Spry Juncture, LLC
How to Evolve Gracefully
Rectus Capitis Posterior Minor
Region
Origin & Insertion
['Origin: Posterior tubercle of C1', 'Insertion: Medial inferior nuchal line of occipital bone']
Synergistic Muscles
['Rectus capitis posterior major', 'Semispinalis capitis']
Joints
['Atlanto-occipital joint']
Primary Actions
['Extension of head']
Nerve & Spinal Segment
Suboccipital nerve (C1 dorsal ramus)
No plexus; C1 dorsal root
Interesting
Connects to dura mater via myodural bridge. [Gray's Anatomy]
Reversal of Action
Subtle lift of cervical spine from cranial anchor
Common Dysfunctions
Eye strain, headache behind the eyes, neck-tension headache
How to Stretch
Chin tuck with posterior glide.
Trigger Points
How to Strengthen
Gentle nodding against resistance.
Concentric Action
Assist in head extension
Applications:
Deep stabilizer for posture and headache relief
Eccentric Action
Control gentle head nod forward
Isotonic Action
Nodding while supine with light pressure
Related Conditions
['Cervicogenic headaches', 'Dural tension']
Isometric Action
Cranio-cervical stabilization holds
Exercise Ideas
['Cranio-cervical flexion', 'Posterior glides', 'Isometric head holds']