Jujutsu

Jujutsu (ג'יו ג'יטסו) is a special skill in Japanese martial arts that deals with grappling, throws and armlocks.

Recently Jujutsu has been used as the name of a complete martial art and not in its original meaning: specification inside an existing martial art.

Brazillian Jiu Jitsu is a Martial Sport that specializes in armlocks and strangulation techniques done on the ground.