Arata Kimura, Hirotaka Nakashima, Shuntaro Kuroyanagi, Yuka Ando, Penhao Liao, Shinji Sakurai. Estimating flight trajectories of breaking balls from four-seam fastballs. Frontiers in Sports and Active Living. 2023. 5. 1-8
Hirotaka Nakashima, Shuntaro Kuroyanagi, Yuka Ando, Penhao Liao, Shinji Sakurai. Kinematic Characteristics of Fastballs and Breaking Balls Thrown by High School Baseball Pitchers. International Journal of Sport and Health Science. 2022. 20. 66-75
Gen Horiuchi, Hirotaka Nakashima, Shinji Sakurai. Mechanical energy flow in torso during baseball toss batting. Sports Biomechanics. 2021. 1-11