[Video] Swimming World Championships: Zhao Jing wins the 50m backstroke and breaks the record. First Sports CCTV5 video on-demand, April 8, 2006. Zhao Jing is a special case in the national team; her coach Shi Xiaoming said: "No swimming athlete has a smaller lung capacity than hers, so she can only make up for this congenital defect by working twice as hard." On March 11 of this year, at the Asian Championships, when Zhao Jing broke the record with a time of 2 minutes 9.58 seconds...