Tomoyuki Matsuo, Tsutomu Jinji, Daisaku Hirayama, Yoshitaka Morishita, Yoichi Katsumata, Shoji Konda, Issei Ogasawara. Factors of individual differences between the speeds of the hand and ball during baseball pitching: Assessment of middle finger function based on the hierarchical linear model. Journal of sports sciences. 2024. 1-13
Tomohisa Miyanishi, Kazushi Shimada, Takashi Kawamura, Daisaku Hirayama, Keizo Takahashi, Ryu Nagahara. Classification of four pitching styles in Japanese baseball players. INTERNATIONAL JOURNAL OF SPORTS SCIENCE & COACHING. 2022
Tomoyuki Matsuo, Tsutomu Jinji, Daisaku Hirayama, Daiki Nasu, Yoichi Katsumata, Yoshitaka Morishita. Consistent Hand Dynamics Are Achieved by Controlling Variabilities Among Joint Movements During Fastball Pitching. Frontiers in Sports and Active Living. 2020. 2
A small 3-axis force plate for calculating the force of each hand in a state of overlap between two hands
(ARIHHP Human High Performance Forum 2024 2024)