Evaluation of Muscle Fatigue During Isokinetic Knee Extension Using Mechanomyogram and Electromyogram
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- KAWASHIMA Takaki
- Master’s Program in Rehabilitation, Graduate School of Health Science and Technology, Kawasaki University of Medical Welfare
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- ISHIDA Hiroshi
- Department of Physical Therapist, Faculty of Rehabilitation, Kawasaki University of Medical Welfare
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- FUKUHARA Shinichi
- Department of Medical Engineering, Faculty of Health Science and Technology, Kawasaki University of Medical Welfare
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- SUEHIRO Tadanobu
- Department of Physical Therapist, Faculty of Rehabilitation, Kawasaki University of Medical Welfare
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- YOSHIMURA Yosuke
- Department of Physical Therapist, Faculty of Rehabilitation, Kawasaki University of Medical Welfare
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- OKADA Hiroshi
- Department of Physical Therapy, Kawasaki Junior College of Rehabilitation
Bibliographic Information
- Other Title
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- 筋音図と筋電図を用いた等速性膝伸展時の筋疲労評価
- キンオンズ ト キンデンズ オ モチイタ トウソクセイ シツ シンテンジ ノ キン ヒロウ ヒョウカ
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Abstract
It is important to use a device that can objectively evaluate muscle fatigue in subjects during strength training. The purpose of this study was to determine whether the values of torque, electromyogram (EMG), and mechanomyogram (MMG) during isokinetic knee extension show statistically similar fluctuation to each other. Thirty healthy men and women (age 23.7 ± 2.1 years, height 164.9 ± 7.0 cm, weight 56.4 ± 8.0 kg) performed 50 repetitions of isokinetic knee extension (60 deg/s) at maximum voluntary contraction. EMG and MMG were recorded from the vastus lateralis (VL) and vastus medialis (VM), and the root mean square (RMS) and medium power frequency (MDF) were calculated. Torque, VL・VM EMG RMS, VL・VM MMG RMS and VL・VM EMG MDF variability were analyzed using parallel line analysis. The results indicated that only the VL MMG RMS proved to be parallel to the torque (p≥0.05). Clinically, the degree of muscle fatigue may be quantitatively and easily assessed by using VL MMG RMS during strength training, such as knee extension resistance exercise.
Journal
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- Journal of the Society of Biomechanisms
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Journal of the Society of Biomechanisms 47 (1), 63-70, 2023
Society of Biomechanisms
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Details 詳細情報について
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- CRID
- 1390297382515651712
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- NII Book ID
- AN00334047
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- NDL BIB ID
- 032750449
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- ISSN
- 02850885
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- Crossref
- KAKEN
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- Abstract License Flag
- Disallowed