Aging Clinical and Experimental Research

, Volume 23, Issue 5–6, pp 400–405 | Cite as

The relationships among gait and mobility under single and dual task conditions in community-dwelling older adults

Original Article


Aims: The purpose of this study was to examine relationships among gait and mobility under single and dual task conditions in older adults. Methods: Community-dwelling older adults (n=41, mean age=75) completed mobility and gait tasks. Mobility was assessed with the Timed-Up-and-Go (TUG). Select gait parameters were examined while individuals walked at their preferred speed across the GAITRite electronic walkway. Two age groups were studied (younger age group=65–75; older age group=76+). Multiple linear regression analyses were used to examine the relationship between gait and mobility under single vs dual conditions. Results: Older adults required more time to complete the TUG when concurrently performing a second cognitive task (10.84 sec vs 15.77 sec). In addition, one or more gait characteristic such as stride length, cadence and stance explained (a) a high percentage of variance in mobility performance under single task conditions (TUG 74%) and (b) a smaller portion of variance in mobility performance under dual task conditions (TUGc 25%). No salient age group differences were observed in TUG performance, but gait characteristics accounted for a larger portion of variance in TUGc performance (46%) for the older age group (mean age=81) than for the younger age group (mean age=69; TUGc 18%).

Key words

Balance dual task condition gait mobility older adults 


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Copyright information

© Springer Internal Publishing Switzerland 2011

Authors and Affiliations

  1. 1.Department of Exercise ScienceUniversity of South CarolinaColumbiaUSA

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