Japanese officials failed to notice his leg had been broken below knee in practice . The 54-year-old office worker was out on his motorcycle with a group of friends in the city of Hamamatsu , west of Tokyo , on Monday , when he was unable to negotiate a curve in the road and bumped into the central barrier , the Mainichi Shimbun said . He hit a safety fence , and rode on for 2 km ( 1.2 mi ) A doctor picked up the missing limb which had been crushed in the collision .
Japanese officials failed to notice his leg had been broken below knee in practice . He hit a safety fence , and rode on for 2 km ( 1.2 mi ) A doctor picked up the missing limb which had been crushed in the collision .