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Identification of steadiness in children and its motor control

Research Project

Project/Area Number 23650366
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Physical education
Research InstitutionKyoto University

Principal Investigator

KOUZAKI Motoki  京都大学, 人間・環境学研究科(研究院), 准教授 (30313167)

Project Period (FY) 2011 – 2013
Project Status Completed (Fiscal Year 2013)
Budget Amount *help
¥3,510,000 (Direct Cost: ¥2,700,000、Indirect Cost: ¥810,000)
Fiscal Year 2013: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2012: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Fiscal Year 2011: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Keywords運動制御 / 調節能力 / 人差し指 / 変動 / 第一背側骨間筋 / 幼児 / 力調節 / 二次元平面 / 至適方位 / 共分散 / 運動調節能力 / レーザー変位計 / 発揮張力
Research Abstract

The purpose of the study is to establish the quantification of steadiness in children, and determine its ability. The fluctuations in index finger during movement matching tasks in horizontal plane were measured by multiple high-resolution laser displacement sensors. It was demonstrated that motor skill of index finger is determined by two-dimensional plane not by optimal direction. In addition, fluctuations of index finger in children were larger than those in young adults. These results suggest that poor motor control for children is related to weak stiffness around the joint.

Report

(4 results)
  • 2013 Annual Research Report   Final Research Report ( PDF )
  • 2012 Research-status Report
  • 2011 Research-status Report
  • Research Products

    (7 results)

All 2012 2011 Other

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (4 results) Remarks (1 results)

  • [Journal Article] Index finger position fluctuations reflect multi-muscle coordination2012

    • Author(s)
      Nagata K, Hagio S, Tanabe H, Kouzaki M
    • Journal Title

      Journal of Electromyography and Kinesiology

      Volume: 22(4) Pages: 546-552

    • Related Report
      2013 Final Research Report
    • Peer Reviewed
  • [Journal Article] Index finger position fluctuations reflect multi-muscle coordination2012

    • Author(s)
      Nagata K, Hagio S, Tanabe H, Kouzaki M
    • Journal Title

      Journal of Electromyography and Kinesiology

      Volume: 22 Issue: 4 Pages: 546-552

    • DOI

      10.1016/j.jelekin.2012.01.007

    • Related Report
      2012 Research-status Report
    • Peer Reviewed
  • [Presentation] ノイズ刺激による動作調節能力の変調の解明2012

    • Author(s)
      長田かおり, 神崎素樹
    • Organizer
      第67回日本体力医学会
    • Place of Presentation
      岐阜
    • Related Report
      2013 Final Research Report 2012 Research-status Report
  • [Presentation] Subthreshold electrical noise stimulation reduces the fluctuations in the index finger movements2012

    • Author(s)
      Nagata K, Kouzaki M
    • Organizer
      The 17th annual congress of the European College of Sport Science
    • Place of Presentation
      Bruges (Belgium)
    • Related Report
      2013 Final Research Report
  • [Presentation] Subthreshold electrical noise stimulation reduces the fluctuations in the index finger movements2012

    • Author(s)
      Nagata K, Kouzaki M
    • Organizer
      The 17th annual congress of the European College of Sport Science
    • Place of Presentation
      Belgium
    • Related Report
      2012 Research-status Report
  • [Presentation] 手指の動作調節に及ぼすノイズ印加の効果2011

    • Author(s)
      長田かおり, 萩生翔大, 神崎素樹
    • Organizer
      第66回日本体力医学会
    • Place of Presentation
      下関
    • Related Report
      2013 Final Research Report
  • [Remarks] Nagata K, Hagio S, Tanabe H, Kouzaki M.Index finger position fluctuations reflect multi-muscle coordination. Journal of Electromyography and Kinesiology, in Press, 10.1016/j.jelekin.2012.01.007

    • Related Report
      2011 Research-status Report

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Published: 2011-08-05   Modified: 2019-07-29  

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