> This made a substantial difference in my comfort level; it's amazing how tense you are under normal conditions and how much you can relax if you know how.
That’s exactly the biggest benefit I got from fixing my posture. Being able to relax. Also fixing my deviated septum, but posture alone can compromise your breathing to that degree as well.
> As soon as I would get up out of my chair and do other activities, the symptoms would go away again.
http://www.rsi.deas.harvard.edu/mb_what_is.html
Claiming the entire problem is posture might not be the answer. We should definitely be looking more deeply into the problem and solutions.
The creator of Tcl/Tk has been dealing with RSI for over 20 years, for example:
http://web.stanford.edu/~ouster/cgi-bin/wrist.php