NATIONAL INSTITUTE of FITNESS and SPORTS in KANOYA

主な研究内容 (Main research contents)

• スポーツを科学する-RENKEI-
  現在行っている研究内容をわかりやすく説明しています。
  スポーツを科学する-RENKEI-(PDF)
• 水泳における流体力学的研究（抵抗力及び推進力評価）
• 水泳競技でのトレーニング及びコーチングに関する研究
• 水泳競技でのコーチングと科学の統合に関する研究

資格 (Qualification)

• 中学校教諭（専修免許）（保健体育）（2014年3月）
• 高等学校教諭（専修免許）（保健体育）（2014年3月）
• 公益財団法人日本スポーツ協会　公認水泳コーチ３（2017年10月）

競技歴 (Achievement as a competitor)

• 国民体育大会（水泳競技）　出場（山形県）
• 全国国公立大学選手権水泳競技大会　入賞
• 日本学生選手権水泳競技大会　出場

実技指導歴 (Achievements as a coach)

• 筑波大学　水泳部競泳部門コーチ　（2014年4月～2016年9月）

Research History

• August,2022～Now National Institute of Fitness and Sports in Kanoya lecturer
• May,2020～July,2022 National Institute of Fitness and Sports in Kanoya Assistant Professor
• October,2017～May,2020 Keio University Project Research Associate
• April,2018～March,2020 Meiji university 兼任講師
• April,2017～March,2018 Senior High School at Otsuka, University of Tsukuba Part-time teacher
• April,2017～September,2017 Saitama Prefectual University 非常勤講師

Research Interests

• Coaching
• Fluid dynamics
• Sports science
• Swimming

Award

• October,2022 Japanese Society of Sciences in Swimming and Water Exercise Encouraging prize Kenzo Narita, Tomoya Kadi, Hideki Takagi
• October,2016 Japanese Society of Sciences in Swimming and Water Exercise Encouraging prize Kenzo Narita,Yasuo Sengoku,Syozo Tsubakimoto,Hideki Takagi
• March,2016 筑波大学 2016年筑波大学博士後期課程体育科学専攻第2回学生功労賞 受賞
• March,2014 筑波大学 2014年筑波大学博士前期課程体育学専攻修論コンクール 優秀賞
• November,2013 Japanese Society of Sciences in Swimming and Water Exercise The Best Presentation Award Kenzo Narita,Yasuo Sengoku,Hideki Takagi,Shozo Tsubakimoto

Published Papers

2025

• Does body composition relate to active drag during arms-only front crawl swimming in male collegiate swimmers? Kenzo Narita,Sohei Washino,Tomoya Kadi,Hiroaki Kanehisa,Hirotoshi Mankyu,Eiji Fujita Journal of Science and Medicine in Sport January,2025 DOI

2024

• Role of kicking action in front crawl: the inter-relationships between swimming velocity, hand propulsive force and trunk inclination. Tomoya Kadi,Sohei Washino,Takaaki Tsunokawa,Kenzo Narita,Hirotoshi Mankyu,Akihiko Murai,Hiroyuki Tamaki Sports biomechanics 1-19 January 22,2024 DOI
• Interpreting the Projected Frontal Area in Front Crawl: Determining the Projected Frontal Area of Each Body Segment Washino, S.,Murai, A.,Kadi, T.,Narita, K.,Mankyu, H.,Yoshitake, Y. Medicine and Science in Sports and Exercise 2024 DOI

2023

• How do swimmers control their front crawl swimming velocity? Current knowledge and gaps from hydrodynamic perspectives Takagi, H.,Nakashima, M.,Sengoku, Y.,Tsunokawa, T.,Koga, D.,Narita, K.,Kudo, S.,Sanders, R.,Gonjo, T. Sports Biomechanics Volume 22 Issues 12 1-20 2023 Referee DOI

