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Related Experiment Videos

Frequency analysis of commercially available vibrators.

G I Turnbull, L C Ross, J B Peacock

    Physiotherapy Canada. Physiotherapie Canada
    |December 12, 1981
    PubMed
    Summary

    Physiotherapy vibrators

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    Physical and occupational therapy: what's common and what's not?

    International journal of rehabilitation research. Internationale Zeitschrift fur Rehabilitationsforschung. Revue internationale de recherches de readaptation·1995

    Area of Science:

    • Physiology
    • Biomedical Engineering

    Background:

    • The tonic vibration reflex (TVR) is crucial in physiotherapy for muscle contraction.
    • Vibrator characteristics like frequency and amplitude significantly impact TVR effectiveness.
    • Current access to testing equipment limits physiotherapists' ability to assess vibrators.

    Purpose of the Study:

    • To measure and compare frequencies of various commercial vibrators.
    • To evaluate vibrator performance under different load conditions and over time.
    • To provide guidance for selecting appropriate therapeutic vibrators in physiotherapy.

    Main Methods:

    • Acquired 19 vibrator models from Canadian retailers and manufacturers.
    • Employed mechanical and optical methods for frequency calibration.
    • Tested vibrators under varying load conditions and over time.

    Main Results:

    • Frequency calibration data was obtained for all 19 models.
    • Results highlight variations in frequency and reliability among models.
    • Application method (e.g., strapping vs. hand-held) influenced frequency in some models.

    Conclusions:

    • The study provides essential data for selecting reliable therapeutic vibrators.
    • Findings guide physiotherapy departments in choosing suitable devices for motor reeducation.
    • Understanding frequency variations ensures more effective clinical application of vibrators.

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