Having won five medals at the 2018 Pyeongchang Winter Paralympics, Japan's Momoka Muraoka is trading her sit ski for a race wheelchair so she can make her Summer Games debut in Tokyo following a year of challenges posed by the coronavirus pandemic.Muraoka, who won Paralympic gold in the women's sitting giant slalom in 2018, will compete in the 100-meter T54 class at the Tokyo Games, hoping to provide the same kind of excitement she did in Pyeongchang where she won half of Japan's 10 medals."I know the task is big, but I want to build my power and do my best," she said in June after she was …READ FULL ARTICLE