MSA2 Suboccipitals

Card Set Information

Author:
barbostick
ID:
83382
Filename:
MSA2 Suboccipitals
Updated:
2011-05-02 22:35:01
Tags:
Soma MSA2 suboccipital muscles
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Description:
Suboccipital muscles
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  1. Rectus Capitis Posterior Major
    • This muscle keeps your eyes at the horizon.
    • Origin: SP of C2 (axis)
    • Insertion: Inferior nuchal line of the occiput
    • Action: Head extension
    • Nonropy
    • Deep to several including upper traps and splenius capitis
  2. Rectus Capitis Posterior Minor
    • Origin: Tubercle of C1 (atlas), upper posterior arch
    • Insertion: Inferior nuchal line of the occiput
    • Action: Head extension
    • Nonropy
    • Deep to upper traps
  3. Oblique Capitis Superior
    • Origin: TVP of C1
    • Insertion: Between the lateral nuchal lines of the occiput (most lateral insertion)
    • Action: Head extension; ipsilateral lateral flexion of the head
    • Nonropy
    • Deep to splenius capitis
  4. Oblique Capitis Inferior
    • Origin: SP of C2
    • Insertion: TVP of C1
    • Action: Ipsilateral rotation of head
    • Nonropy
    • Deep to trap, semispinalis, and splenius capitis

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