2022

• Novel Method for Estimating Propulsive Force Generated by Swimmers' Hands Using Inertial Measurement Units and Pressure Sensors. Tomoya Kadi,Tomohito Wada,Kenzo Narita,Takaaki Tsunokawa,Hirotoshi Mankyu,Hiroyuki Tamaki,Futoshi Ogita Sensors (Basel, Switzerland) Volume 22 Issues 17 September 04,2022 Referee DOI
• 水泳における泳速度と抵抗力の関係 成田 健造 バイオメカニクス研究 Volume 26 18-25 May,2022 Invited DOI
• The relationship between active drag and swimming velocity - Focusing on front-crawl swimming - Kenzo Narita Japanese journal of sciences in swimming and water exercise Volume 25 Issues 1 1-6 April,2022 DOI
• Relationship between posture, movement of various body parts and active drag in front crawl: A case study focusing on pressure drag Kenzo Narita,Hideki Takagi 鹿屋体育大学学術研究紀要 Volume 59 57-64 March,2022 Referee

2021

• A case study of the effect of interval swimming training intensity and its sequence on physiological responses Kenzo Narita,Tomomi Fujimoto,Yasuo Sengoku Research Journal of Sports Performance Volume 13 462-471 August,2021 Referee

2020

• Front Crawl Is More Efficient and Has Smaller Active Drag Than Backstroke Swimming: Kinematic and Kinetic Comparison Between the Two Techniques at the Same Swimming Speeds Gonjo, T.,Narita, K.,McCabe, C.,Fernandes, R.J.,Vilas-Boas, J.P.,Takagi, H.,Sanders, R. Frontiers in Bioengineering and Biotechnology Volume 8 September,2020 Referee DOI
• Training to enhance underwater dolphin kick speed in elite swimmers: focusing on kick frequency and propelling efficiency Yasuo Sengoku,Keisuke Kobayashi Yamakawa,Takaaki Tsunokawa,Kenzo Narita Research Journal of Sports Performance Volume 12 396-407 August,2020 Referee
• 日本代表選手と全国大会出場選手における背泳ぎの抵抗力と泳動作の特徴 - 手部動作と体幹の傾きに着目して 成田健造,仙石泰雄 スポーツパフォーマンス研究 Volume 12 1-13 January,2020 Referee

2018

• A comparison between active drag in front-crawl and passive drag on the body with a streamlined position at various velocities Kenzo Narita,Motomu Nakashima,Yasuo Sengoku,Miwako Homma,Shozo Tsubakimoto,Hideki Takagi Taiikugaku kenkyu (Japan Journal of Physical Education, Health and Sport Sciences) Volume 63 Issues 2 505-515 December 10,2018 Referee DOI
• Analysis of oxygen uptake kinetics and heart rate kinetics in competitive swimmers - On- and Off-kinetics response at lactate threshold intensity- Yasuo Sengoku,Masahide Sano,Kenzo Narita,Shozo Tsubakimoto XIIIth International Symposium on Biomechanics and Medicine in Swimming September,2018 Referee
• Estimation of propulsive forces acting on a hand using pressure measurement and underwater motion capture during front crawl swimming Takaaki Tsunokawa,Kenzo Narita,Hirotoshi Mankyu,Futoshi Ogita,Hideki Takagi XIIIth International Symposium on Biomechanics and Medicine in Swimming September,2018 Referee
• The relationship between active drag and swimming velocity during front-crawl swimming Kenzo Narita,Futoshi Ogita,Motomu Nakashima,Tomohiro Gonjo,Hideki Takagi XIIIth International Symposium on Biomechanics and Medicine in Swimming September,2018 Referee
• Effect of leg kick on active drag in front-crawl swimming: Comparison of whole stroke and arms-only stroke during front-crawl and the streamlined position Kenzo Narita,Motomu Nakashima,Hideki Takagi Journal of Biomechanics Volume 76 197-203 July,2018 Referee DOI
• Comparison of Active Drag Using the MRT-Method and the MAD-System in Front Crawl Swimming Kenzo Narita Proceedings Volume 2 Issues 6 February,2018 Referee DOI

2017

• 高強度トレーニングを柱とした競泳競技トレーニングシステム 仙石泰雄,角川隆明,小林啓介,成田健造 The Japanese journal of sports methodology Volume 30 Issues 3 61-65 April,2017 DOI
• Developing a methodology for estimating the drag in front-crawl swimming at various velocities Narita, K.,Nakashima, M.,Takagi, H. Journal of Biomechanics Volume 54 123-128 March,2017 Referee DOI