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Effect of muscle activation and contraction type on respiratory muscle warm-up and training

Research Project

Project/Area Number 18K10880
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 59020:Sports sciences-related
Research InstitutionKokugakuin University (2019-2022)
Meio University (2018)

Principal Investigator

Cino Kentaro  國學院大學, 人間開発学部, 准教授 (30443245)

Co-Investigator(Kenkyū-buntansha) 鈴木 康弘  東京経済大学, 全学共通教育センター, 教授 (00392697)
片山 敬章  名古屋大学, 総合保健体育科学センター, 教授 (40343214)
大家 利之  中京大学, スポーツ科学部, 准教授 (70610062)
原村 未来  独立行政法人日本スポーツ振興センター国立スポーツ科学センター, スポーツ科学・研究部, 契約研究員 (10806285)
Project Period (FY) 2018-04-01 – 2023-03-31
Project Status Completed (Fiscal Year 2022)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2020: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2019: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2018: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Keywords呼吸筋 / 最大吸気口腔内圧 / 最大呼気口腔内圧 / 超音波エラストグラフィ / 表面筋電図法 / 努力性呼気筋 / 腹筋群 / 体幹回旋 / ウォームアップ / トレーニング / 吸気筋
Outline of Final Research Achievements

This study performed in vivo measurements on respiratory muscles that can potentially alter intrathoracic volume and thereby assist with the mechanics of ventilation. We found that 1) the maximal inspiratory mouth pressure was affected by posture, 2) surface EMG electrodes placed on the intercostal space detect not only the activity of the intercostals, but also that of the oblique externus abdominis located above the intercostals, 3) surface EMG electrodes placed on the oblique externus abdominis detect not only the activity of the oblique externus abdominis, but also that of the underlying oblique internus abdominis, 4) EMG activity in the abdominal muscles during forced expiration tends to increase with increasing expiratory mouth pressure, but is lower than the activity during trunk flexion or rotation.

Academic Significance and Societal Importance of the Research Achievements

研究開始当初の目的はウォーミングアップやトレーニング中の呼吸筋の活動や活動様式を姿勢や呼吸法によって制御し,呼吸筋のウォーミングアップやトレーニングの効果を高める方法を検討することであったが,そのような検討を行う研究には至らなかった.しかし,本研究で得られた呼吸筋の測定に関する基礎的な知見は,呼吸筋のウォーミングアップやトレーニングの効果を検討する際に押さえるべきものであり,呼吸筋に関する応用的な研究を行う際に有用であると思われる.

Report

(6 results)
  • 2022 Annual Research Report   Final Research Report ( PDF )
  • 2021 Research-status Report
  • 2020 Research-status Report
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (2 results)

All 2022 2020

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

  • [Journal Article] Verification of surface electromyographic activity of the oblique externus abdominis using ultrasound shear wave elastography2022

    • Author(s)
      Chino Kentaro, Ando Ryosuke, Suzuki Yasuhiro
    • Journal Title

      Physiological Reports

      Volume: 10 Issue: 9

    • DOI

      10.14814/phy2.15295

    • Related Report
      2022 Annual Research Report
    • Peer Reviewed / Open Access
  • [Presentation] Verification of surface electromyographic activity of the oblique externus abdominis using ultrasound shear wave elastography2020

    • Author(s)
      Kentaro Chino, Ryosuke Ando, Yasuhiro Suzuki
    • Organizer
      2020 ISEK Virtual Congress
    • Related Report
      2020 Research-status Report
    • Int'l Joint Research

URL: 

Published: 2018-04-23   Modified: 2024-01-30  

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