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Changes in step-wid...
Changes in step-width during dual-task walking predicts falls
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- Nordin, Ellinor (författare)
- Umeå universitet,Sjukgymnastik
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Moe-Nilssen, R (författare)
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- Ramnemark, Anna (författare)
- Umeå universitet,Geriatrik
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- Lundin-Olsson, Lillemor (författare)
- Umeå universitet,Sjukgymnastik
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(creator_code:org_t)
- Elsevier BV, 2010
- 2010
- Engelska.
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Ingår i: Gait & Posture. - : Elsevier BV. - 0966-6362 .- 1879-2219. ; 32:1, s. 92-97
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
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- The aim was to evaluate whether gait pattern changes between single- and dual-task conditions were associated with risk of falling in older people. Dual-task cost (DTC) of 230 community living, physically independent people, 75 years or older, was determined with an electronic walkway. Participants were followed up each month for 1 year to record falls. Mean and variability measures of gait characteristics for 5 dual-task conditions were compared to single-task walking for each participant. Almost half (48%) of the participants fell at least once during follow-up. Risk of falling increased in individuals where DTC for performing a subtraction task demonstrated change in mean step-width compared to single-task walking. Risk of falling decreased in individuals where DTC for carrying a cup and saucer demonstrated change compared to single-task walking in mean step-width, mean step-time, and step-length variability. Degree of change in gait characteristics related to a change in risk of falling differed between measures. Prognostic guidance for fall risk was found for the above DTCs in mean step-width with a negative likelihood ratio of 0.5 and a positive likelihood ratio of 2.3, respectively. Findings suggest that changes in step-width, step-time, and step-length with dual tasking may be related to future risk of falling. Depending on the nature of the second task, DTC may indicate either an increased risk of falling, or a protective strategy to avoid falling.
Nyckelord
- Balance; Inter-active gait; Step-width; Dual-task costs; Falls
- sjukgymnastik
- Physiotherapy
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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