Cited by 63Gait Recognition and AnalysisLower Extremity Biomechanics and PathologiesBalance, Gait, and Falls Prevention

Gait Segmentation Method Using a Plantar Pressure Measurement System with Custom-Made Capacitive Sensors

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Aqueveque, Pablo, Germany, Enrique, Osorio, Rodrigo, Pastene, Francisco·2020·Sensors

Abstract

Gait analysis has been widely studied by researchers due to the impact in clinical fields. It provides relevant information on the condition of a patient’s pathologies. In the last decades, different gait measurement methods have been developed in order to identify parameters that can contribute to gait cycles. Analyzing those parameters, it is possible to segment and identify different phases of gait cycles, making these studies easier and more accurate. This paper proposes a simple gait segmentation method based on plantar pressure measurement. Current methods used by researchers and clinicians are based on multiple sensing devices (e.g., multiple cameras, multiple inertial measurement units (IMUs)). Our proposal uses plantar pressure information from only two sensorized insoles that were designed and implemented with eight custom-made flexible capacitive sensors. An algorithm was implemented to calculate gait parameters and segment gait cycle phases and subphases. Functional tests were performed in six healthy volunteers in a 10 m walking test. The designed in-shoe insole presented an average power consumption of 44 mA under operation. The system segmented the gait phases and sub-phases in all subjects. The calculated percentile distribution between stance phase time and swing phase time was almost 60%/40%, which is aligned with literature reports on healthy subjects. Our results show that the system achieves a successful segmentation of gait phases and subphases, is capable of reporting COP velocity, double support time, cadence, stance phase time percentage, swing phase time percentage, and double support time percentage. The proposed system allows for the simplification of the assessment method in the recovery process for both patients and clinicians.

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Research works printed but not linked: 3

  1. [13]Whittle M.W. Gait Analysis an Introduction 4th ed. Elsevier Philadelphia, PA, USA 2007
  2. [30]Abboud R. Mini-Symposium: The Elective Foot—(i) Relevant foot biomechanics Current 2002 16 165 179
  3. [40]Bovtun V. Döring y Y. Yakymenko J. EMFIT Ferroelectret Film Transducers for Non-Contact Ultrasonic Testing de European Conference on Non-Destructive Testing ECNDT Berlin, Germany 2006

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Authors
Aqueveque, P., Germany, E., Osorio, R., & Pastene, F.
Affiliations
University of Concepción (CL)
Corresponding author
Aqueveque, Pablo
Venue
Sensors
Publisher
MDPI AG
Published
2020-01-24
Volume
20
Issue
3
Pages
656
ISSN
1424-8220 (ISSN-L)
OpenAlex
W3001172962
Cited by
63
References
28
Citations by year
2026: 7 · 2025: 5 · 2024: 13 · 2023: 14 · 2022: 8 · 2021: 11 · 2020: 5
FWCI
2.99
Type
journal article
Language
en
Open access
Locations
  • Sensors (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Universidad de Concepción
  • Comisión Nacional de Investigación Científica y Tecnológica
Topics
  • Physical Sciences › Engineering › Biomedical Engineering › Gait Recognition and Analysis
  • Physical Sciences › Engineering › Biomedical Engineering › Lower Extremity Biomechanics and Pathologies
  • Health Sciences › Health Professions › Physical Therapy, Sports Therapy and Rehabilitation › Balance, Gait, and Falls Prevention
Keywords
gait segmentation, plantar pressure, capacitive sensors, gait phases, stance and swing phases, center of pressure velocity, double support time, cadence, wearable sensors, low-power sensor design
MeSH terms
Adult, Body Weight, Equipment Design, Gait, Heel, Humans, Male, Monitoring, Physiologic, Shoes, Toes, Walking

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