In this episode of CCI Deep Dive, Dr. Centeno unpacks the anatomy and meaning of a retroflexed dens—a common but often misunderstood MRI finding at the top of the neck. Learn why this structural variation is usually harmless, how it can become problematic when paired with craniocervical instability, and how advanced nonsurgical treatments like the PICL and ePIC procedures use your body’s own cells to restore stability. A clear, practical breakdown for anyone navigating complex CCI repor...

Still struggling with “post-concussion” symptoms that never seem to go away? In this CCI Deep Dive episode from the Centeno-Schultz Clinic, Dr. Centeno breaks down five simple ways to tell if your lingering headaches, dizziness, and brain fog are really coming from your neck—not your brain. Learn how motion, traction, palpation, treatment response, and imaging can reveal upper-neck instability as the hidden cause behind concussion-like symptoms. Tune in for practical, doctor-backed insights y...

Dr. Centeno reviews why social media posts touting "upper cervical injections" can be dangerous and how to avoid that danger. https://youtube.com/live/i-a1djjgBHA There was a problem with the slides not advancing, so here's another version of this talk: https://youtu.be/pOMQmdkdUDk

Dr. Centeno dives into why Chiari malformation symptoms aren’t just about brain structure. This episode reveals how craniocervical instability (CCI) and tiny muscle or nerve issues often drive symptoms—and why surgery isn’t always the answer. Learn how regenerative treatments like the PICL procedure can restore stability and help patients heal without invasive intervention.

Dr. Centeno reviews the CXA measurement and the fact that it's a dynamic concept and what numbers are concerning, and which CXAs are probably not important. https://youtube.com/live/Hr4UoHDBfgk

Dr. Centeno interviews Todd Ball on using postural-based rehab to recover from craniocervical instability (CCI). https://youtube.com/live/31Vkj1S0kUI

Dr. Centeno discusses ways to tell if you have Eagle syndrome or craniocervical instability. https://youtube.com/live/0dGpUUKy1iI

Dr. Centeno discusses how headache patients can tell if they have a migraine or craniocervical instability (CCI)? https://youtube.com/live/VkBM-rqxWoQ

Dr. Centeno reviews the differences between a CSF leak and CCI or craniocervical instability and provides simple tests to determine which diagnostic category makes the most sense for you. Full Video: https://youtube.com/live/xhf10PDGkmM

Dr. Centeno discusses rehab and recovery from CCI or craniocervical instability. He reviews how this should be done for every level of functional disability. Join CCI Communities: PICL SubReddit: https://www.reddit.com/r/PICL/?rdt=58942 PICL Facebook Group: https://www.facebook.com/groups/ccjpicl/ Full Video: https://youtube.com/live/jql1i1E5dhU

Dr. Centeno discusses what we know about the effect of fluoroquinolone or "quinolone" antibiotics on ligaments. https://youtube.com/live/DfALpFIplYQ

Dr. Centeno reviews five things you can do at home to self-manage carniocervical instability or CCI symptoms. Helpful Links: CCI Exercises: https://centenoschultz.com/cci-exercises/ AO Chiropractors: https://atlasorthogonality.com/doctors-directory/ NUCCA: https://nucca.org/directory/ https://youtube.com/live/vdfCtVix_mw

Dr. Centeno discusses the crossover between concussion and upper neck symptoms. https://youtube.com/live/4UdlQ_pGquI

Dr. Centeno discusses patient testimonials for the PICL procedure used to treat craniocervical instability (CCI) patients. https://youtube.com/live/p2K-bVZzvok

Dr. Centeno discusses the equipment, experience, and knowledge needed to perform a safe ePICL and C0-C1 facet procedure. https://youtube.com/live/JJ4V7TR-NFU

Dr. Centeno discusses why a thorough hands-on exam is needed to define the areas requiring treatment in a CCI patient. https://youtube.com/live/6CDHPUYC_JY

Dr. Centeno discusses styloidectomy, C1 shaving (decompression), and Chiari surgery and why each procedure removes critical parts that stabilize the head on the neck. https://youtube.com/live/I_YhZJsi-bg

An Interview with an Upper Cervical Chiropractic Expert: Julie Hunt Dr. Centeno interviews Julie Hunt, D.C., a second-generation upper cervical chiropractor, about the different types of upper cervical chiropractic and how they can interface with craniocervical instability (CCI). https://youtube.com/live/-eMyAuKDCWI

Dr. Centeno reviews an online quiz to help patients determine if they may have symptomatic craniocervical instability (CCI). https://youtube.com/live/ikJ7YAXgB70

Dr. Centeno reviews his imaging criteria to determine if a patient has craniocervical instability or CCI. https://youtube.com/live/JdUj52RbKBc