"Del Percio argues, is that the brains of athletes are more efficient, so they produce the desired result with the help of fewer neurons. Del Percio’s research suggests that the more efficient a brain, the better job it does in sports. ... but even the most genetically well-endowed prodigy clearly needs practice—-lots of it—-to develop the brain of an athlete. As soon as someone starts to practice a new sport, his brain begins to change, and the changes continue for years."

This is what physical education was supposed to be about. Unfortunately, it's turned into, at best, an incompetent teacher with a whistle shouting at kids, or, at worst, disappeared altogether. I think we, as a society, are missing out on something pretty big.