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Kinetic analysis of rocker functions of the foot

Research Project

Project/Area Number 24500596
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Rehabilitation science/Welfare engineering
Research InstitutionYamagata Prefectural University of Health Science

Principal Investigator

KANZAKI Hideto  山形県立保健医療大学, 保健医療学部, 教授 (10381352)

Co-Investigator(Renkei-kenkyūsha) IHASHI Kouji  山形県立保健医療大学, 保健医療学部, 教授 (40160014)
MAKABE Hitoshi  山形県立保健医療大学, 保健医療学部, 教授 (60363743)
TAKAHASHI Toshiaki  山形県立保健医療大学, 保健医療学部, 准教授 (50464508)
MINAMISAWA Tadayoshi  山形県立保健医療大学, 保健医療学部, 講師 (40347208)
AKATUKA Seiya  山形県立保健医療大学, 保健医療学部, 講師 (70363744)
NAGASE Tokiko  山形県立保健医療大学, 保健医療学部, 助教 (10404865)
Project Period (FY) 2012-04-01 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥5,200,000 (Direct Cost: ¥4,000,000、Indirect Cost: ¥1,200,000)
Fiscal Year 2014: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2013: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2012: ¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Keywords足部ロッカー / 歩行分析 / 運動力学 / 衝撃吸収 / 足圧分布 / 重心移動 / 機械的効率性 / エネルギー交換 / 足部ロッカー機構 / 運動力学的分析
Outline of Final Research Achievements

By limiting the biomechanical roles of three rocker functions produced at the foot region in the stance phase while walking, we examined those functions. Results show that limited rocker functions change the center of mass (COM) displacement pattern, lower leg joint movement, joint moments, shock absorber, and foot stress distribution, as well as decrease the walking velocity. However, limited rocker functions maintained the rate of exchange between kinetic energy and potential energy, which represents smooth displacement of the COM. Results suggest that limiting rocker functions restricts forward displacement of the COM, but walking mechanical efficiency, at least in a young and healthy person, can be maintained by some compensatory movements.

Report

(4 results)
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Research-status Report
  • 2012 Research-status Report
  • Research Products

    (3 results)

All 2015 2014 Other

All Presentation (3 results)

  • [Presentation] Biomechanical Analysis of Forefoot Rocker in Walking2015

    • Author(s)
      Kanzaki H, Nagase T, Minamisawa T, Akatuka S, Takahashi T, Makabe H, Ihashi K
    • Organizer
      WCPT(World Confederation for Physical Therapy ) Congress 2015
    • Place of Presentation
      Suntec Singapore Convention & Exhibition Centre( Suntec City, Singapore)
    • Year and Date
      2015-05-01 – 2015-05-04
    • Related Report
      2014 Annual Research Report
  • [Presentation] 歩行におけるフォアフットロッカーの生体力学的分析2014

    • Author(s)
      神先秀人,永瀬外希子,南澤忠儀,赤塚清矢,高橋俊章,真壁寿,伊橋光二
    • Organizer
      第69回日本体力医学会大会
    • Place of Presentation
      長崎大学文教キャンパス(長崎市文教町1-14)
    • Year and Date
      2014-09-19 – 2014-09-20
    • Related Report
      2014 Annual Research Report
  • [Presentation] 足部ロッカー機構の運動学的分析

    • Author(s)
      神先秀人,永瀬外希子,南澤忠儀,赤塚清矢,高橋俊章,真壁寿,伊橋光二
    • Organizer
      日本体力医学会東北地方会第22回大会 (体力科学2013;62:435.)
    • Place of Presentation
      山形市
    • Related Report
      2013 Research-status Report

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Published: 2013-05-31   Modified: 2019-07-29  

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