Judo's international governing body is the International Judo Federation, and competitors compete in the international IJF professional circuit. While strikes and use of weapons are included in some pre-arranged forms (kata), they are not frequently trained and are illegal in judo competition or free practice. The objective of competitive judo is to throw an opponent, immobilize them with a pin, or force an opponent to submit with a joint lock or a choke. A judo practitioner is called a "judoka", and the judo uniform is called "judogi". "Kano's style of jujutsu) to differentiate it from other jujutsu schools this naming convention decreased in prominence due to the adoption of the formal name of Judo. As " jujutsu" was a Japanese term referring to this sub-type of martial arts in general, Judo was colloquially known as Kano Jujutsu or Kano Ryu (lit. Judo rose to prominence for its dominance over established jujutsu schools in tournaments hosted by the Tokyo Metropolitan Police Department (警視庁武術大会, Keishicho Bujutsu Taikai), resulting in its adoption as the department's primary martial art. free sparring) instead of " kata" (pre-arranged forms) alongside its removal of striking and weapon training elements. Judo was created in 1882 by Jigoro Kano (嘉納治五郎) as an eclectic martial art, distinguishing itself from its predecessors (primarily Tenjin Shinyo-ryu jujutsu and Kitō-ryū jujutsu) due to an emphasis on " randori" (乱取り, lit. "gentle way") is a system of unarmed combat, modern Japanese martial art and Olympic sport (since 1964).
Kyuzo Mifune (left) and Kanō Jigorō (right)