Sumo Wrestling in Sumo Wrestling. Sumo wrestling was the first recognized martial art, originating in Japan as long ago as 23BC. It incorporates ceremonial rituals as well as wrestling, and is the national sport of Japan. The average weight of a sumo wrestler is 280lb with an average height of 6ft.
a style of wrestling (= a fighting sport) originally from Japan, in which each man tries to defeat the other either by pushing him outside of a special ring or by forcing him to touch the ground with a part of his body other than the bottom part of the foot
