Judo was founded by Professor Jigoro Kano in February 1882, and three months later the Kodokan (the international headquarters of Judo) was established in Japan. This makes Judo one of the world’s first organized martial arts. Judo is based on a single, all-pervasive underlying principle: to make the most efficient use of energy.
Judo employs a combination of throwing techniques (Nage-waza) and grappling techniques (Katame-waza), and emphasizes the three elements of an efficient judo technique: