In one of our in-house tutes, I taught an upper Cx BLT/BMT technique THE HIDDEN LINK BETWEEN YOUR NECK, CSF FLOW, HEADACHES, DIZZINESS & BRAIN FOG — AND HOW WE ADDRESS IT AT theFNC Most people think of brain health as purely neurological — chemistry, neurons, neurotransmitters. But modern research is revealing something much bigger: 👉 Your neck mechanics and head movement patterns directly influence cerebrospinal fluid (CSF) flow. 👉 Your deep suboccipital muscles connect to your spinal dura through a structure called the Myodural Bridge (MDB). 👉 And impaired CSF flow may contribute to headaches, dizziness, pressure sensations, brain fog, post-concussion symptoms, and chronic autonomic problems. This is one of the most important, overlooked areas in all of neurology — and it’s something we assess and treat every single day in osteopathy private practice ⸻ 📝 WHAT THE NEW RESEARCH SHOWS A 2021 paper published in Nature Scientific Reports (s41598-021-93767-8) demonstrated something powerful: Simple head-nodding movements change CSF flow patterns in real time. Researchers used advanced cine MRI to measure CSF movement at the cranio-cervical junction. After just one minute of gentle head nodding, they found: • Significant changes in maximum and average CSF flow velocities • Measurable shifts in direction of CSF flow • Increased CSF pressure (confirmed through lumbar puncture in a separate group) • Altered cranial :left_right_arrow: caudal flow balance This means that CSF flow is not only driven by heart rate and breathing… Movement matters. Neck mechanics matter. Head posture matters. And this is where the Myodural Bridge becomes clinically important. ⸻ 🔗 THE MYODURAL BRIDGE: THE NECK–BRAIN CONNECTION NO ONE TALKS ABOUT Deep under your skull, the small suboccipital muscles attach directly to the spinal dura — the protective sheath around your brainstem and spinal cord. This connective-tissue linkage is called the Myodural Bridge. Its role? To transmit mechanical forces from your neck muscles to your dura — influencing CSF flow, pressure, and stability.