Age-specific differences in gait domains and global cognitive function in older women: gait characteristics based on gait speed modification.
Gait
Global cognitive function
Inertial measurement unit
Older women
Walking
Wearable sensor
Journal
PeerJ
ISSN: 2167-8359
Titre abrégé: PeerJ
Pays: United States
ID NLM: 101603425
Informations de publication
Date de publication:
2020
2020
Historique:
received:
29
10
2019
accepted:
28
02
2020
entrez:
27
3
2020
pubmed:
27
3
2020
medline:
27
3
2020
Statut:
epublish
Résumé
Several studies have reported the association between gait and global cognitive function; however, there is no study explaining the age-specific gait characteristics of older women and association between those characteristics and global cognitive function by age-specific differences and gait speed modification. The aim of this study was to examine age-specific differences in gait characteristics and global cognitive function in older women as well as identify gait domains strongly associated with global cognitive function in older women based on gait speed modification. One hundred sixty-four female participants aged 65-85 years were examined. Participants were assessed for global cognitive function through the mini-mental state examination. They also performed three trials of the overground walking test along a straight 20 m walkway. Inertial measurement unit sensors with shoe-type data loggers on both the left and right outsoles were used to measure gait characteristics. The pace at all speeds and the variability and phase at faster speeds were altered in women aged >75 years (all pace domain parameters, The variability and phase domains at faster speeds were considered to identify gait changes that accompany aging. In addition, the decreases in global cognitive function are associated with increased variability and phase domains caused by changes in gait speed in older women. Our results are considered useful for understanding age-related gait characteristics with global cognitive function in old women.
Sections du résumé
BACKGROUND
BACKGROUND
Several studies have reported the association between gait and global cognitive function; however, there is no study explaining the age-specific gait characteristics of older women and association between those characteristics and global cognitive function by age-specific differences and gait speed modification. The aim of this study was to examine age-specific differences in gait characteristics and global cognitive function in older women as well as identify gait domains strongly associated with global cognitive function in older women based on gait speed modification.
METHODS
METHODS
One hundred sixty-four female participants aged 65-85 years were examined. Participants were assessed for global cognitive function through the mini-mental state examination. They also performed three trials of the overground walking test along a straight 20 m walkway. Inertial measurement unit sensors with shoe-type data loggers on both the left and right outsoles were used to measure gait characteristics.
RESULTS
RESULTS
The pace at all speeds and the variability and phase at faster speeds were altered in women aged >75 years (all pace domain parameters,
DISCUSSION
CONCLUSIONS
The variability and phase domains at faster speeds were considered to identify gait changes that accompany aging. In addition, the decreases in global cognitive function are associated with increased variability and phase domains caused by changes in gait speed in older women.
CONCLUSION
CONCLUSIONS
Our results are considered useful for understanding age-related gait characteristics with global cognitive function in old women.
Identifiants
pubmed: 32211246
doi: 10.7717/peerj.8820
pii: 8820
pmc: PMC7081786
doi:
Types de publication
Journal Article
Langues
eng
Pagination
e8820Informations de copyright
© 2020 Noh et al.
Déclaration de conflit d'intérêts
The authors declare that they have no competing interests.
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