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Is resistance training to volitional failure necessary for muscle hypertrophy?

Research Project

Project/Area Number 17K01693
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Sports science
Research InstitutionNippon Sport Science University

Principal Investigator

OKADA Takashi  日本体育大学, 体育学部, 准教授 (80532647)

Co-Investigator(Kenkyū-buntansha) 菊池 直樹  日本体育大学, 体育学部, 准教授 (10739478)
Project Period (FY) 2017-04-01 – 2020-03-31
Project Status Completed (Fiscal Year 2019)
Budget Amount *help
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2019: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2018: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2017: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Keywords筋力トレーニング / ベンチプレス / スクワット / 筋肥大 / 筋力向上 / 挙上速度 / レジスタンストレーニング / Velocity loss / 高強度 / 低強度
Outline of Final Research Achievements

We investigated how resistance training (RT) to failure at low load affects acute responses and chronic muscle adaptations compared with low-load RT to velocity fatigue at equal work volume. Twenty-seven subjects performed 8 weeks of bench press twice weekly. Participants were randomly assigned to one of three groups: low-load volitional failure (LVoF, n=9), low-load velocity fatigue (LVeF, n=8), and high-load (HL, n=10). RT comprised 3 sets to failure at 40% one repetition maximum (1RM) in the LVoF group, 3 sets to velocity fatigue (20% lifting velocity loss) at 40% 1RM in the LVeF group, and 3 sets of 8 repetitions at 80% 1RM in the HL group. In conclusion, low-load RT to volitional failure induces muscle hypertrophy similar to volume-matched velocity fatigue.

Academic Significance and Societal Importance of the Research Achievements

最大挙上回数まで行うトレーニングの有用性を低強度の筋力トレーニングを用いて検討した。その結果、トレーニングをあまり行っていない対象者であれば、最大挙上回数までおこなわかったとしても高強度と同様に筋肥大することが明らかになった。最大反復までのトレーニングは、筋損傷などを起こすことも報告されていることから、速度の低下などを利用することで、アスリートのインシーズンのトレーニングや、健康増進を目的とした一般の人のトレーニングのプログラム計画に有効である。

Report

(4 results)
  • 2019 Annual Research Report   Final Research Report ( PDF )
  • 2018 Research-status Report
  • 2017 Research-status Report
  • Research Products

    (1 results)

All 2019

All Presentation (1 results) (of which Int'l Joint Research: 1 results)

  • [Presentation] Effects Of High-intensity Strength Training On Muscle Strength Gain And Muscle Hypertrophy In Males And Females: A Meta-analysis.2019

    • Author(s)
      Yukina Mochizuki, Naoki Kikuchi, Noriko Kaji, Takashi Okada, Kentaro Terada, Yoshiaki Haakaku, Nobuyasu Tomabechi, Toshiaki Soga, Tomoya Era, Naoyuki Kobatake, Tetsunari Nishiyama.
    • Organizer
      66th ACSM annual meeting.
    • Related Report
      2019 Annual Research Report
    • Int'l Joint Research

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Published: 2017-04-28   Modified: 2021-02-19  

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