This analyzes everything about it philosophically and scientifically - in the American way of using the mind to figure everything out and to not just rely on tradition and authority.
To my knowledge, the American take on the sport is best described in " Judo Unleashed" by Ohlenkamp. This analyzes everything about it philosophically and scientifically - in the American way of using the mind to figure everything out and to not just rely on tradition and authority.