Accurate simulation of sport to quantify and train performance constructs by employing sensing electronics for determining, in essentially real time, the player's three dimensional positional changes in three or more degrees of freedom (three dimensions); and computer controlled sport specific cuing...http://www.google.com/patents/US6876496?utm_source=gb-gplus-sharePatent US6876496 - System and method for tracking and assessing movement skills in multidimensional space
