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
Paralympic Judo Paralympic Judo Paralympic judo is an adaptation of the Japanese martial art of judo for visually impaired competitors. The rules of the sport are only slightly different from regular judo competitions. It has been part of the Summer Paralympics program since 1988 for men and 2004 for women. Paralympic judo competition is governed by the International Judo Federation (IJF) rules with some modifications specified by the International Blind Sports Association (IBSA). The major rule difference is that contests always start with the 2 competitors in a loose grip on each other's Judo suits (grip called "Kumikata") and if contact is