Suboccipital Muscles Flashcards by Darcy Ojeda | Brainscape

Q

Rectus Capitis Posterior Minor

Origin

A

Posterior Tubercle of C1

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Q

Rectus Capitis Posterior Minor

Insertion

A

Inferior nuchal line (medial portion)

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Q

Rectus Capitis Posterior Minor

Innervation

A

Suboccipital nerve (C1 dorsal ramus)

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Q

Rectus Capitis Posterior Minor

Action

A

Head: Extension

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Q

Rectus Capitis Posterior Major

Origin

A

SP C2

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Q

Rectus Capitis Posterior Major

Insertion

A

Inferior nuchal line (lateral portion)

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Q

Rectus Capitis Posterior Major

Innervation

A

Suboccipital nerve (C1 dorsal ramus)

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Q

Rectus Capitis Posterior Major

Action

A

Bilateral: Head extension
Unilateral: ipsilateral rotation

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Q

Obliquus Capitis Inferior

Origin

A

SP C2

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Q

Obliquus Capitis Inferior

Insertion

A

TP C1

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Q

Obliquus Capitis Inferior

Innveration

A

Suboccipital nerve (C1 dorsal ramus)

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Q

Obliquus Capitis Inferior

Action

A

Spine: ipsilateral rotation

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Q

Obliquus Capitis Superior

Origin

A

TP C1

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Q

Obliquus Capitis Superior

Insertion

A

Between superior and inferior nuchal lines

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Q

Obliquus Capitis Superior

Innervation

A

Suboccipital nerve (C1 dorsal ramus)

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Q

Obliquus Capitis Superior

Action

A

Bilateral: Head extension
Unilateral: Ipsilateral lateral flexion of head