Obliquus Capitis Superior Muscle
Rectus Capitis Posterior Major
a. Spinous process of the axis vertebra (C2).
a. Lateral portion of inferior nuchal line of occipital bone.
Actions of the Rectus Capitis Posterior Major:
a. Bilaterally extends the head.
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b. Unilaterally rotates head to same side (ipsilateral rotation).
Nerve to the Rectus Capitis Posterior Major Mucle:
a. Suboccipital nerve or posterior (dorsal) primary ramus of C1.