Rchr

J-GLOBAL ID：201801012130778166 Update date: Jul. 21, 2024

Koyama keiji

コヤマケイジ | Koyama keiji

Research field (1)： Sports science

Research theme for competitive and other funds (4)：

2023 - 2027 足部内側縦アーチの柔軟性の評価、関連因子の発見と身体運動に及ぼす機能的役割の解明
2019 - 2023 ドロップジャンプの足部アーチの機能解明とトレーニング、足部装具開発への実践的応用
2016 - 2019 Development of exercise program for growth-considered foot function in children
2014 - 2017 Investigation force generation association between lower limb and foot muscles during dynamic movements and applied for development of foot-ankle apparatus

Papers (20)：

Keiji Koyama, Junichiro Yamauchi. Increased toe flexor strength does not relate to altered postural sway during static upright standing after 12 weeks of multicomponent exercise training. European journal of sport science. 2023. 23. 4. 520-529
Junichiro Yamauchi, Keiji Koyama. The mechanical role of the metatarsophalangeal joint in human jumping. PloS one. 2022. 17. 5. e0268634
Keiji Koyama, Junichiro Yamauchi. Influence of prophylactic ankle support on peak power of lower-limb performance. Gazzetta Medica Italiana - Archivio per le Scienze Mediche. 2021. 180. 11. 648-652
Junichiro Yamauchi, Keiji Koyama. Importance of toe flexor strength in vertical jump performance. Journal of biomechanics. 2020. 104. 109719-109719
Junichiro Yamauchi, Keiji Koyama. Toe flexor strength is not related to postural stability during static upright standing in healthy young individuals. Gait & posture. 2019. 73. 323-327

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MISC (48)：

小山桂史, 小山桂史, 小島賢悟. The influence of shoes sole shape on ground reaction force during walking. 桐蔭スポーツ科学(Web). 2024. 7
Heart rate during competition simulation rounds in Ballroom dance in Japanese professional dancers. 2022. 5. 1-6
廣瀬立朗, 小山桂史, 桜井智野風, 関根豊子, 島崎あかね, 坂手誠治, 勝亦陽一, 星秋夫. JBDFプロダンサーにおける競技会シミュレート時の心拍数. 日本スポーツ健康科学誌. 2022. 8. 1. 44-44
Heart rate in Ballroom dance in Japanese professional dancers. 2021. 4. 29-33
廣瀬立朗, 小山桂史, 桜井智野風, 関根豊子, 島崎あかね, 坂手誠治, 勝亦陽一, 星秋夫. JBDFプロダンサーによる各ダンス種目における心拍数. 日本スポーツ健康科学誌. 2021. 7. 1. 65-65

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