deep superficial / deep intermediate back muscles Flashcards

1
Q

splenius capitis origin

A
  • nuchal ligament
  • SP C7-T3/T4
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2
Q

splenius capitis insertion

A

mastoid process

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3
Q

splenius capitis action

A

bilateral action:
- extension of head
unilateral action:
- ipsilateral flexion and rotation of head

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4
Q

splenius capitis innervation

A

dorsal rami

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5
Q

splenius cervicis origin

A

SP T3-T6

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6
Q

splenius cervicis insertion

A

TP C1-C3

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7
Q

splenius cervicis action

A

bilateral action:
- extension of head
unilateral action:
- ipsilateral flexion and rotation of head

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8
Q

splenius cervicis innervation

A

dorsal rami

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9
Q

iliocostalis origin

A
  • posterior iliac crest
  • posterior sacrum
  • SP L/S vertebrae
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10
Q

iliocostalis insertion

A
  • ribs
  • TP of cervical vertebrae
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11
Q

iliocostalis action

A

bilateral action:
- extend vertebral column and neck
unilateral action:
- ipsilateral flexion and rotation

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12
Q

iliocostalis innervation

A

dorsal rami

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13
Q

longissimus origin

A
  • posterior iliac crest
  • posterior sacrum
  • SP L/S vertebrae
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14
Q

longissimus insertion

A
  • ribs
  • TP of C/T vertebrae
  • mastoid process
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15
Q

longissimus action

A

bilateral action:
- extend vertebral column and neck
unilateral action:
- ipsilateral flexion and rotation

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16
Q

longissimus innervation

A

dorsal rami

17
Q

spinalis origin

A
  • posterior iliac crest
  • posterior sacrum
  • SP L/S vertebrae
18
Q

spinalis insertion

A

SP of C/T vertebrae

19
Q

spinalis action

A

bilateral action:
- exten vertebral column and neck
unilateral action:
- ipsilateral flexion and rotation

20
Q

spinalis innervation

A

dorsal rami