Judo meaning "gentle way" is a modern martial art, combat and Olympic sport created in Japan in 1882 by Jigoro Kano . Its defining element is its competitiveness, where the objective is to either throw an opponent to the ground, immobilize and pin an opponent on the ground , or force an opponent to submit with a joint lock or a choke. Strikes and thrusts by hands and feet as well as weapons defenses are a part of judo, but only in pre-arranged forms called kata and are not allowed in judo competition or free practice.
The philosophy developed for judo became the model for other modern Japanese martial.These philosophies were developed from traditional and ancient ju jitsu schools.. The worldwide spread of judo has led to the development of a number of offshoots such as Sambo and Brazilian jiu-jitsu. Judo practitioners are called judoka.