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.