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A portable physiological data recording/decoding system

D J Hoodless, I A Macdonald, M A Ballal

    Journal of Biomedical Engineering
    |July 1, 1980
    PubMed
    Summary
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    This study introduces a new 4-channel solid-state recorder for tracking heart beats and footsteps during exercise. The device enables easy data retrieval for assessing physical condition.

    Area of Science:

    • Exercise Physiology
    • Biomedical Engineering
    • Data Acquisition Systems

    Background:

    • Assessing physical condition during exercise is crucial.
    • Existing methods for monitoring physiological signals like heart rate and footsteps can be cumbersome.
    • There is a need for portable and efficient data logging solutions.

    Purpose of the Study:

    • To design and evaluate a novel 4-channel solid-state recorder for capturing heart beats and footsteps.
    • To develop a portable decoder for rapid data retrieval from the recorder.
    • To enable accurate assessment of physical condition through continuous physiological monitoring.

    Main Methods:

    • A compact, 4-channel solid-state recorder was developed to store sequential minute-by-minute counts of heart beats and footsteps.

    Related Experiment Videos

  • One channel was dedicated to subject coding, and another for event marking.
  • Data retrieval involved linking the recorder to a portable decoder with a numeric keypad for subject selection.
  • Physiological data was presented via LED display and paper print-out.

    • Main Results:

    • The recorder successfully captured and stored heart beat and footstep data in minute intervals.
    • The portable decoder facilitated rapid and user-friendly data retrieval.
    • The system provided both visual (LED) and permanent (print-out) records of the physiological data.
    • The device demonstrated effective use for assessing the physical condition of subjects during planned exercise.

    Conclusions:

    • The developed 4-channel solid-state recorder and portable decoder system offers an efficient method for monitoring physiological signals during exercise.
    • This technology allows for accurate, real-time assessment of an individual's physical condition.
    • The system's design supports ease of use and data accessibility for exercise physiology research and applications.