Q

serratus posterior superior artery?

A

intercostal arteries

75
Q

serratus posterior superior action?

A

elevates ribs 2-5

76
Q

serratus posterior inferior origin?

A

L1-L3

77
Q

serratus posterior inferior distal?

A

ribs 9-12

78
Q

serratus posterior inferior innervation?

A

intercostal n

79
Q

serratus posterior inferior artery?

A

subcostal and lumbar

80
Q

serratus posterior inferior action?

A

depresses ribs 9-12

81
Q

deltoid origin?

A

clavicle, acromion process, spine of scapula

82
Q

deltoid distal?

A

deltoid tuberosity

83
Q

deltoid innervation?

A

axillary n

84
Q

deltoid artery?

A

circumflex humeral & axillary

85
Q

deltoid action?

A

anterior – flex/internally rotates humerus

middle – abducts humerus

posterior – extends/laterally rotates humerus

MABS Anatomy - Back (1 decks)

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