Influence of single and dual tasks on gait stability and gait speed in the elderly : An explorative study.
Einfluss von Einfach- und Doppelaufgaben auf Gangstabilität und Ganggeschwindigkeit bei älteren Menschen : Eine explorative Studie.
Attention focus
Frailty
Gait parameter
Journal
Zeitschrift fur Gerontologie und Geriatrie
ISSN: 1435-1269
Titre abrégé: Z Gerontol Geriatr
Pays: Germany
ID NLM: 9506215
Informations de publication
Date de publication:
Feb 2019
Feb 2019
Historique:
received:
23
08
2016
accepted:
09
06
2017
pubmed:
1
7
2017
medline:
8
10
2019
entrez:
30
6
2017
Statut:
ppublish
Résumé
Gait stability during dual tasks is important for elderly persons, especially for elderly individuals in need of care. A study was conducted to assess gait stability by using Lyapunov exponents (λS) during single task and dual task conditions in independently living elderly people (Go-Goes) and elderly people in need of care (No-Goes). This study was conducted with 26 participants (average age 82 ± 9.4 years) who were allocated to the Go-Goes or No-Goes group. Outcomes were mediolateral and vertical Lyapunov exponents (λS) from accelerometer data and gait speed under single task and dual task conditions. In both groups significantly higher mediolateral and vertical Lyapunov exponent values as well as significantly lower walking speeds under dual task conditions were found in both groups. The effect sizes were small to moderate for mediolateral λS and large for vertical λS and these differences remained when the analyses were adjusted for walking speed. Elderly people showed lower gait stability and gait speed under dual task conditions compared to single task conditions.
Sections du résumé
BACKGROUND
BACKGROUND
Gait stability during dual tasks is important for elderly persons, especially for elderly individuals in need of care. A study was conducted to assess gait stability by using Lyapunov exponents (λS) during single task and dual task conditions in independently living elderly people (Go-Goes) and elderly people in need of care (No-Goes).
MATERIAL AND METHODS
METHODS
This study was conducted with 26 participants (average age 82 ± 9.4 years) who were allocated to the Go-Goes or No-Goes group. Outcomes were mediolateral and vertical Lyapunov exponents (λS) from accelerometer data and gait speed under single task and dual task conditions.
RESULTS
RESULTS
In both groups significantly higher mediolateral and vertical Lyapunov exponent values as well as significantly lower walking speeds under dual task conditions were found in both groups. The effect sizes were small to moderate for mediolateral λS and large for vertical λS and these differences remained when the analyses were adjusted for walking speed.
CONCLUSION
CONCLUSIONS
Elderly people showed lower gait stability and gait speed under dual task conditions compared to single task conditions.
Identifiants
pubmed: 28660532
doi: 10.1007/s00391-017-1279-2
pii: 10.1007/s00391-017-1279-2
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
23-27Références
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