NDLI: Analysis of factors affecting improvement of walking stability

Content Provider	IEEE Xplore Digital Library
Author	Tsuruoka, M. Tsuruoka, Y.
Copyright Year	2009
Description	Author affiliation: Center for Spatial Information Science, Institute of Industrial Science, the University of Tokyo, Tokyo, Japan (Tsuruoka, M.) \|\| Computational Statistics Group, Dept. of Data Science, The Institute of Statistical Mathematics, Tokyo, Japan (Tsuruoka, Y.)
Abstract	Walking balance becomes less stable under the influence of a problematic posture or back. This problem was analyzed on the basis of two new approaches. The first approach is a useful walking analyzer system. It is a small, wearable, micro PC-assisted portable measurement system, consisting of two accelerometers that acquire time series data of the left and right hips' movements while walking. However, it was difficult to analyze directly the characteristics of movement stability using the raw measurement data. The second approach was an analysis of impulse response using Auto Regressive (AR) modeling. Once a subject was aware of the correct posture, the fluctuation of both sides of the subject's hip while walking was improved to be more rhythmic in the female students. The analysis of impulse response, utilizing AR modeling, provided clear results for the evaluation of improvement to walking stability. The impulse response of movement factors enables analysis of their dynamical relations. The biofeedback control analysis of the left and right sides of the subjects' hip while walking using this analyzer system suggests a new potential for the understanding of walking stability in rehabilitation and also physical fitness in daily movement. After the subjects had received suitable rehabilitation, their walking stability improved satisfactorily. This study provides a useful method of medical evaluation in rehabilitation and physical fitness, and a means for subjects to maintain a state of well being.
Starting Page	894
Ending Page	899
File Size	179512
Page Count	6
File Format	PDF
ISBN	9781424427932
ISSN	1062922X
DOI	10.1109/ICSMC.2009.5346763
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-10-11
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Legged locomotion Stability analysis Hip Back Time measurement Accelerometers Fluctuations Biological control systems Control systems Control system analysis rehabilitation AR modeling impulse response walking stability
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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