Kodokan Judo Judo means “gentle way»,IT is unarmed martial art, individual and competitive sport game Its objectives are for self-defense, combat, spiritual, physical and mental education, health and fitness, beside using flexibility, intelligence and strength is It timing created by rather a than Japanese teacher, Jigoro Kano, in 1882 Judoka is the person who practices Judo on a square mat (Tatami) with the dimensions 14 x 14 meters The match takes place in x meters to 10 x 10 meters zone within this larger area The surrounding space acts as a safety area S/he wears Judogi which is first created in 1907 and it is made up of jacket, belt and trousers; one Judoka wears a white Judogi while the other wears a blue one Jigoro Kano created a rank (Level) system, in 1883, for this sport which identifies the degree of a student by a colored belt This system is separated into Kyu and Dan grades The later has 10 grades but the former has grades In addition, this rank system of belt is mostly used for all the martial arts sport Edited by Mr Djamel Eddine Chedni Kodokan Judo Judokas are classified into seven (07) weight classes which differ from men to women They are Heavyweight ( Man +100 kg/ women+78 kg); Half Heavyweight (M 90100 kg/W 70-78 kg); Middleweight (M 81-90 kg/W 63-70 kg); Half Middleweight(M 73-81 kg/W 57-63 kg) ; Lightweight(M 66-73 kg/W 52-57 kg); Half Lightweight(M 60-66 kg/W 48-52 kg); Extra Lightweight ( M-60 kg/W -48 kg) This sport characterizes of using holding and throwing techniques rather than hitting, kicking or punching an adversary Edited by Mr Djamel Eddine Chedni