Yamakawa, Keisuke Kobayashi, Shimojo, Hirofumi, Takagi, Hideki, Sengoku, Yasuo. Changes in Kinematics and Muscle Activity With Increasing Velocity During Underwater Undulatory Swimming. Frontiers in sports and active living. 2022. 4
Yusuke Ikeda, Hiroshi Ichikawa, Hirofumi Shimojo, Rio Nara, Yasuhiro Baba, Yoshimitsu Shimoyama. Relationship between dolphin kick movement in humans and velocity during undulatory underwater swimming. Journal of sports sciences. 2021. 39. 13. 1-7
Rio Nara, Yusuke Ikeda, Hirofumi Shimojo, Daisuke Sato, Hiroshi Ichikawa, Yasuhiro Baba, Yoshimitsu Shimoyama. Does different timing of hip and knee joint extension during take-off affect backstroke start performance?. Sports biomechanics. 2021. 1-12
Hiroshi Ichikawa, Hirofumi Shimojo, Yasuhiro Baba, Takao Mise, Rio Nara, Yoshimitsu Shimoyama. The Difference of Propulsive Force between Water Surface and Underwater Conditions in Flutter Kick Swimming. Proceedings. 2020. 49. 1. 167-167