Have only skimmed this article but looks quite comprehensive and useful as a reminder that attributing persistent pain to structural issues can be a trap. Don't agree with his dismissal of "qi" though, as have great respect for "qi" from my experience with Tai Chi.
https://www.painscience.com/articles/structuralism.php#sec_rx (Your Back Is Not Out of Alignment)
https://www.painscience.com/articles/structuralism.php#sec_rx (Your Back Is Not Out of Alignment)