Characteristics of Gait Variability in the Elderly While Walking on a Treadmill with Gait Speed Variation.
coefficient of variance
elderly individuals
gait stability
gait variability
inertial measurement unit
spatiotemporal characteristics
Journal
International journal of environmental research and public health
ISSN: 1660-4601
Titre abrégé: Int J Environ Res Public Health
Pays: Switzerland
ID NLM: 101238455
Informations de publication
Date de publication:
28 04 2021
28 04 2021
Historique:
received:
22
03
2021
revised:
26
04
2021
accepted:
27
04
2021
entrez:
30
4
2021
pubmed:
1
5
2021
medline:
28
5
2021
Statut:
epublish
Résumé
Gait variability (GV), which is a variable for predicting mobility issues and risk of falling in elderly people, is defined as the fluctuation in spatiotemporal characteristics from one step to the next in walking. The goal of this study was to analyze the age- and sex-related spatiotemporal variability characteristics of elderly individuals using the measurements taken while walking on a treadmill for one minute based on gait speed variation. Gait testing was conducted on 225 healthy male and female individuals aged 60-79 years who were able to walk and move on their own and, specifically, walk on a treadmill for one minute. The test was performed at three speed conditions-the preferred speed of the participant, 20% higher than the preferred speed, and 20% lower than the preferred speed-and data were recorded using shoe-type data loggers. The different age groups and sex could be distinguished using the coefficient of variance (CV) of the double support phase and gait asymmetry (GA) at the preferred speed, and CVs of stride length and stance phase at faster speed. The results indicated that the values of GV obtained from the test were used to determine the variation in gait characteristics of elderly individuals.
Identifiants
pubmed: 33925047
pii: ijerph18094704
doi: 10.3390/ijerph18094704
pmc: PMC8125411
pii:
doi:
Types de publication
Journal Article
Research Support, Non-U.S. Gov't
Langues
eng
Sous-ensembles de citation
IM
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