In landing both backside and frontside 1440s to claim the women's big air gold medal, Kokomo Murase reaped the reward of her focus on physical training in the four years since becoming Japan's youngest Winter Olympic medalist.The 21-year-old, who landed the first in-competition 1620 by a woman to win the X Games in late January, had to get her third and final run right in the final in Livigno to improve on the bronze she won four years ago in Beijing."I've managed to really develop over these past four years," the Gifu Prefecture native said. "I've spent my life dedicated to snowboarding. I…READ FULL ARTICLE