Rectus Capitis Posterior Major
Original Editor - Evan Thomas
Lead Editors - Evan Thomas, Vidya Acharya, Tarina van der Stockt, WikiSysop and Kim Jackson
Description[edit | edit source]
The fibers of this muscle skips C1 as it runs from C2 to the occiput, lateral to the rectus capitis posterior minor. It is also known as the Greater Posterior Rectus Capitis, and comprises the posterosuperior boarder of the suboccipital triangle.
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Proximal Attachment (Origin)[edit | edit source]
Tip of the spinous process of the axis (C2).
Distal Attachment (Insertion)[edit | edit source]
Lateral aspect of the inferior nuchal line of the occiput, as well as to the bone inferior to this line.
Nerve Supply[edit | edit source]
Suboccipital nerve or dorsal ramus of cervical spinal nerve (C1).
Blood Supply[edit | edit source]
Vertebral artery and the deep descending branch of the occipital artery.
Action[edit | edit source]
Ipsilateral rotation of the atlantoaxial joint.
Function[edit | edit source]
Likely a postural muscle that monitors the position of the head.
Trigger Point Referral Pattern[edit | edit source]
Recent Related Research (from Pubmed)[edit | edit source]
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