A Wireless Flexible Sensorized Insole for Gait Analysis

This paper introduces the design and development of a novel pressure-sensitive foot insole for real-time monitoring of plantar pressure distribution during walking. The device consists of a flexible insole with 64 pressure-sensitive elements and an integrated electronic board for high-frequency data...

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Bibliographic Details
Published inSensors (Basel, Switzerland) Vol. 14; no. 1; pp. 1073 - 1093
Main Authors Crea, Simona, Donati, Marco, De Rossi, Stefano, Oddo, Calogero, Vitiello, Nicola
Format Journal Article
LanguageEnglish
Published Switzerland MDPI AG 01.01.2014
Molecular Diversity Preservation International (MDPI)
Subjects
Biomechanical Phenomena
Biomechanics
Biosensing Techniques
Boards
Design engineering
Devices
Electronics
Gait
Gait - physiology
gait analysis
Humans
Insoles
Laboratories
plantar pressure distribution
Pressure
Pressure distribution
real-time gait monitoring
Remote computing
sensorized insole
Sensors
Software
Stress concentration
Walking
Walking - physiology
wearable sensor
Germany
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ISSN1424-8220
1424-8220
DOI10.3390/s140101073

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Summary:This paper introduces the design and development of a novel pressure-sensitive foot insole for real-time monitoring of plantar pressure distribution during walking. The device consists of a flexible insole with 64 pressure-sensitive elements and an integrated electronic board for high-frequency data acquisition, pre-filtering, and wireless transmission to a remote data computing/storing unit. The pressure-sensitive technology is based on an optoelectronic technology developed at Scuola Superiore Sant’Anna. The insole is a low-cost and low-power battery-powered device. The design and development of the device is presented along with its experimental characterization and validation with healthy subjects performing a task of walking at different speeds, and benchmarked against an instrumented force platform.
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These authors contributed equally to this work.
ISSN:1424-8220
1424-8220
DOI:10.3390/s140101073