Obliquus capitis superior muscle
Obliquus capitis superior muscle is a small muscle in the upper back part of the neck and is one of the suboccipital muscles and part of the suboccipital triangle.
origin:
Lateral mass of atlas.
Insertion :
Lateral half of the inferior nuchal line
Nerve:
Suboccipital nerve.
Actions:
Extends head and flex head to the ipsilateral side.