Japanese Martial Arts Lineage Map
A selective visual map connecting classical Jujutsu, Kodokan Judo, Aikido, Okinawan Karate, and later international grappling pathways.
Judo
Sambo
Sambo is a Soviet-developed martial art and combat sport shaped by Judo, regional wrestling traditions, and organised self-defence training.
Judo at the Asian Games
Find official Aichi-Nagoya 2026 judo results and explore Asian Games history, individual weight categories, mixed teams and the competition format.
Judo Technique Directory
Browse and search the 100 officially named Kodokan Judo techniques by classification, kata, Gokyo group, and documented promotion references.
Keito-waza
Keito-waza is an editorial learning index that connects related Judo names and variations without changing the official Kodokan classification.
Judo in Manga and Anime
Judo manga and anime have represented Japanese dojo, school clubs, competition and women’s Judo through changing genres from the postwar period onward.
Kaeshi-waza
Kaeshi-waza are Judo counter techniques that use the timing, direction or imbalance of an opponent’s attack to produce a legal response.
Renraku-waza
Renraku-waza are Judo combinations that connect attacks through the opponent’s changing posture and reaction rather than treating each technique in isolation.
Kansetsu-waza
Kansetsu-waza are the ten Kodokan joint-locking techniques, whose classical syllabus is broader than the joint locks permitted in modern IJF contests.