Uke is the attacker. The word literally means „the receiving one“.
Ukemi is the reaction of uke to a technique, especially in the sense of rolling or falling. The word literally means "receiving".
Mae-ukemi, Uke, Ushiro-ukemi
Entry in the back of uke at the beginning of a technique.
Rolling or falling backwards.
Generic name for all attacks from behind. Uke steps into the back of tori, e.g. in order to choke him from behind.
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