China's Lu Pinpin competes during the obstacle run of the women's military pentathlon at the 7th CISM Military World Games in Wuhan on October 20, 2019. [Photo/Xinhua]
"Ordinary people can do similar exercises by reducing the size of obstacles," said Xu Hao, a researcher at the Jiangsu Research Institute of Sports Science, adding that the five-meter ladder, for example, is not recommended without protection.
