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Related Experiment Videos

Using biofeedback to reduce left arm extensor EMG of string players during musical performance

R L Morasky, C Reynolds, G Clarke

    Biofeedback and Self-Regulation
    |December 1, 1981
    PubMed
    Summary

    Electromyographic (EMG) biofeedback effectively reduced muscle tension in string players. These EMG reductions generalized to performance without feedback, but not to opposing muscle groups.

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    Area of Science:

    • Music performance science
    • Biomedical engineering
    • Sports medicine

    Background:

    • Musicians often experience muscle tension during performance.
    • Electromyographic (EMG) biofeedback is a potential tool for managing this tension.
    • Understanding the efficacy and generalization of EMG biofeedback is crucial for musicians' health.

    Purpose of the Study:

    • To determine if EMG biofeedback can reduce left forearm extensor muscle tension in string players.
    • To assess if these EMG reductions generalize to a no-feedback condition.
    • To investigate if EMG reductions generalize from extensor to flexor muscles.

    Main Methods:

    • A pretest/posttest design study was conducted over four sessions.
    • Nine intermediate to advanced string players participated.

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  • EMG levels of forearm muscles were monitored during performance tasks.

    • Main Results:

    • EMG biofeedback significantly decreased left forearm extensor muscle activity.
    • The observed EMG reductions generalized to a performance setting without biofeedback.
    • Generalization of EMG reduction from extensors to flexors was not observed.

    Conclusions:

    • EMG biofeedback is an effective method for reducing specific muscle tension in musicians.
    • The benefits of EMG biofeedback can extend to performance situations without direct feedback.
    • Targeted muscle group training is necessary, as generalization to antagonistic muscles does not occur automatically.