I encourage you to click on this blog title to read HTCwP's article.
There is no doubt that brain retraining, which taps into the new understanding of the plasticity of the brain, can make a huge difference to people who have chronic pain. It needs to be remembered that although these techniques can ease or stop pain, pain can recur due to re injury or another event. Stopping the pain is just part of the solution. People in chronic pain have altered posture, protecting behaviours which alter posture, altered posture due to inability to use or move one part of the body properly. Once pain is lessened, the issue of getting fitter/stronger to avoid re-injuring needs addressing.