Khela Narodno rvanje Gatta Gusthi Karakucak Schwingen Shuai Jiao Pehlwani Ristynės Ssireum Ringen Pelivan Bokh Gouren Barróg Glima Naban Dumog Alysh Khridoli Chidaoba Kurash Khuresh Tegumi Kene Malakhra Inbuan Mukna Vajra-mushti Huka-huka Lucha libre Coreeda Jujutsu Brazilian jiu-jitsu 10th Planet Jiu-Jitsu Guerrilla Jiu-Jitsu Hakko-ryu Kitō-ryū Sekiguchi-ryu Shindō Yōshin-ryū Kukishin-ryū Judo Kodokan Judo Kosen Judo Luta Livre Esportiva Sport Sambo Sumo Chin Na Hybrid Mixed martial arts Jujutsu German Ju-Jitsu Atemi Ju-Jitsu Danzan-ryu Ju-Jitsu Hokutoryu Ju-Jutsu Small Circle JuJitsu Budoshin Ju-Jitsu Dait%C5%8D-ry%C5%AB Aiki-j%C5%ABjutsu Gyokushin-ryū Ju-Jitsu Kyushin-ryu Ju-Jitsu Shinden Futo-ryu Ju-Jitsu Wushu Southern Praying Mantis Kung Fu Crane Kung Fu Sanda Sanshou Wing Chun Choy Li Fut Eagle Claw Taekkyeon Hybrid Taekwondo Han Moo Do Han Mu Do Teukgong Moosoool Yongmudo Pankration Ano Pankration Kato Pankration Shootfighting Gaidojutsu Kajukenbo Vale tudo Luta Livre Combat sambo Kudo Taijutsu Atemi Judo ARB Yaw-Yan Kickboxing Ancient Bare-Knuckle Boxing Muay Chaiya Musti-yuddha Malla-yuddha Combat Hopak Shootboxing Real Aikido Aikido Hapkido Angampora Unifight American Kenpo Shorinji Kempo Armed Bladed weapons Academic fencing Fechtschule Fencing Historical European martial arts Historical medieval battles Kendo Stick-fighting Bâton français Quarterstaff Singlestick Hastilude Arnis Competitive jousting Shooting sports Airsoft Paintball Techniques The techniques used can be categorized into three domains: striking, grappling, and weapon usage, with some hybrid rule-sets combining striking and grappling. In combat sports the use of these various techniques are highly regulated to minimize permanent or severe physical damage to each participant though means of organized officiating by a single or multiple referees that can distribute penalties or interrupt the actions of the competitors during the competition. In weapon based sports, the weapons used are made to be non-lethal by means of modifying the striking portions of the weapon and requiring participants to wear protective clothing/armor. Olympics Amateur boxing (1904-2020): Boxing has been staged at every summer Olympic games since 1904 except Stockholm in 1912 due to Swedish law. Judo (1964, 1972-2020): Judo was not included in the 1968 Mexico City summer Olympics. Women's judo was added to the Olympics in 1992 in Barcelona. Taekwondo (1988 Seoul Games as demonstration sport, 2000-2020): Became an official medal sport at the 2000 Sydney Olympic Games. Wrestling Greco-Roman (1908-2020): The first form of wrestling to be held at the Olympic Games. Wrestling Freestyle (1920-2020): Was modified at the 2000 Sydney Games and reduced the amount of weight categories provided. Pankration and singlestick are two other forms of combat sports that have been