Abstract
Background
Up to now there have only been marginal data in the elderly in need of care regarding spatiotemporal gait parameters during single (ST) and dual tasking (DT).
Aim
The aim of this study was to allocate data for gait speed, cadence and stride length cycle variability in the elderly in need of care and in young adults during ST and DT, to compare the two groups and to demonstrate the impact of ST and DT on gait parameters.
Material and methods
This cross-sectional study investigated a group of 16 young healthy adults (mean age 23.0 ± 2.5 years) and a group of 16 elderly persons in need of care (mean age 85.5 ± 0.6 years). The RehaWatch® system was used to collect the spatiotemporal gait parameters cadence, speed and stride length. The participants completed four different measurements during normal walking and fast walking during ST and DT over a walking distance of 20 m. The Wilcoxon rank sum test and Whitney-U test were used for statistical analysis.
Results
Gait speed (ST and DT: p < 0.001), cadence (ST and DT: p < 0.001) and gait variability (ST: p = 0.007, DT: p = 0.003) were significantly reduced in the elderly in need of care group compared to the young group. The gait speed in the elderly in need of care group decreased from normal to fast walking (ST = − 2.8 %, DT = − 12.2 %) compared to the young group (ST = 31.5 %, DT = 25.2 %).
Conclusion
The results of this study are comparable with the results of existing studies, which investigated falling and non-falling participants. Elderly people in need of care cannot increase the normal gait speed.
Zusammenfassung
Hintergrund
Bisher gibt es kaum Daten von pflegebedürftigen älteren Menschen bezüglich Gangparameter während Einfach- (EA) und Doppelaufgaben (DA).
Ziel
Das Ziel dieser Studie war es, Gangparameter wie Gehgeschwindigkeit, Kadenz und Gangvariabilität der Doppelschrittlänge bei pflegebedürftigen älteren und jungen gesunden Probanden zu erheben, innerhalb der und zwischen den Gruppen zu vergleichen und die Auswirkungen von EA und DA auf die Gangparameter aufzuzeigen.
Material und Methoden
In dieser Querschnittstudie wurde eine Gruppe von 16 jungen gesunden (23,0 ± 2,5 Jahre) und eine Gruppe von 16 pflegebedürftigen Probanden (85,5 ± 0,6 Jahre) untersucht. Mit Hilfe des RehaWatch®-Systems wurden Gehgeschwindigkeit, Kadenz, und Gangvariabilität der Doppelschrittlänge erhoben. Hierbei wurden 4 verschiedene Messdurchgänge während normalen und schnellen Gehens unter EA und DA auf einer Gehstrecke von 20 m absolviert. Für die statistische Auswertung wurden der Wilcoxon-Rang-Summentest und der Mann-Whitney-U-Test verwendet.
Ergebnisse
Gehgeschwindigkeit (EA und DA: p < 0,001), Kadenz (EA und DA: p < 0,001) und Gangvariabilität der Doppelschrittlänge (EA: p = 0,007, DA: p = 0,003) sind bei der pflegebedürftigen Gruppe signifikant niedriger in der Gruppe der jungen Probanden. Die Gehgeschwindigkeit in der pflegebedürftigen Gruppe reduzierte sich vom normal schnellen zum schnellen Gehen (EA = − 2,8 %, DA = − 12,2 %) im Vergleich zur jungen Gruppe (EA = 31,5 %, DA = 25,2 %).
Schlussfolgerung
Die Ergebnisse dieser Untersuchung sind vergleichbar mit denen früherer Untersuchungen in denen ältere Probanden nach Sturzereignissen und jüngere Probanden untersucht wurden. Pflegebedürftige Ältere können ihre normale Gehgeschwindigkeit nicht mehr steigern.
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The authors thank Bennie Ross for proofreading.
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S. Agner, J. Bernet, Y. Brülhart, L. Radlinger and S. Rogan state that there are no financial or personal conflicts of interest in relation to this article or any other organizations or people.
All participants in this study provided informed consent. All studies on humans described in this manuscript were carried out with the approval of the local ethics committee of the Canton of Bern (KEK Nr. 147/12) and in accordance with national law and the Helsinki Declaration of 1975 (in its current revised form).
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Agner, S., Bernet, J., Brülhart, Y. et al. Spatiotemporal gait parameters during dual task walking in need of care elderly and young adults. Z Gerontol Geriat 48, 740–746 (2015). https://doi.org/10.1007/s00391-015-0884-1
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DOI: https://doi.org/10.1007/s00391-015-0884-1