The goal of any waterman or woman is to surf, paddle or row as often as they can, as well as they can, for the rest of their life. The trouble is that few understand how to get the most from their body and when they can't, what to do about it outside of the usual layoffs, surgeries and cortisone injections. As one veteran paddler recently put it: "Ibuprofen is my second religion." There is a better way. Using insights gleaned from his...