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Anatomy (Upper Extremity) > Intrisic Muscles of the back > Flashcards

Intrisic Muscles of the back Flashcards

1
Q

Splenius capitis: origin

A

-Nuchal ligament -Thoracic spinous processes

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2
Q

Splenius capitis: insertion

A

-mastoid process -occipital bone

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3
Q

Splenius capitis: innervation

A

dorsal rami

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4
Q

Splenius capitis: action

A

Bilateral: extend neck Unilateral: lateral flexion, rotation to ipsilateral side of neck

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5
Q

Splenius cervicis: origin

A

-nuchal ligament -thoracic spinous processes

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6
Q

Splenius cervicis: insertion

A

-Mastoid process -Cervical transverse processes

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7
Q

Splenius cervicis: innervation

A

dorsal rami

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8
Q

Splenius cervicis: action

A

Bilateral - extension of neck Unilateral - lateral flexion, rotation to ipilateral side of neck

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9
Q

Iliocostalis:origin

A

-iliac crests -Sacrum -lumbar spinous processes

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10
Q

Iliocostalis: insertion

A

-Ribs -Transverse processes

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11
Q

Iliocostalis: innervation

A

dorsal rami

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12
Q

Iliocostalis: action

A

Bilateral: extend vertebral column Unilateral: lateral flexion, rotation to ipsilateral side

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13
Q

Longissimus: origin

A

-iliac crest -Sacrum -lumbar spinous procesess

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14
Q

Longissimus: insertion

A

-Transverse processes -mastoid process

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15
Q

Longissimus: innvervation

A

dorsal rami

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16
Q

Longissimus: action

A

Bilateral: extend vertebral column Unilateral: lateral flexion, rotation to ipsilateral side

17
Q

Spinalis: origin

A

-iliac crest -sacrum -lumbar spinous process

18
Q

Spinalis: insertion

A

-spinous processes -occipital bone

19
Q

Spinalis: innervation

A

dorsal rami

20
Q

Spinalis: action

A

Bilateral: extend vertebral column Unilateral: lateral flexion, rotation to ipsilateral side

21
Q

Semispinalis: origin

A

-occupy “gutter” between transverse and spinous processes

22
Q

Semispinalis: insertion

A

-occupy “gutter” between transverse and spinous processes

23
Q

Semispinalis: innervation

A

dorsal rami

24
Q

Semispinalis: action

A

Bilateral: extend vertebral column Unilateral: lateral flexion, rotation to contralateral side

25
Q

Multifidus: origin

A

-occupy “gutter” between transverse and spinous processes

26
Q

Multifidus: insertion

A

-occupy “gutter” between transverse and spinous processes

27
Q

Multifidus: innervation

A

Dorsal Rami

28
Q

Multifidus: action

A

Bilateral: extend vertebral column Unilateral: lateral flexion, rotation to contralateral side

29
Q

Rotatores: origin

A

-occupy “gutter” between transverse and spinous processes

30
Q

Rotatores: insertion

A

-occupy “gutter” between transverse and spinous processes

31
Q

Rotatores: innervation

A

Dorsal rami

32
Q

Rotatores: action

A

Bilateral: extend vertebral column Unilateral: lateral flexion, rotation to contralateral side

Anatomy (Upper Extremity) (12 decks)

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