Empowering aging adults: waist-worn sensors may revolutionize independent activity monitoring and promote healthy aging PLOSONE waistsensors anklesensors agingpopulation physicalactivity aging
By Pooja Toshniwal PahariaJun 13 2023Reviewed by Lily Ramsey, LLM In a recent study published in PLOS ONE, researchers investigated whether waist-mounted sensors could evaluate gait parameters reflecting older adults' speed, distance covered, and physical activity .
Gait characteristics can be ascertained to assess PA levels among older individuals since walking is the preferred form of exercise in the geriatric population. About the study In the present study, researchers compared step count readings captured by inertial sensors placed at the waist and ankle to those of a criteria step count measure obtained by visual inspection. They also compared gait features based on the data recorded by the sensors.
Only individuals who were independently mobile, physically capable of physical activity and mobility tests, without neurological or cognitive deficits or a history of orthopedic surgery or trauma in the previous year were included. For older adults, video recordings were made during the walk tests and observed retrospectively to obtain the criterion measurement of step count among older adults.
Moderate correlations were observed between the measures of step time variability recorded by the sensors for older individuals, while the correlation was poor for younger individuals. Stride asymmetry showed poor correlations among younger and older adults.
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