Sarno's program completely cured my RSI. My highly-regarded surgeon was ready to operate for cubital tunnel, which had been getting progressively worse for about 2 years. I was to the point that I would feel pain all the time while typing, and had some tingling/numbness. I was concerned about surgery, so I decided to try some alternatives first, and the stuff from Sarno was amazing. It was scary as hell to just tell myself that the pain wasn't real, and that I wasn't hurting myself, but I figured it was worth a shot.

It's been 10 years since then. I now have zero problems, no special exercises, no ergonomic keyboards, chairs, desks, etc. I also regularly play ARPGs like Diablo 3 and Path of Exile, which make most people with RSI cringe.

I agree that Sarno's framework is not perfect. I'm not sure I buy his explanations as to why it works, but it does work. The key is that there is a huge mental component to RSI (or, at least, to some cases of RSI) that most people don't acknowledge. The monitoring/worrying about damaging yourself does something to those muscles/tendons that builds up over time.