With the coronavirus forcing people to stay cooped up at home, often with young children bouncing off the walls, the need for ways to stay fit and active has never been stronger.In Japan, sales of mini-trampolines at stores and online have risen rapidly in the weeks since stay at home recommendations forced more people indoors, surprising manufacturers and sellers."Sales have been going up since late February," a supplier said.Haruka Hirota, a two-time Olympian in gymnastics' trampoline discipline, has been sharing workout videos on social media and advocating her sport's recreational and h…READ FULL ARTICLE