A Wearable real-time intelligent posture corrective system using vibrotactile feedback

Biofeedback is known to improve postural control and shorten rehabilitation periods among the young and elderly. A biofeedback system communicates with the human central nervous system through a variety of feedback modalities. Vibrotactile feedback devices are gaining attention due to their desirabl...

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Main Authors: Gopalai, Alpha, Senananayake, S.
Format: Journal Article
Published: The Institute of Electrical and Electronics Engineers, Inc 2011
Subjects:
Online Access:http://hdl.handle.net/20.500.11937/26686
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author Gopalai, Alpha
Senananayake, S.
author_facet Gopalai, Alpha
Senananayake, S.
author_sort Gopalai, Alpha
building Curtin Institutional Repository
collection Online Access
description Biofeedback is known to improve postural control and shorten rehabilitation periods among the young and elderly. A biofeedback system communicates with the human central nervous system through a variety of feedback modalities. Vibrotactile feedback devices are gaining attention due to their desirable characteristics and simplistic manner of presenting biofeedback. In this study, we investigate the potential of incorporating a real-time biofeedback system with arti?cial intelligence for wobble boardtraining, aimed at improving ankle proprioception. The designed system utilizes vibrotactile actuators to provide forewarning for poor postural control. The biofeedback system depended on Euler angular measurements of trunk and wobble board displacements, from inertial measurement units (IMUs). A fuzzy inference system was used to determine the quality of postural control, based on IMU-acquired measurements of trunk and wobble board. The designed system integrates: 1) two IMUs, 2) a fuzzy knowledge base, and 3) a feedback-generation module. Tests were conducted in eyes-open and eyes-close conditions while standing on the wobble board to assess viability of the system in providing accurate real-time intervention. The results observed an improvement in postural control with biofeedback intervention, demonstrating successfulness of the prototype built for improving postural control in rehabilitative and preventive applications.
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spelling curtin-20.500.11937-266862017-02-28T01:50:23Z A Wearable real-time intelligent posture corrective system using vibrotactile feedback Gopalai, Alpha Senananayake, S. Biofeedback postural control wearable sensors rehabilitation Biofeedback is known to improve postural control and shorten rehabilitation periods among the young and elderly. A biofeedback system communicates with the human central nervous system through a variety of feedback modalities. Vibrotactile feedback devices are gaining attention due to their desirable characteristics and simplistic manner of presenting biofeedback. In this study, we investigate the potential of incorporating a real-time biofeedback system with arti?cial intelligence for wobble boardtraining, aimed at improving ankle proprioception. The designed system utilizes vibrotactile actuators to provide forewarning for poor postural control. The biofeedback system depended on Euler angular measurements of trunk and wobble board displacements, from inertial measurement units (IMUs). A fuzzy inference system was used to determine the quality of postural control, based on IMU-acquired measurements of trunk and wobble board. The designed system integrates: 1) two IMUs, 2) a fuzzy knowledge base, and 3) a feedback-generation module. Tests were conducted in eyes-open and eyes-close conditions while standing on the wobble board to assess viability of the system in providing accurate real-time intervention. The results observed an improvement in postural control with biofeedback intervention, demonstrating successfulness of the prototype built for improving postural control in rehabilitative and preventive applications. 2011 Journal Article http://hdl.handle.net/20.500.11937/26686 The Institute of Electrical and Electronics Engineers, Inc restricted
spellingShingle Biofeedback
postural control
wearable sensors
rehabilitation
Gopalai, Alpha
Senananayake, S.
A Wearable real-time intelligent posture corrective system using vibrotactile feedback
title A Wearable real-time intelligent posture corrective system using vibrotactile feedback
title_full A Wearable real-time intelligent posture corrective system using vibrotactile feedback
title_fullStr A Wearable real-time intelligent posture corrective system using vibrotactile feedback
title_full_unstemmed A Wearable real-time intelligent posture corrective system using vibrotactile feedback
title_short A Wearable real-time intelligent posture corrective system using vibrotactile feedback
title_sort wearable real-time intelligent posture corrective system using vibrotactile feedback
topic Biofeedback
postural control
wearable sensors
rehabilitation
url http://hdl.handle.net/20.500.11937/26686