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| Research article summary (published 30 Jan 2002): |
Motor performance deteriorates with simultaneously performed cognitive tasks in geriatric patients.
Full Abstract
OBJECTIVE:
To investigate whether simultaneous cognitive tasks influence maximal motor performance in frail geriatric patients with a history of injurious falls and different levels of cognitive function.
DESIGN:
Experimental 3-group design.
SETTING:
Geriatric rehabilitation hospital.
PARTICIPANTS:
Twenty-two healthy, young adults (mean age +/- standard deviation, 27.7 +/- 9y) and 23 geriatric patients (mean age, 80.9 +/- 5.4y) with a history of injurious falls with (Mini-Mental State Examination [MMSE] score, 20.5 +/- 1.6) and without (MMSE score, 28.1 +/- 1.2) cognitive impairment.
INTERVENTIONS:
Not applicable.
MAIN OUTCOME MEASURE:
Motor performance:
peak and integral of maximal isometric strength of leg extensors. Cognition:
semiautomated calculation steps (serial 2 forward) and nonautomated calculation steps derived from the MMSE (serial 7 retro). Motor and cognitive performances were examined as single and dual tasks.
RESULTS:
In frail geriatric patients, especially in patients with cognitive impairment, maximal motor performance decreased significantly during all dual tasks. Cognitive performance was reduced, depending on the task and group.
CONCLUSION:
In frail or cognitively impaired geriatric patients, additional tasks can substantially decrease maximal motor performance. Insufficient resources on dual tasking may thus be a link in connecting the high incidence of falls with frailty and cognitive impairment in geriatric patients with a history of injurious falls.Copyright 2002 by the American Congress of Rehabilitation Medicine and the American Academy of Physical Medicine and Rehabilitation
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Author information
Author/s: Hauer, Klaus (K); Marburger, Christian (C); Oster, Peter (P);
Affiliation: Bethanie-Kkrankenhaus/Geriatrisches Zentrum an der Universität Heidelberg, Heidelberg, Germany. klhauer@web.de
Journal and publication information
Publication Type: Clinical Trial; Controlled Clinical Trial; Journal Article; Research Support, Non-U.S. Gov't
Journal: Archives of physical medicine and rehabilitation (Arch Phys Med Rehabil), published in United States. (Language: eng)
Reference: 2002-Feb; vol 83 (issue 2) : pp 217-23
Dates: Created 2002/02/08; Completed 2002/02/27; Revised 2006/11/15;
PMID: 11833025, status: MEDLINE (last retrieval date: 11/6/2008)
Sourced from the National Library of Medicine. Abstract text and other information may be subject to copyright.
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