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Regional Anatomy (Back) > Intrinsic Muscles of the Back > Flashcards

Intrinsic Muscles of the Back Flashcards

1
Q

What are the actions of the iliocostalis lumborum?

A

Spine lateral flexion

Spine extension/hyperextension

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2
Q

What are the actions of the iliocostalis thoracis?

A

Spine extension/hyperextension

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3
Q

What are the actions of the longissimus thoracis?

A

Spine extension/hyperextension

Spine lateral flexion

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4
Q

What are the actions of the multifidus?

A

Spine rotation
Spine extension/hyperextension
Spine lateral flexion

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5
Q

What are the actions of the spinalis thoracis?

A

Spine extension

Spine lateral flexion

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6
Q

What are the actions of the semispinalis thoracis?

A

Spine rotation

Spine extension

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7
Q

What are the actions of the splenius cervicis?

A

Cervical spine extension/hyperextension
Cervical spine lateral flexion
Cervical spine rotation

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8
Q

What are the actions of the splenius capitis?

A

Head and cervical spine rotation
Cervical spine extension/hyperextension
Head and cervical spine lateral flexion

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9
Q

What are the actions of the semispinalis capitis?

A

Head and cervical spine lateral flexion
Head extension/hyperextension
Head and cervical spine rotation

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10
Q

What are the actions of the longissimus capitis?

A

Cervical spine extension/hyperextension

Head and cervical spine lateral flexion

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11
Q

What are the actions of the longissimus cervicis?

A

Cervical spine extension/hyperextension

Cervical spine lateral flexion

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12
Q

What are the actions of the iliocostalis cervicis?

A

Cervical spine extension/hyperextension

Cervical spine lateral flexion

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13
Q

What are the actions of the posterior cervical intertransversarii?

A

Cervical spine lateral flexion

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14
Q

What are the actions of the semispinalis cervicis?

A

Cervical spine rotation

Cervical spine extension/hyperextension

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15
Q

What are the actions of the anterior cervical intertransversarii?

A

Cervical spine lateral flexion

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16
Q

What are the actions of the spinalis cervicis?

A

Extends and laterally flexes the neck at the cervical vertebral joints.

17
Q

What are the actions of the interspinales thoracis?

A

Spine extension

18
Q

What are the actions of the interspinales cervicis?

A

Cervical spine extension/hyperextension

19
Q

What are the actions of the interspinales lumborum?

A

Spine extension/hyperextension

20
Q

What are the actions of the medial lumbar intertransversarii?

A

Spine lateral flexion

21
Q

What are the actions of the lateral lumbar intertransversarii?

A

Spine lateral flexion

22
Q

What are the actions of the thoracic intertransversarii?

A

Spine lateral flexion

23
Q

What are the actions of the long rotatores?

A

Spine rotation

24
Q

What are the actions of the short rotatores?

A

Spine rotation

Regional Anatomy (Back) (2 decks)

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