Sailing as Stroke Rehabilitation Strategy

I'm sure this will never occur. But it would make for fantastic balance training. I would volunteer for such a research study. It would be even better with no safety harness because that would require you to pay attention.
http://books.google.com/books?hl=en&lr=&id=woRYBAAAQBAJ&oi=fnd&pg=PA86&ots=Q8TT0FB3wi&sig=BMPfxPf9S3D5QR5lPFHrfg7S1SA#v=onepage&q&f=false