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{{short description|Free-style practice in Japanese martial arts}}
{{Refimprove|date=December 2009}}
{{Infobox martial art term
| pic =
| kanji = 乱取り
| hiragana = らんどり
| revhep = randori
}}
{{Nihongo|'''Randori'''|乱取り}} is a term used in [[Japanese martial arts]] to describe free-style practice (sparring). The term denotes an exercise in 取り ''tori'', applying technique to a random ([[:wikt:乱| 乱 ''ran'']]) succession of ''uke'' attacks. 

The actual connotation of ''randori'' depends on the martial art it is used in. In [[judo]], [[jujutsu]], and [[Shodokan aikido]], among others, it most often refers to one-on-one sparring where partners attempt to resist and counter each other's techniques. In other styles of [[aikido]], in particular [[Aikikai]], it refers to a form of practice in which a designated aikidoka defends against multiple attackers in quick succession without knowing how they will attack or in what order.

==In Japan==
The term is used in aikido, judo, and Brazilian jiu-jitsu [[dojos]] outside Japan. In Japan, this form of practice is called {{Nihongo|''taninzu-gake''|多人数掛け}}, which literally means multiple attackers.

==In judo==
The term was described by Jigoro Kano, the founder of judo, in a speech at the 1932 Los Angeles Olympic Games: "Randori, meaning "free exercise", is practiced under conditions of actual contest. It includes throwing, choking, holding the opponent down, and bending or twisting of the arms. The two combatants may use whatever methods they like provided they do not hurt each other and obey the rules of judo concerning etiquette, which are essential to its proper working."<ref>Original text of this speech available at The Judo Information Site at http://judoinfo.com/kano1.htm</ref>

There are 2 types of randori.<ref>{{cite book|url=https://books.google.com/books?id=AWflu-BBjxcC&dq=Randori&pg=PA25|title=Black Belt Judo|first=Neil|last=Ohlenkamp|date=16 May 2018|publisher=New Holland|isbn=9781845371098|via=Google Books}}</ref><ref>{{cite book|url=https://books.google.com/books?id=o3YrDwAAQBAJ&dq=Randori&pg=PT27|title=Judo: Seven Steps to Black Belt (An Introductory Guide for Beginners)|first=Rodolfo|last=Tello|date=1 August 2016|publisher=Amakella Publishing|isbn=9781633870086|via=Google Books}}</ref>

==In aikido==
Most commonly, one or more attackers rush toward tori and try to grab both elbows. The tori's goal is to perform quick [[tai sabaki]] and avoid hurting the attackers as much as possible. Therefore, the tori does not punch, but rather tries to avoid the attacks or to throw the attackers. In some aikido styles, the attack is free, and so are the techniques applied, as long as they follow the principles of aikido.

==In karate==
Although in [[karate]] the word ''[[kumite]]'' is usually reserved for sparring, some schools also employ the term ''randori'' with regard to "mock-combat" in which both karateka move with speed, parrying and attacking with all four limbs (including knees and elbows). In these schools, the distinction between randori and ''kumite'' is that in randori, the action is uninterrupted when a successful technique is applied. (Also known as ju kumite or soft sparring.)

==In ninjutsu==
Randori is also practiced in [[Bujinkan]] [[ninjutsu]] and usually represented to the practitioner when he reaches the "Shodan" level. In ninjutsu, randori puts the practitioner in a position where he is armed or unarmed and is attacked by multiple attackers.

==See also==
* [[Kata]]
* [[Sparring]]
* [[Randori-no-kata]]

==References==
{{Reflist}}

==External links==
* [http://judoinfo.com Judo Information Site]
* [[YouTube]]: [https://www.youtube.com/watch?v=fH6HtkySiCQ Randori In Tenshin Aikido]

{{Japanese martial arts}}
{{Martial arts}}

[[Category:Aikido]]
[[Category:Japanese martial arts]]
[[Category:Japanese martial arts terminology]]
[[Category:Judo]]
[[Category:Mock combat]]
[[Category:Training]]