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The clinical conditions affecting the skeletal muscle tissue are broadly categorized as musculoskeletal and neuromuscular disorders.
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Related Experiment Video

Updated: Jul 28, 2025

Ex Vivo Assessment of Contractility, Fatigability and Alternans in Isolated Skeletal Muscles
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Muscle fatigue during assisted violin performance.

Clara Ziane1,2, Etienne Goubault1, Benjamin Michaud1

  • 1Laboratoire de simulation et modélisation du mouvement, School of Kinesiology and Physical Activity Sciences, University of Montreal, Laval, Canada.

Ergonomics
|June 2, 2023
PubMed
Summary
This summary is machine-generated.

Dynamic assistive devices (DAS) reduce muscle fatigue in violinists, preventing injury. This technology slowed fatigue in neck and shoulder muscles during playing, offering a promising solution for musicians.

Keywords:
ElectromyographyMusician’s healthassistive technologiesergonomicskinematics

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Area of Science:

  • Biomechanics
  • Occupational Health
  • Music Performance Science

Background:

  • Musculoskeletal disorders (MSDs) affect up to 93% of musicians, particularly violinists, with muscle fatigue being a key risk factor.
  • Dynamic assistive support (DAS) devices are designed to mitigate arm fatigue during instrument use.
  • Understanding the impact of DAS on physiological and kinematic responses during demanding tasks is crucial for injury prevention.

Purpose of the Study:

  • To evaluate the effects of dynamic assistive support (DAS) on muscle fatigue and joint kinematics in violinists during a fatiguing task.
  • To assess how DAS influences electromyography median frequency and kinematic parameters associated with violin playing.

Main Methods:

  • Fifteen university-level and professional violinists performed a G scale task until exhaustion, with and without DAS.
  • Electromyography (EMG) sensors and motion capture markers recorded upper-body muscle activity and joint kinematics.
  • Paired t-tests analyzed changes in EMG median frequency and joint kinematics between conditions.

Main Results:

  • DAS significantly attenuated the decrease in median frequency for the left supraspinatus, superior trapezius, and right medial deltoid muscles.
  • DAS limited increases in trunk rotation, left wrist abduction, and right arm elevation plane.
  • While kinematic effects were marginal, DAS demonstrably reduced muscle fatigue in key upper-body muscles.

Conclusions:

  • Dynamic assistive support (DAS) effectively reduces muscle fatigue in violinists, specifically in the neck and shoulder regions.
  • By mitigating muscle fatigue, DAS presents a promising strategy for preventing work-related musculoskeletal disorders in musicians.
  • The findings support the integration of assistive technologies to enhance musician health and longevity.