Assessment of Thigh Angular Velocity by an Activity Monitor to Describe Sit-to-Stand Performance.
accelerometer
activity monitor
angular velocity
reliability
sit-to-stand
validity
Journal
Sensors (Basel, Switzerland)
ISSN: 1424-8220
Titre abrégé: Sensors (Basel)
Pays: Switzerland
ID NLM: 101204366
Informations de publication
Date de publication:
11 Feb 2022
11 Feb 2022
Historique:
received:
30
12
2021
revised:
03
02
2022
accepted:
09
02
2022
entrez:
26
2
2022
pubmed:
27
2
2022
medline:
3
3
2022
Statut:
epublish
Résumé
The assessment of sit-to-stand (STS) performance is highly relevant, especially in older persons, but testing STS performance in the laboratory does not necessarily reflect STS performance in daily life. Therefore, the aim was to validate a wearable sensor-based measure to be used under unsupervised daily life conditions. Since thigh orientation from horizontal to vertical is characteristic for STS movement, peak angular velocity (PAV) of the thigh was chosen as the outcome variable. A total of 20 younger and older healthy persons and geriatric patients (mean age: 55.5 ± 20.8 years; 55% women) with a wide range of STS performance were instructed to stand up from a chair at their usual pace. STS performance was measured by an activity monitor, force plates, and an opto-electronic system. The association between PAV measured by the thigh-worn activity monitor and PAV measured by the opto-electronic system (gold standard) was r = 0.74. The association between PAV measured by the thigh-worn activity monitor and peak power measured by force plate and opto-electronic system was r = 0.76. The Intra-Class Coefficient (ICC) of agreement between the 2 trials was ICC
Identifiants
pubmed: 35214307
pii: s22041405
doi: 10.3390/s22041405
pmc: PMC8962967
pii:
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
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