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Clinical Assessment of Spatiotemporal Gait Parameters in Patients and Older Adults
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Walking Intensity Estimation with a Portable Pedobarography System.

Per Anders Rickard Hellstrom1, Anna Åkerberg1, Martin Ekström1

  • 1Embedded Sensor Systems for Health, Mälardalen University, Västerås, Sweden.

Studies in Health Technology and Informatics
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Summary

This study found a linear relationship between portable pedobarography system output and walking intensity (speed). This technology offers a promising way to measure gait dynamics and assess walking intensity non-invasively.

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Area of Science:

  • Biomechanics
  • Gait Analysis
  • Wearable Technology

Background:

  • Pedobarography systems measure foot pressure during walking.
  • Assessing walking intensity is crucial for exercise and rehabilitation.
  • Portable systems offer potential for real-world gait monitoring.

Purpose of the Study:

  • To investigate the correlation between portable pedobarography output and walking intensity (speed).
  • To evaluate the feasibility of using wireless sensor insoles for gait analysis.

Main Methods:

  • Utilized a portable pedobarography system with force sensing resistor insoles and Bluetooth data transmission.
  • Measured the force-time integral during the toe-off phase for 10 subjects at three walking speeds.
  • Corrected impulse data by multiplying with step frequency.

Main Results:

  • A linear relationship was observed between the pedobarography system's output and walking speed.
  • The system demonstrated individual-level correlation with gait intensity.

Conclusions:

  • Portable pedobarography systems show potential for accurately assessing walking intensity.
  • This technology could be valuable for monitoring gait dynamics in various settings.