Everything your brain sends to your body, and everything your body sends back, funnels through a space you could cover with two fingers. Blood in, spinal fluid circulating, every nerve signal for sight, hearing, balance, taste, touch. The craniocervical junction handles all of it at once, and most of the traffic runs without you knowing a thing about it. Chris Chapman's video is about an old anatomical rule that explains why this particular space forgives so little.
What is Steele's law, in plain terms?
An anatomist named Steele measured the space inside the atlas and found it splits into thirds: bone, cord, and room to spare. That last third is why you can nod and shake your head all day without injuring your spinal cord. It's also a hard ceiling. Once that space is gone, there is nowhere else for anything to go. When misalignment eats into the free space, the structures inside don't relocate; they compress, and the symptoms fan out in whatever direction the compromised wiring serves. This is why craniocervical patients arrive with symptom lists too varied to fit any single diagnosis: headaches plus dizziness plus blood pressure swings plus wrecked sleep. Our piece on craniocervical MRI shows how we actually visualize that space in a living patient.
Why correct it gently instead of surgically?
Because gentleness is available. Chris's argument is persuasive once you consider the alternatives a suffering patient faces: indefinite symptom management on one side, high-stakes surgery near the brain stem on the other. Between them sits a measured, low-force repositioning, no incision, no artery put at hazard, and serious adverse events in properly performed upper cervical work are very rare in the published record. He lists what he's watched change after corrections in this area: blood pressure, sleep, immune function, whole constellations of complaints tied to brain stem function. Before anything drastic, and before resigning yourself to forever, it costs little to have this one region measured by someone trained to measure it.
Who is Chris Chapman?
Dr. Chris Chapman, DC, BCAO, DCCJP, practices at The Lift Clinic in Salt Lake City, Utah. His office answers at (801) 996-7076.