5/24 suboccipital muscles Flashcards

1
Q

obliquus capitis inferior

A

O
-SP C2

IS
-C1

I
-C1 pr= suboccipital nerve

A

  • bilaterally extends head
  • unilaterally, rotates head to same side
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2
Q

obliquus capitis superior

A

O
-TP C1

IS

  • btw sup and inferior nuchal line
  • above rcpm

I
-C1

A

  • bilaterally extend head
  • unilaterally tilts head to same side, rotates opposite side
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3
Q

rectus capitis posterior major

A

O
-SP C2

IS
-lateral half of inferior nuchal line

I
-suboccipital nerve

Action

  • bilaterally extend head
  • unilaterally rotate head to same side
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4
Q

rectus capitis posterioor minor

A

O
-TP C2

IS
- medial third of infeior nuchal line

I
-suboccipital nerve

A
- same as rectus capitis posterior major

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