NDLI: Taking balance measurement out of the laboratory and into the home: Discriminatory capability of novel centre of pressure measurement in fallers and non-fallers

Content Provider	IEEE Xplore Digital Library
Author	McGrath, D. Doheny, E.P. Walsh, L. McKeown, D. Cunningham, C. Crosby, L. Kenny, R.A. Stergiou, N. Caulfield, B. Greene, B.R.
Copyright Year	2012
Description	Author affiliation: Nebraska Biomech. Core Facility, Univ. of Nebraska at Omaha, Omaha, NE, USA (McGrath, D.; Stergiou, N.) \|\| TRIL Center, Univ. Coll. Dublin, Dublin, Ireland (Walsh, L.; McKeown, D.; Caulfield, B.) \|\| TRIL Centre & Health Res. & Innovation, Intel Labs., Dublin, Ireland (Doheny, E.P.; Greene, B.R.) \|\| TRIL Centre, St. Jame's Hosp., Dublin, Ireland (Cunningham, C.; Crosby, L.) \|\| Dept. of Med. Gerontology, St. James's Hosp., Dublin, Ireland (Kenny, R.A.)
Abstract	We investigated three methods for estimating centre of pressure excursions, as measured using a portable pressure sensor matrix, in order to deploy similar technology into the homes of older adults for longitudinal monitoring of postural control and falls risk. We explored the utility of these three methods as markers of falls risk in a cohort of 120 community dwelling older adults with and without a history of falls (65 fallers, 55 non-fallers). A number of standard quantitative balance parameters were derived using each centre of pressure estimation method. Rank sum tests were used to test for significant differences between fallers and non-fallers while intra-class correlation coefficients were also calculated to determine the reliability of each method. A method based on estimating the changes in the magnitude of pressure exerted on the pressure sensor matrix was found to be the most reliable and discriminative. Our future work will implement this method for home-based balance measurement.
Sponsorship	IEEE Eng. Medicine Biol. Soc.
Starting Page	3296
Ending Page	3299
File Size	344591
Page Count	4
File Format	PDF
ISBN	9781424441198
ISSN	1557170X
e-ISBN	9781457717871
DOI	10.1109/EMBC.2012.6346669
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-08-28
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Reliability Pressure measurement Geriatrics Monitoring Biomechanics Electronic mail Force measurement
Content Type	Text
Resource Type	Article
Subject	Signal Processing Biomedical Engineering Health Informatics Computer Vision and Pattern Recognition

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