NDLI: A basic study on quantitative evaluation of 3-dimensional foot contact with an inertial sensor for FES foot drop correction

Content Provider	IEEE Xplore Digital Library
Author	Shiotani, M. Watanabe, T.
Copyright Year	2015
Description	Author affiliation: Grad. Sch. of Biomed. Eng., Tohoku Univ., Sendai, Japan (Shiotani, M.; Watanabe, T.)
Abstract	In these days, FES is used to control ankle dorsiflexion of hemiplegic gait. Since not only dorsiflexion but also 3-dimensional foot contact isimportant for gait stability in hemiplegic gait, evaluation and control system of 3-dimensional foot contact with FES is needed to correct foot movement. In this study, the timing of initial contact and the timing when foot movement became stationary in the sagittal plane were detected, and the inclination angles in the sagittal and the frontal planes at these timings were used for evaluation. Using the inclination angles, 10 m walking of a hemiplegic subject under the 4 different gait conditions were quantitatively evaluated. The gait conditions were without FES, stimulation to the tibialis anterior, stimulation to the common peroneal nerve, and stimulation to both the tibialis anterior and the common peroneal nerve. Result of evaluation with the inclination angles showed that stimulation to the tibialis anterior could control foot contact appropriately in the sagittal plane, and stimulation to the common peroneal nerve was better to control foot inclination angle in the frontal plane. Inclination angle at the beginning of the stance phase indicated that FES system which used in clinical site commonly is not appropriate to control 3-dimensional foot contact. It was shown that inclination angle at the beginning of the stance phase was useful to evaluate 3-dimensional foot movements for FES foot drop correction.
Starting Page	6684
Ending Page	6687
File Size	708141
Page Count	4
File Format	PDF
ISSN	1557170X
e-ISBN	9781424492718
DOI	10.1109/EMBC.2015.7319926
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2015-08-25
Publisher Place	Italy
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Foot Integrated circuits Biomedical measurement Wireless sensor networks Wireless communication Timing Quaternions
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

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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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