As Japan entered the 1960s, everything seemed to be in motion. Construction swept through Tokyo as the city prepared to host its first Olympic Games. The TÅkaidÅ Shinkansen, the original bullet train, sped along the southern coast of Honshu. More cars filled the roads. The only thing not moving, it seemed, were people’s legs. Prosperity fostered convenience, which encouraged inactivity—or so a doctor reportedly told the founder of Yamasa Tokei Keiki.
