Description
The fibers of this muscle skips C1 as it runs from C2 to the occiput, lateral to the [1]
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Origin
Tip of the spinous process of the axis (C2).[2]
Insertion
Lateral aspect of the inferior nuchal line of the occiput,[2] as well as to the bone inferior to this line.[1]
Nerve Supply
Suboccipital nerve or dorsal ramus of cervical spinal nerve (C1).[2]
Blood Supply
Vertebral artery and the deep descending branch of the occipital artery.[2]
Action
Ipsilateral rotation of the atlantoaxial joint.[3]
Function
Likely a postural muscle that monitors the position of the head.[2]
Trigger Point Referral Pattern[1]
References
- ↑ 1.01.11.2 Travell JG, Simons DG, Simons LS (1998). Travell and Simons’ Myofascial Pain and Dysfunction: The Trigger Point Manual, Volume 1: Upper Half of Body (2nd ed). Baltimore, MD: Williams & Wilkins.
- ↑ 2.02.12.22.32.4 ↑ Agur AMR, Dalley AF (2012). Grant’s Atlas of Anatomy (13th ed). Philadelphia, PA: Lippincott Williams & Wilkins.
