11/29/2025
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⭐️ UNDERSTANDING THE MYODURAL BRIDGE
How an Overlooked Connection Between Your Neck, Dura & CSF Flow Can Trigger Severe Headaches —
And How We Address It at The Functional Neurology Center
Many people struggle with chronic headaches, neck pain, dizziness, pressure, visual strain, or post-concussion symptoms without realizing the root cause may lie in a powerful — but rarely discussed — anatomical structure at the base of the skull.
This structure is the Myodural Bridge (MDB).
Recent anatomical, histological, and imaging research (including Frontiers in Neuroscience, Journal of Anatomy, and multiple PMC studies) confirms that the MDB forms a direct physical connection between:
• Deep suboccipital muscles (RCP minor, RCP major, and OCI)
• The cervical spinal dura mater
• The posterior atlanto-occipital membrane and cranio-cervical junction structures
• The region responsible for cerebrospinal fluid movement and brainstem stability
This connection means that muscle tension in your upper cervical spine can literally pull on the dura, influence CSF flow mechanics, and alter pain and sensory processing in the brainstem.
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🔬 WHY THE MYODURAL BRIDGE MATTERS
(What Science Shows)
1️⃣ The MDB stabilizes the dura and prevents it from folding or buckling during movement.
Excessive tightness or asymmetry in the suboccipital muscles can create abnormal dural strain → resulting in headaches that radiate to the temples, eyes, or forehead.
2️⃣ The MDB assists cerebrospinal fluid (CSF) circulation.
Studies using pressure measurements and anatomical modeling show that the MDB acts like a small but important “pump” for CSF.
When suboccipital muscles spasm or become dysfunctional, CSF flow can be reduced or become irregular.
Patients often describe:
• pressure at the base of the skull
• brain fog
• dizziness
• headaches when bending forward
• worsening symptoms with Valsalva or position changes
This exactly matches the dysfunction we see in MDB-related cases.
3️⃣ The MDB plays a role in proprioception and cervico-ocular integration.
This connection helps coordinate:
• head and eye movement
• balance and inner-ear reflexes
• cervical spine alignment
• brainstem sensory processing
Dysfunction in the MDB often accompanies:
✔️ chronic dizziness
✔️ motion intolerance
✔️ convergence strain
✔️ vestibular mismatch
✔️ autonomic symptoms
✔️ neck instability
✔️ headaches after concussion or whiplash
4️⃣ Trauma strongly affects the MDB.
Whiplash, sports impacts, repetitive strain, poor posture, or even long-term muscle guarding can overstress the MDB, leading to chronic recurring symptoms that do NOT respond to standard care.
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🧠 OUR ADVANCED APPROACH AT THE FNC
(Addressing the MDB, CSF Flow, Upper Cervical Mechanics & Neurological Integration)
At The Functional Neurology Center, we evaluate the full brain–eye–vestibular–neck connection and design a treatment plan specific to the patient’s neurological findings.
To improve MDB function and reduce headache symptoms, we use a multi-system protocol including:
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🔵 1. Ciatrix CSF Flow Optimization Technology
Ciatrix technology allows us to influence:
• CSF circulation
• pressure gradients
• glymphatic clearance
• cervical-medullary motion
• neurovascular fluid dynamics
Many patients report:
• improved clarity
• reduced pressure
• better sleep
• less dizziness
• fewer “pressure headaches”
Ciatrix is especially effective in cases where MDB tightness is contributing to impaired CSF flow.
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🔵 2. ARPwave Direct-Current Neuromodulation
We use ARPwave to target deep cervical muscle tension and neuromuscular “protective loops” that lock the suboccipital muscles into chronic guarding.
ARPwave:
• reduces chronic muscle tone
• restores mobility
• decreases dural tension indirectly
• retrains cervical motor control
• supports neurological recovery after concussion or whiplash
The goal is to normalize the neuromuscular tone pulling on the MDB.
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🔵 3. Low-Level Laser Therapy (LLLT)
Using Erchonia Class 2 cold lasers, we support:
• tissue healing
• improved microcirculation
• anti-inflammatory signaling
• mitochondrial recovery of the deep cervical tissues
Laser therapy reduces swelling and irritation in the upper cervical region where MDB tension is most commonly found.
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🔵 4. Low-Force Upper Cervical Manual Therapies
We use precise, gentle techniques — NOT high-force manipulation — to restore proper upper-cervical biomechanics.
This helps:
• reduce strain on the MDB
• improve cranio-cervical alignment
• restore normal dural movement
• support healthy CSF flow
• reduce referral pain into head and face
Many patients describe an immediate sense of decompression or relief in the suboccipital region.
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🔵 5. PEMF (Pulsed Electromagnetic Field) Therapy
PEMF helps regulate cellular repair, inflammation, and nervous system recovery.
For MDB-related dysfunction, PEMF supports:
• tissue regeneration
• improved circulation
• reduced nociceptive firing
• relaxation of hypertonic cervical tissues
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🔵 6. Visual–Vestibular–Cervical Rehabilitation (When Needed)
Some MDB cases involve downstream effects on:
• eye movements
• balance reflexes
• vestibulo-ocular pathways
• autonomic systems
We include targeted neuro-rehab when testing shows deeper sensory-motor integration deficits.
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⭐️ WHO BENEFITS FROM OUR MDB-FOCUSED APPROACH?
Patients with:
✔️ chronic cervicogenic headaches
✔️ “pressure headaches” at the skull base
✔️ migraines with neck tension
✔️ dizziness or motion sensitivity
✔️ post-concussion syndrome
✔️ brain fog
✔️ atlas/upper cervical instability
✔️ whiplash
✔️ visual strain
✔️ difficulty tolerating head movement
✔️ headaches made worse by posture or screens
If typical migraine medication hasn’t helped — the Myodural Bridge may be the missing link.
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📞 READY TO GET HELP?
The MDB is one of the most overlooked contributors to chronic headaches, dizziness, and persistent post-concussion symptoms.
At The Functional Neurology Center, we combine cutting-edge technology with high-level neurological assessment to address the root cause — not just manage symptoms.
📍 The Functional Neurology Center – Minnetonka, MN
📞 612-223-8590
📧 info@theFNC.com
🌐 theFNC.com
The suspensive myodural bridge complex at the cisterna magna. Posterolateral illustration of the craniocervical junction with magnified sagittal and axial views. The myodural bridges are seen connecting the cisterna magna dura to the suboccipital muscles (asterisk). (Original illustration by Kendall Lane, BFA, Department of Medical Illustration, Warren Albert Medical School, Brown University).
