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Using Smartphone Inertial Measurement Unit for Analysis of Human Gait

Using Smartphone Inertial Measurement Unit for Analysis of Human Gait

Sergey Reginya, Alexander Yu. Meigal, Liudmila I. Gerasimova-Meigal, Kirill Prokhorov, Alex Moschevikin
Copyright: © 2019 |Volume: 10 |Issue: 3 |Pages: 17
ISSN: 1947-3176|EISSN: 1947-3184|EISBN13: 9781522571988|DOI: 10.4018/IJERTCS.2019070107
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MLA

Reginya, Sergey, et al. "Using Smartphone Inertial Measurement Unit for Analysis of Human Gait." IJERTCS vol.10, no.3 2019: pp.101-117. http://doi.org/10.4018/IJERTCS.2019070107

APA

Reginya, S., Meigal, A. Y., Gerasimova-Meigal, L. I., Prokhorov, K., & Moschevikin, A. (2019). Using Smartphone Inertial Measurement Unit for Analysis of Human Gait. International Journal of Embedded and Real-Time Communication Systems (IJERTCS), 10(3), 101-117. http://doi.org/10.4018/IJERTCS.2019070107

Chicago

Reginya, Sergey, et al. "Using Smartphone Inertial Measurement Unit for Analysis of Human Gait," International Journal of Embedded and Real-Time Communication Systems (IJERTCS) 10, no.3: 101-117. http://doi.org/10.4018/IJERTCS.2019070107

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Abstract

The study was aimed at searching the characteristic features of a human gait during a conventionally used neurologic walking test with the help of sensors (3D accelerometer and gyroscope) in a smartphone mounted on the person's head. This allowed reducing the amount of analyzed data and saving time for analysis in comparison with motion video capture methods. It has been found that merely one inertial unit is good enough to detect the gait left-right asymmetry in healthy subjects. Several parameters were derived, one of them (acceleration shock) proved to be the most informative one. The gyroscope signal allowed detecting the characteristics of the gait in Parkinson's disease patients seen as the excess of the power spectrum density in all three axes. Therefore, this study was aimed to extract amplitude and spectral parameters from acceleration and rotation rate signals of smartphone-based IMU attached to the head during the long version of the TUG test in a group of neurologically healthy young subjects.

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