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Anatomy > MOINA of Back > Flashcards

MOINA of Back Flashcards

1
Q

origin of erector spinae

A

iliac crest, sacrum, transverse and spinous processes of vertebrae and supraspinal ligament

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2
Q

insertion of erector spinae

A

angles of the ribs, transverse and spinous processes of vertebrae, posterior aspect of the skull

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3
Q

innervation of erector spinae

A

segmentally innervated by dorsal primary rami of spinal nerves C1-S5

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4
Q

action of erector spinae

A

extends and laterally bends the trunk, neck and head

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5
Q

origin of iliocostalis

A

iliac crest and sacrum

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6
Q

insertion of iliocostalis

A

angles of the ribs

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7
Q

innervation of iliocostalis

A

dorsal primary rami of spinal nerves C4-S5

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8
Q

action of iliocostalis

A

extends and laterally bends the trunk and neck

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9
Q

origin of interspinales

A

upper border of spinous process

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10
Q

insertion of interspinales

A

lower border of spinous process above

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11
Q

innervation of interspinales

A

dorsal primary rami of spinal nerves C1-L5

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12
Q

action of interspinales

A

extend trunk and neck

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13
Q

origin of intertransversarii

A

upper border of transverse process

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14
Q

insertion of intertransversarii

A

lower border of transverse process above

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15
Q

innervation of intertransversarii

A

dorsal primary rami of spinal nerves C1-L5

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16
Q

action of intertransversarii

A

laterally bend trunk and neck

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17
Q

origin of longissimus

A

transverse process at inferior vertebral levels

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18
Q

insertion of longissimus

A

transverse process at superior vertebral levels and mastoid process

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19
Q

innervation of longissimus

A

dorsal primary rami of spinal nerves C1-S1

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20
Q

action of longissimus

A

extends and laterally bends the trunk, neck, and head

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21
Q

origin of multifidus

A

sacrum, tranverse processes of C3-L5

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22
Q

insertion of multifidus

A

spinous processes 2-4 vertebral levels superior to their origin

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23
Q

innervation of multifidus

A

dorsal primary rami of spinal nerves C1-L5

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24
Q

action of multifidus

A

extend and laterally bend trunk and neck, rotate to opposite side

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25
Q

origin of obliquus capitis inferior

A

spinous process of the axis

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26
Q

insertion of obliquus capitis inferior

A

transverse process of atlas

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27
Q

innervation of obliquus capitis inferior

A

suboccipital nerve (DPR of C1)

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28
Q

action of obliquus capitis inferior

A

rotates the head to the same side

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29
Q

origin of obliquus capitis superior

A

transverse process of atlas

30
Q

insertion of obliquus capitis superior

A

occipital bone above inferior nuchal line

31
Q

innervation of obliquus capitis superior

A

suboccipital nerve (DPR of C1)

32
Q

action of obliquus capitis superior

A

extends the head, rotates the head to the same side

33
Q

origin of rectus capitis posterior major

A

spinous process of axis

34
Q

insertion of rectus capitis posterior major

A

inferior nuchal line

35
Q

innervation of rectus capitis posterior major

A

suboccipital nerve (DPR of C1)

36
Q

action of rectus capitis posterior major

A

extends the head, rotate to same side

37
Q

origin of rectus capitis posterior minor

A

posterior tubercle of atlas

38
Q

insertion of rectus capitis posterior minor

A

inferior nuchal line medially

39
Q

innervation of rectus capitis posterior minor

A

suboccipital nerve (DPR of C1)

40
Q

action of rectus capitis posterior minor

A

extends the head

41
Q

origin of rotatores

A

transverse processes

42
Q

insertion of rotatores

A

long rotatores: spines 2 vertebrae above origin; short rotatores: spines 1 vertebrae above origin

43
Q

innervation of rotatores

A

dorsal primary rami of spinal nerves C1-L5

44
Q

action of rotatores

A

rotates the vertebral column to the opposite side

45
Q

origin of semispinalis

A

transverse processes of C7-T12

46
Q

insertion of semispinalis

A

capitis: back of skull between nuchal lines; cervicis & thoracis: spines 4-6 vertebrae above origin

47
Q

innervation of semispinalis

A

dorsal primary rami of spinal nerves C1-T12

48
Q

action of semispinalis

A

extends the trunk and laterally bends the trunk, rotates the trunk to the opposite side

49
Q

origin of serratus posterior inferior

A

thoracolumbar fascia, spines of vertebrae T11-T12 and L1-L2

50
Q

insertion of serratus posterior inferior

A

ribs 9-12, lateral to the angles

51
Q

innervation of serratus posterior inferior

A

branches of the ventral primary rami of spinal nerves T9-T12

52
Q

action of serratus posterior inferior

A

pulls down lower ribs

53
Q

origin of serratus posterior superior

A

ligamentum nuchae, spines of vertebrae C7 and T1-T3

54
Q

insertion of serratus posterior superior

A

ribs 1-4, lateral to the angles

55
Q

innervation of serratus posterior superior

A

branches of the ventral primary rami of spinal nerves T1-T4

56
Q

action of serratus posterior superior

A

elevates the upper ribs

57
Q

origin of spinalis

A

spinous processes at inferior vertebral levels

58
Q

insertion of spinalis

A

spinous processes at superior vertebral levels and base of the skull

59
Q

innervation of spinalis

A

dorsal primary rami of spinal nerves C2-L3

60
Q

action of spinalis

A

extends and laterally bends trunk and neck

61
Q

origin of splenius

A

ligamentum nuchae and spines C7-T6

62
Q

insertion of splenius

A

capitis: mastoid process & superior nuchal line laterally; cervicis: posterior tubercles of C1-C3 vertebrae

63
Q

innervation of splenius

A

dorsal primary rami of spinal nerves C2-C6

64
Q

action of splenius

A

extends and laterally bends neck and head; rotates head to same side

65
Q

origin of splenius capitis

A

ligamentum nuchae and spines of C7-T6 vertebrae

66
Q

insertion of splenius capitis

A

mastoid process and lateral end of the superior nuchal line

67
Q

innervation of splenius capitis

A

dorsal primary rami of spinal nerves C2-C6

68
Q

action of splenius capitis

A

extends and laterally bends the neck and head, rotates head to the same side

69
Q

origin of splenius cervicis

A

ligamentum nuchae and spines of C7-T6 vertebrae

70
Q

insertion of splenius cervicis

A

posterior tubercles of the transverse processes of C1-C3 vertebrae

71
Q

innervation of splenius cervicis

A

dorsal primary rami of spinal nerves C2-C6

72
Q

action of splenius cervicis

A

extends and laterally bends neck and head, rotates head to the same side

Anatomy (7 decks)

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