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Effects of afferent signals derived from peripheral fatigue on efferent command from central nervous system during exercise

Research Project

Project/Area Number 21800083
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeSingle-year Grants
Research Field Physical education
Research InstitutionKyushu Kyoritsu University

Principal Investigator

MATSUURA Ryouta  Kyushu Kyoritsu University, スポーツ科学部, 助手 (10551278)

Project Period (FY) 2009 – 2010
Project Status Completed (Fiscal Year 2010)
Budget Amount *help
¥2,106,000 (Direct Cost: ¥1,620,000、Indirect Cost: ¥486,000)
Fiscal Year 2010: ¥741,000 (Direct Cost: ¥570,000、Indirect Cost: ¥171,000)
Fiscal Year 2009: ¥1,365,000 (Direct Cost: ¥1,050,000、Indirect Cost: ¥315,000)
Keywords筋疲労 / 非活動筋 / 表面筋電図 / アルカローシス / 疲労
Research Abstract

The purpose of this study was to determine the effects of changes in muscle metabolites during leg pedaling exercise on force and surface electromyogram activity during subsequent maximal isometric elbow flexion. Exercise intensity during the leg pedaling exercise or oral administration of sodium bicarbonate 2 hours before the initiation of the leg pedaling exercise did not influence force and surface electromyogram activity during subsequent maximal isometric elbow flexion. Therefore, these results suggest that changes in muscle metabolites in active muscles induced by leg pedaling exercise do not act as afferent signals to modify efferent command from the central nervous system during subsequent maximal voluntary contraction in inactive muscles.

Report

(3 results)
  • 2010 Annual Research Report   Final Research Report ( PDF )
  • 2009 Annual Research Report
  • Research Products

    (2 results)

All 2010

All Presentation (2 results)

  • [Presentation] 脚ペダリング運動がその後の最大等尺性肘屈曲時における筋力発揮と表面筋電図活動に及ぼす影響2010

    • Author(s)
      松浦亮太,平木場浩二,高橋恭平
    • Organizer
      第18回日本運動生理学会
    • Place of Presentation
      鹿児島大学(鹿児島県)
    • Year and Date
      2010-08-01
    • Related Report
      2010 Final Research Report
  • [Presentation] 脚ペダリング運動がその後の最大等尺性肘屈曲時における筋力発揮と表面筋電図活動に及ぼす影響2010

    • Author(s)
      松浦亮太、平木場浩二、高橋恭平
    • Organizer
      第18回日本運動生理学会大会
    • Place of Presentation
      鹿児島大学(鹿児島県)
    • Year and Date
      2010-08-01
    • Related Report
      2010 Annual Research Report

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Published: 2009-04-01   Modified: 2016-04-21  

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