Nobukazu Kasai is Graduate Student in Faculty of Sport and Health Science of Ritsumeikan University, and his research manuscript was accepted and published in SpringerPlus, which collaborated with Associate Professor Kazushige Goto. The study investigated the effect of sprint training in hypoxia (FiO₂ = 14.5 %) on repeated sprint performance compared with same training in normoxia (FiO₂ = 20.9 %) in female athletes.

Nobukazu Kasai, Sahiro Mizuno, Sayuri Ishimoto, Etsuko Sakamoto, Misato Maruta and Kazushige Goto. (2015). Effect of training in hypoxia on repeated sprint performance in female athletes. SpringerPlus 4: p. 310.