Judo; is a grappling system and has been included as a sport in the Olympic Games since 1964. Judo evolved out of the deadly art of jujitsu and has been described as a method of throwing, choking, joint-locking and holding down a bigger, stronger opponent without causing him serious harm Once practitioners obtain an advanced rank, they are taught deadly, non-sportive techniques for use in self-defense. Judo is one of the most complete grappling sports and contains a superior number of techniques.