This great article by Ayana Lage explains how ineffective and even discouraging telling a depressed person to exercise is. I contend that this applies to chronic pain patients, as well. Give the article a read and let me know what you think. https://www.bustle.com/p/one-hour-of-exercise-a-week-can-help-with-depression-but-heres-why-thats-hard-for-people-with-depression-to-do-2942783/amp
I was fortunate to come across this very insightful Canadian blogger, k.g. Sambrano. Sambrano offers a view from the North devoid of US biases. Take a few minutes to read this common sense approach. https://acrossthewall.ca/2017/10/25/take-a-knee-what-does-trumps-presidency-really-stand-for/#more-848