There was a very good paper on what we English call RSI and the
changes in the brain associated with it, but unfortunately I can't
remember where I saw it.  Most likely it was in the New Scientist.
In summary, when subjects developed RSI the areas of the brain used
to control movement in the affected part were found to be abnormally
mapped.  To restore the normal mapping the subjects were given simple
repeatative excersises.
The study was on individuals who developed RSI form excessive use of
a keyboard.
The significance to me is that when I began work,