A system and method for evaluating an activity includes an article of clothing provided with a sensor capable of detecting the impact of the article of clothing, such as a shoe, on a surface. A system receives and interprets the pattern of impacts made during the performance of the activity. The system...http://www.google.com/patents/US20080258921?utm_source=gb-gplus-sharePatent US20080258921 - Footwork Training System and Method
