Suitability of modified tandem-bicycle ergometer for the improvement of physical fitness and athletic performance oleh Sho Onodera, Akira Yoshioka, Hidetaka Yamaguchi, Nozomi Matsumoto, Kazuki Nishimura, Hiroshi Kawano, Tatsuya Saito, Keita Arakane, Sotaro Hayashi, Yusuke Takagi, Takuma Wada, Megumi Murata, Kazutoshi Seki, Yuka Nose, Wooram Baik, Keisho Katayama, Futoshi Ogita