Muscles of Suboccipital region Flashcards

1
Q

Rectus Capitis Posterior major

A

O: C2 (spinous processes0
I: Occipital bone (inferior nuchal line, middle third)
N: C1 (posterior ramus - suboccipital n.)
A: Bilateral: Extends head
Unilateral: Rotates head to same side

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2
Q

Rectus Capitis posterior minor

A

O: C1 (posterior tubercle)
I: Occipital bone (inferior nuchal line, inner third)
N: C1 (posterior ramus - suboccipital n.)
A: Bilateral: Extends head
Unilateral: Rotates head to same side

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3
Q

Obliquus capitis superior

A

O: C1 (transverse process)
I: Occipital bone (inferior nuchal line, middle third, above rectus capitis posterior major)
N: C1 (posterior ramus-suboccipital n.)
A: Bilateral: Extends head
Unilateral: Tilts head to same side, rotates to opposite side

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4
Q

Obliquus capitis inferior

A
O: C2 (spinous process)
I: C1 (transverse process)
N: C1 (posterior ramus - suboccipital n)
A: Bilateral: Extends head
    Unilateral: Rotates head to same side
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