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A practitioner on a mat demonstrating the final position of a backward Judo breakfall

Ukemi

Ukemi are Judo’s receiving and breakfall skills, used to manage impact, protect the head, and make progressive throwing practice possible.

Two judoka performing a paired kata on a competition mat before judges

Kata in Judo

Kata in Judo are codified forms through which partners study technical principles, formal roles, safety, history, and applications beyond free practice.

Two judoka in white judogi practising randori on a training mat

Randori

Randori is Judo’s adaptable free-practice method, where partners test timing, technique, movement, and response without treating practice as a formal contest.

Two judoka in blue and white uniforms during a throwing action

Nage-waza

Nage-waza are the throwing techniques of Judo, classified by their principal action and use of standing or sacrifice movement.

Two Judo practitioners moving through a throw on a mat

Kuzushi

Kuzushi is the Judo concept of disturbing or managing balance to create an effective opportunity for technique.

Historical photograph of students practising Jujutsu outdoors at an agricultural school

Jujutsu Terminology

A visual glossary of essential Jujutsu terminology, with Japanese spellings, simple meanings, school-specific cautions, practice roles, technique families and transmission terms.

Judo practitioners kneeling in rows on a dojo mat before training

Judo Terminology

A structured guide to the Japanese words used for Judo practice, people, equipment, techniques, scoring, and etiquette.