Thyroid and Cricoid Cartilages of the Larynx
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Rectus Capitis Posterior Minor Muscle
Rectus Capitis Posterior Minor Muscle
Attachments of the Rectus Capitis Posterior Minor Muscle
Origin
a. Posterior tubercle (arch) of C1.
Insertion
a. Medial portion of inferior nuchal line of occipital bone.
Actions of the Rectus Capitis Posterior Minor Muscle:
a. A connective tissue bridge to the spinal dura helps control infolding movements of the dura.
b. Numerous spindle fibers help with proprioception and balance.
c. Extends the head at the neck.
Nerve to the Rectus Capitis Posterior Minor Muscle
a. Suboccipital nerve or posterior (dorsal) primary ramus of C1.