Dan (rank) highest level that might be attained, with instructor certification and judge/judgment authorization being understood as higher-level or more sophisticated. Many arts use between one and ten dan ranks: In some martial arts, black belts are worn for all "dan" grades. In others, the highest grade (10th "dan") wears a red colored belt. In Jūdo and Shotokan 6th to 8th "dan" may wear a red and white-patterned belt and 9th to 10th "dan" may wear a solid red belt. There is some variation even within styles. Generally, belts do not have markings that indicate the actual "dan" grade. Okinawan styles used
Judo in Brazil Judo at the 2012 Summer Games, signifying the continued vitality of the martial art in Brazil. Mitsuyo Maeda introduced Judo to Brazil in November of 1914. Maeda was a member of the Kodokan, and one of five of Judo’s top groundwork experts. Judo founder, Kanō Jigorō sent Maeda as something of an ambassador to broaden Judo practice on a worldwide level. Maeda introduced Judo, (designated ‘Kano Jiu-Jitsu’ in that period) to Carlos Gracie, the first of several in his family that would take up the sport and eventually mold it into Brazilian Jiu-Jitsu, sometimes referred to as Gracie Jiu-Jitsu. After