Using a foot mounted accelerometer to detect changes in gait patterns

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Title: Using a foot mounted accelerometer to detect changes in gait patterns
Authors: Patterson, Matthew
Caulfield, Brian
Permanent link: http://hdl.handle.net/10197/7449
Date: 7-Jul-2013
Abstract: The purpose of this study is to investigate how datafrom a foot mounted accelerometer can be used to detect motorpattern healthy subjects performed walking trails under twodifferent conditions; normal and stiff ankle walking. Lowerbody kinematic data were collected as well as accelerometerdata from both feet. An algorithm is presented which quantifiesrelevant swing phase characteristics from the footaccelerometer. Peak total acceleration during initial swing wassignificantly higher in the stiff ankle condition (M = 33.10, SD =5.12) than in the normal walking condition (M = 29.47, SD =5.75; t(7) = 4.32, p = .003, two-tailed). There was a large effectsize (eta squared = 0.853). Time between peak accelerationduring initial swing to foot strike was significantly shorter inthe stiff ankle condition (M = 0.42, SD = 0.02) than in thenormal condition (M = 0.44, SD = 0.03; t(7) = -2.54, p = .039,two- tailed). There was a large effect size (eta squared = 0.693).Simple to process metrics from tri-axial accelerometer data onthe foot show potential to detect changes in ankle kinematicpatterns.
Funding Details: Science Foundation Ireland
Type of material: Conference Publication
Publisher: IEEE
Copyright (published version): 2013 IEEE
Keywords: Personal sensing;Accelerometers;Biological techniques;Gait analysis
DOI: 10.1109/EMBC.2013.6611286
Language: en
Status of Item: Peer reviewed
Conference Details: 2013 35th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC), Osaka, Japan, 3 - 7 July 2013
Appears in Collections:CLARITY Research Collection
Insight Research Collection

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