Brazillian Ju Jitsu: the concept that a smaller, weaker person can successfully defend against a bigger, stronger assailant by using proper technique including leverage
Judo: A form of Ju Jutsu involving throws, pins and submissions
Aikido: A form of ju jutsu involving joint locks and throws
Aikido: The art of using an opponent’s energy against themselves
A form of Ju Jutsu involving takedowns, ground control and submissions