Within Trial Validation and Reliability of a Single Tri-Axial Accelerometer for Gait Assessment

Godfrey, Alan, Del Din, Silvia, Barry, Gillian, Mathers, John and Rochester, Lynn (2014) Within Trial Validation and Reliability of a Single Tri-Axial Accelerometer for Gait Assessment. In: EMBC’14 - 36th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, 26th - 30th August 2014, Illinois, USA.

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Abstract

Gait is a sensitive biomarker of decline in both cognitive and physical function. Therefore, the collection of gait data is an important feature of clinical assessments. Accelerometer-based body worn sensors are quickly becoming the preferred tool for assessing gait because they are small, useable in a wide variety of settings, offer more continuous spatio-temporal analysis and are inexpensive when compared with traditional gait assessment methodologies. The purpose of this study was to determine the validity and within test reliability of a low cost body worn movement sensor with associated algorithms to assess gait in a large group of older and younger healthy adults. We collected gait data over intermittent walks on an instrumented walkway for a within trial validation and also used the same accelerometer derived gait data for a within test reliability analysis. ICCs for validation and reliability were >0.756 and >0.965, respectively.

Item Type: Conference or Workshop Item (Paper)
Subjects: B800 Medical Technology
B900 Others in Subjects allied to Medicine
Department: Faculties > Health and Life Sciences > Sport, Exercise and Rehabilitation
Depositing User: Paul Burns
Date Deposited: 12 Dec 2014 16:05
Last Modified: 24 Oct 2017 11:41
URI: http://nrl.northumbria.ac.uk/id/eprint/18491

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