Assessing a novel way to measure step count while walking using a custom mobile phone application

Walking speed has been associated with many clinical outcomes (e.g., frailty, mortality, joint replacement need, etc.). Accurately measuring walking speed (stride length x step count/time) typically requires significant clinician/staff time or a gait lab with specialized equipment (i.e., electronic...

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Bibliographic Details
Published in:PloS one 2018-11, Vol.13 (11), p.e0206828-e0206828
Main Authors: Hurt, Christopher P, Lein, Jr, Donald H, Smith, Christian R, Curtis, Jeffrey R, Westfall, Andrew O, Cortis, Jonathan, Rice, Clayton, Willig, James H
Format: Article
Language:English
Subjects:
Applications programs
Biology and Life Sciences
Calibration
Collection
Computer and Information Sciences
Computer programs
Data collection
Data processing
Engineering and Technology
Gait
Laboratories
Measurement methods
Measuring instruments
Medicine and Health Sciences
Methyltestosterone
Mobile computing
Motion capture
Motion perception
Older people
Parameters
Physical Sciences
Regression analysis
Regression models
Research and Analysis Methods
Smartphones
Software
Systematic review
Timing devices
Tracking
Walking
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Summary:Walking speed has been associated with many clinical outcomes (e.g., frailty, mortality, joint replacement need, etc.). Accurately measuring walking speed (stride length x step count/time) typically requires significant clinician/staff time or a gait lab with specialized equipment (i.e., electronic timers or motion capture). In the present study, our goal was to measure "step count" via smartphones through novel software and to compare with step tracking software that come standard with iOS and Android smartphones as a first step in walking speed measurement. A separate calibration and validation data collection was performed. Individuals in the calibration collection (n = 5) walked 20m at normal and slow speed (
ISSN:1932-6203
1932-6203
DOI:10.1371/journal.pone.0206828