08/11/2026
“What did we do wrong?"
That's the question I hear most often from a parent after a scoliosis diagnosis. The honest answer, for most patients, is nothing.
Roughly 80% of scoliosis cases have no identifiable single cause. That's not a research gap waiting to be closed. It's the current, accepted classification, and it has a name: idiopathic.
Idiopathic gets misread as "we have no idea." A more accurate translation is that the initiating cause isn't identifiable in a given patient, but the mechanical pattern the curve produces once it exists is consistent and measurable. It loads the spine asymmetrically. It tends to progress fastest during growth spurts. And it produces compensatory changes elsewhere in the spine, including the cervical region, that standard evaluation doesn't always capture.
There are four recognized classifications, not one undifferentiated "scoliosis": idiopathic, congenital, neuromuscular, and degenerative. Each has a different mechanism and a different treatment conversation. Congenital and neuromuscular curves are usually managed alongside the condition driving them. Idiopathic scoliosis, particularly the adolescent form, is where non-surgical structural approaches have the clearest evidence base and the widest window of opportunity.
Worth saying plainly, because it drives a lot of unnecessary parent anxiety: backpacks, posture, phone use, and sports do not cause structural scoliosis. They can make an existing curve more noticeable. Conflating "aggravates" with "causes" sends families looking for solutions to the wrong problem.
Full breakdown of all four classifications, plus what the genetic research does and doesn't currently show, on the blog. Link in comments. 👇