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Lower body myology > Myology of trunk: Intermediate and deep spine > Flashcards

Myology of trunk: Intermediate and deep spine Flashcards

1
Q

Origin of spinalis thoracis?

A

Spinous processes of T11-L2

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2
Q

Insertion of spinalis thoracis?

A

Spinous processes of T1-T6

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3
Q

Action of spinalis thoracis?

A

Acting together, muscles of each region extend vertebral column of their respective parts and extend head

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4
Q

Innervation of spinalis thoracis?

A

Dorsal rami of the thoracic and lumbar spinal nerves

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5
Q

Origin of spinalis cervicis?

A

Ligamentum nuchae and spinous process of C7

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6
Q

Insertion of spinalis cervicis?

A

Spinous process of axis

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7
Q

Action of spinalis cervicis?

A

Acting together, muscles of each region extend vertebral column of their respective parts and extend head

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8
Q

Innervation of spinalis cervicis?

A

Dorsal rami of cervical spinal nerves

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9
Q

Origin of spinalis capitis?

A

Arises with semispinalis capitis

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10
Q

Insertion of spinalis capitis?

A

Midline of the occipital bone

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11
Q

Action of spinalis capitis?

A

Acting together, muscles of each region extend vertebral column of their respective parts and extend head

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12
Q

Innervation of spinalis capitis?

A

Dorsal rami of upper cervical spinal nerves

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13
Q

Origin of longissimus thoracis?

A

Arises from common erector spinae origin (more medial part) and the TP’s of L1-L5

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14
Q

Insertion of longissimus thoracis?

A

All 12 thoracic vertebrae and adjacent regions of the lower 10 ribs

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15
Q

Action of longissimus thoracis?

A

Bilaterally extends the vertebral column, unilaterally side flexes to their respective region ipsilaterally

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16
Q

Innervation of longissimus thoracis?

A

Dorsal rami of thoracic and lumbar spinal nerves

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17
Q

Origin of longissimus cervicis?

A

Arises from transverse processes of cervical vertebra T1-T6 (medial to thoracis)

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18
Q

Insertion of longissimus cervicis?

A

Posterior tubercles of the transverse processes of C2-C6

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19
Q

Action of longissimus cervicis?

A

Bilaterally extends the vertebral column, unilaterally side flexes to their respective region ipsilaterally

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20
Q

Innervation of longissimus cervicis?

A

Dorsal rami of upper thoracic and lower cervical spinal nerves

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21
Q

Origin of longissimus capitis?

A

Transverse processes of T1-T5 and articulating processes of C4-C7

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22
Q

Insertion of longissimus capitis?

A

Mastoid process

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23
Q

Action of longissimus capitis?

A

Bilaterally extends the head and neck
Unilaterally side flexes the head and rotates ipsilaterally

24
Q

Innervation of longissimus capitis?

A

Dorsal rami of cervical spinal nerves

25
Q

Origin of Iliocostalis lumborum?

A

Arises from common erector spinae origin (more lateral)

26
Q

Insertion of Iliocostalis lumborum?

A

Lower 6 ribs

27
Q

Action of Iliocostalis lumborum?

A

Bilaterally extends vertebral column
Unilaterally side flexes ipsilaterally

28
Q

Innervation of Iliocostalis lumborum?

A

Posterior rami of lumbar and lower thoracic spinal nerves

29
Q

Origin of iliocostalis thoracis?

A

Lower 6 ribs

30
Q

Insertion of iliocostalis thoracis?

A

Upper 6 ribs

31
Q

Action of iliocostalis thoracis?

A

Bilaterally extends vertebral column
Unilaterally side flexes ipsilaterally

32
Q

Innervation of iliocostalis thoracis?

A

Dorsal rami of thoracic spinal nerves

33
Q

Origin of iliocostalis cervicis?

A

Upper 6 ribs

34
Q

Insertion of iliocostalis cervicis?

A

Transverse processes of C4-C7

35
Q

Action of iliocostalis cervicis?

A

Bilaterally extends vertebral column
Unilaterally side flexes ipsilaterally

36
Q

Innervation of iliocostalis cervicis?

A

Dorsal rami of cervical and upper thoracic spinal nerves

37
Q

Common origin of the erector spinae?

A

Medially: Spinous processes T11-L5, supraspinous ligament, median sacral crest
Laterally: Lateral sacral crest, sacrotuberous, coccygeal, and posterior sacroiliac ligaments, posterior part of iliac crest

38
Q

Origin of semispinalis thoracis?

A

Transverse processes of T6-T10

39
Q

Insertion of semispinalis thoracis?

A

Spinous processes of C6-T2

40
Q

Action of semispinalis thoracis?

A

Bilaterally extends spine
Unilaterally rotates spine contralaterally

41
Q

Innervation of semispinalis thoracis?

A

Posterior rami of thoracic spinal nerves

42
Q

Origin of semispinalis cervicis?

A

Transverse processes of T1-T6

43
Q

Insertion of semispinalis cervicis?

A

Spinous processes of C2-C6

44
Q

Action of semispinalis cervicis?

A

Bilaterally extends spine
Unilaterally rotates spine contralaterally

45
Q

Innervation of semispinalis cervicis?

A

Dorsal rami of cervical spinal nerves

46
Q

Origin of semispinalis capitis?

A

Transverse processes of C4-T6

47
Q

Insertion of semispinalis capitis?

A

Between the superior and inferior nuchal lines of the skull

48
Q

Action of semispinalis capitis?

A

Bilaterally extends spine and head
Unilaterally rotates head contralaterally

49
Q

Innervation of semispinalis capitis?

A

Greater occipital nerve (C2) and C3

50
Q

Origin of multifidus?

A

Posterior aspect of sacrum, mamillary process of lumbar vertebrae, transverse processes of thoracic vertebrae, articular processes of C3-C7

51
Q

Insertion of multifidus?

A

Spinous processes of all vertebrae from C2-L5

52
Q

Action of multifidus?

A

Bilaterally extends the spine
Unilaterally side flexes the spine on the same side
Unilaterally rotates the spine on the opposite side

53
Q

Innervation of multifidus?

A

Dorsal rami of cervical, thoracic, and lumbar vertebral spine

54
Q

Origin of rotatores?

A

Arises from the transverse processes of all vertebrae

55
Q

Insertion of rotatores?

A

Lamina of the vertebrae above origin vertebra

56
Q

Action of rotatores?

A

Bilaterally extends the spine
Unilaterally rotates the spine to the other side

57
Q

Innervation of rotatores?

A

Posterior rami of adjacent vertebrae

Lower body myology (7 decks)

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