Quantifying steps during a timed up and go test using a wearable sensor system: a laboratory-based validation study in healthy young and older volunteers

Daniel Kelly, Grainne Vavasour, Oonagh Giggins, Julie Doyle

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Mobility is an important factor in maintaining health and independence in an aging population. Facilitating community-dwelling older adults to independently identify signs of functional decline could help reduce disability and frailty development. Step-count from a body-worn sensor system was compared with a criterion measure in healthy young (n = 10) and healthy older adults (n = 10) during a Timed Up and Go test under different conditions. Spearman’s rank correlation coefficient indicated strong agreement between the sensor obtained step-count and that of the criterion measure in both age groups, in all mobility tests. A body-worn sensor system can provide objective, quantitative measures of step-count over short distances in older adults. Future research will examine if step-count alone can be used to identify functional decline and risk of frailty.
Original languageEnglish
Title of host publication43rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society
Publication statusAccepted/In press - 15 Jul 2021
Event43rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society - Virtual
Duration: 31 Oct 20214 Nov 2021

Conference

Conference43rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society
Period31/10/214/11/21

Keywords

  • Wearable Sensors
  • Functional Test
  • Timed up and go test
  • Older Adults

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