C1–C3
C1–C3: Upper Cervical
Where the brainstem meets the spine
The most influential region of the entire spine. Houses the vagus nerve, brainstem, and cerebellum — the structures that govern autonomic regulation, balance, sensory integration, and immune function. Issues here ripple through the entire body.
Primary Functions
What this region controls
- Autonomic Nervous System
- ENT System
- Vision, Balance & Coordination
- Speech
- Immune System
- Digestive System
Anatomy
Tissues, organs, and glands
- Vagus Nerve
- Brainstem
- Cerebellum
- Inner / Middle Ear
- Sinuses
- Pituitary Gland
- Face, Jaw & Teeth
- Eyes
Common Presentations We See
What patients with C1–C3 involvement often report
These are common presentations the team has seen over years of care — patterns, not promises. Each case is individual, and care plans are personalized to what your nervous system is showing us.
Body Systems This Region Influences
Each case is individual. Care plans at The Roots are personalized — there's no cookie-cutter approach. The information on this page describes traditional chiropractic philosophy and patterns commonly seen in our office; it's educational, not medical advice. Always consult a medical doctor for serious health concerns. Chiropractic care complements primary medical care, never replaces it.
Curious if this region is part of your story?
Start with a complimentary consultation + neurological evaluation. We map your nervous system in person and walk you through what we find.