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Related Experiment Videos

In-shoe biaxial shear force measurement: the Kent shear system

F Akhlaghi1, M G Pepper

  • 1Electronic Engineering Laboratory, University of Kent, Canterbury, UK.

Medical & Biological Engineering & Computing
|July 1, 1996
PubMed
Summary

The new Kent shear system uses special sensors in shoes to measure forces during walking. This technology provides insights into foot mechanics during everyday activities.

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Area of Science:

  • Biomechanics
  • Biomedical Engineering
  • Sports Science

Background:

  • Understanding in-shoe foot loading is crucial for diagnosing gait abnormalities and designing effective interventions.
  • Existing methods for measuring shear forces often involve specialized equipment or are limited in their ability to capture dynamic, real-world conditions.

Purpose of the Study:

  • To introduce the novel Kent shear system for measuring in-shoe shear forces.
  • To present preliminary clinical results validating the system's capability.

Main Methods:

  • Development of biaxial in-shoe transducers using copolymer piezoelectric film.
  • Simultaneous measurement of two orthogonal shear forces within everyday footwear.
  • Collection of bipedal measurement data over multiple footsteps during normal walking.

Main Results:

  • Successful manufacture of functional biaxial in-shoe transducers.
  • Demonstration of the system's ability to capture shear force data during natural walking.
  • Preliminary clinical data indicating the system's potential for gait analysis.

Conclusions:

  • The Kent shear system offers a promising, non-invasive method for assessing in-shoe biomechanics.
  • This technology has the potential to advance the understanding of foot function in clinical and athletic populations.

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