Performance Analysis of a Postural Balance Assessment Mat Prototype Using Inertial Sensor

M Ghahramani, I Hosseini, D Herath - 2022 IEEE Sensors, 2022 - ieeexplore.ieee.org
M Ghahramani, I Hosseini, D Herath
2022 IEEE Sensors, 2022ieeexplore.ieee.org
Postural sway in older people can be indicative of risk of falling. Common sway assessment
methods are either subjective or require expensive and obtrusive measuring devices. In this
study, the performance of a Balance Mat prototype in postural sway assessment is
compared against an inertial measurement unit sensor. A total of 20 older participants con-
ducted six standing tests while standing on the Balance Mat and equipped with the sensor.
Several spatio-temporal and frequency domain sway measures were derived from the …
Postural sway in older people can be indicative of risk of falling. Common sway assessment methods are either subjective or require expensive and obtrusive measuring devices. In this study, the performance of a Balance Mat prototype in postural sway assessment is compared against an inertial measurement unit sensor. A total of 20 older participants con-ducted six standing tests while standing on the Balance Mat and equipped with the sensor. Several spatio-temporal and frequency domain sway measures were derived from the Balance Mat and the sensor data and the correlation between the corresponding measures of the two devices were tested. The results show strong to very strong correlation between common sway assessment metrics of sway range, RMS, path, distance, jerk, velocity, and total power. This suggests that this device is effective in postural sway assessment. The Balance Mat can offer unique advantages in postural sway assessment due to its light weight, portability, and ease of use.
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