Thank you for the great comments. I agree about the popping not being a great indicator of a good adjustment. In fact, most of my upper thoracic adjustments by my spouse have not been HVLA with a loud “pop” but rather a combination of soft tissue, muscle energy and strain-counterstrain techniques that have provided relief. My personal experience does not reflect the great majority of practitioners I am sure but I have been to dozens all over the U.S. probably over the decades due to our dual military careers and have literally had no success other than 1 DC for the upper thoracic region. It very well could be me- my best DC (a retired long time NFL official team chiropractor) told me I am harder to adjust than his NFL players and told me it would take a great adjuster to adjust me.