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Development of motor learning support system adjusting the amount of practice based on the physical condition

Research Project

Project/Area Number 22K17756
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 59030:Physical education, and physical and health education-related
Research InstitutionKeio University

Principal Investigator

Takemi Mitsuaki  慶應義塾大学, 理工学研究科(矢上), 特任講師 (90828302)

Project Period (FY) 2022-04-01 – 2024-03-31
Project Status Completed (Fiscal Year 2023)
Budget Amount *help
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2023: ¥1,820,000 (Direct Cost: ¥1,400,000、Indirect Cost: ¥420,000)
Fiscal Year 2022: ¥2,860,000 (Direct Cost: ¥2,200,000、Indirect Cost: ¥660,000)
Keywords身体運動 / 筋電図 / 疲労 / あがり / バイオマーカー / パフォーマンス / 報酬 / 筋の共収縮 / 運動学習 / 脳波 / 生体計測
Outline of Research at the Start

本研究の目標は、身体状態に基づいて練習量を調整する運動学習支援システムの確立である。一般的な運動スキルの学習では、疲労を感じたら練習を止めるといったように、身体の状態を自己判断して練習量を調節する。しかし、主観的な疲労感と実際に身体に生じている状態変化は一致しないことも多いため、向上心の強い人ほど過剰に練習してしまう。過剰な練習は、運動技能の習得を阻害するだけでなく、脳や筋の障害を招きかねない。そこで本研究では、運動学習中の脳と筋の状態変化をモニタリングして、異常を検知したら練習の中断を推奨することで、効率的で安全な運動技能習得を支援するシステムの確立を目指す。

Outline of Final Research Achievements

The aim of this study was to establish a support system that monitors physical state changes during exercise, and when abnormalities are detected, suggests pausing practice or changing exercise strategies, thereby facilitating the acquisition and execution of motor skills without physical strain. Over the two-year research period, we achieved two significant outcomes. First, we found that the ratio of electromyographic (EMG) amplitude to actual exerted force serves as a fatigue-related biomarker correlated with learning conditions. This finding has been published in a peer-reviewed journal. Second, we discovered that pre-movement muscle co-contraction could serve as a potential biomarker reflecting psychological pressure. This study set extreme high-reward conditions to induce "nervous" states in participants and compared muscle activity to normal reward conditions. The preliminary findings have been published as a preprint and are currently under review in a peer-reviewed journal.

Academic Significance and Societal Importance of the Research Achievements

本研究の学術的意義は、運動中の心身の状態を客観的に評価する新しいバイオマーカーを提案した点にある。特に、筋電図と筋力の比や運動前の筋の共収縮が有用な指標となることを示した点は、運動生理学やリハビリテーション分野において重要である。社会的意義としては、運動中の過剰な負荷や心理的プレッシャーによるパフォーマンス低下を防ぎ、より安全で効果的なトレーニング方法を提供することが期待される。これにより、スポーツ選手だけでなく、高齢者やリハビリ患者にも広く応用可能な支援システムの開発が見込まれる。

Report

(3 results)
  • 2023 Annual Research Report   Final Research Report ( PDF )
  • 2022 Research-status Report
  • Research Products

    (4 results)

All 2023 2022

All Journal Article (2 results) (of which Peer Reviewed: 1 results,  Open Access: 2 results) Presentation (2 results) (of which Int'l Joint Research: 1 results)

  • [Journal Article] Behavioral and physiological fatigue-related factors influencing timing and force control learning in pianists2023

    • Author(s)
      Takemi Mitsuaki、Akahoshi Mai、Ushiba Junichi、Furuya Shinichi
    • Journal Title

      Scientific Reports

      Volume: 13 Issue: 1 Pages: 21646-21646

    • DOI

      10.1038/s41598-023-49226-7

    • Related Report
      2023 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Pre-movement muscle co-contraction associated with motor performance deterioration under high reward conditions2023

    • Author(s)
      Senta Naoki、Ushiba Junichi、Takemi Mitsuaki
    • Journal Title

      Research Square

      Volume: 1 Pages: 1-1

    • DOI

      10.21203/rs.3.rs-3689807/v1

    • Related Report
      2023 Annual Research Report
    • Open Access
  • [Presentation] Pre-movement muscle co-contraction and motor performance deterioration under high-reward conditions2023

    • Author(s)
      N. SENTA, J USHIBA, M TAKEMI
    • Organizer
      Neuroscience 2023
    • Related Report
      2023 Annual Research Report
    • Int'l Joint Research
  • [Presentation] 高額な報酬条件下における運動パフォーマンスと筋活動の変容2022

    • Author(s)
      千田直輝、牛場潤一、武見充晃
    • Organizer
      第16回Motor control研究会
    • Related Report
      2022 Research-status Report

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Published: 2022-04-19   Modified: 2025-01-30  

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