Validation of an inertial-based contact and swing time algorithm for running analysis from a foot mounted IoT enabled wearable

Young, Fraser, Stuart, Sam, Morris, Rosie, Downs, Craig, Coleman, Martin and Godfrey, Alan (2021) Validation of an inertial-based contact and swing time algorithm for running analysis from a foot mounted IoT enabled wearable. In: 43rd Annual International Conference of the IEEE Engineering in Medicine and Biology Society: Changing Global Healthcare in the Twenty-first Century, 30 Oct-5 Nov 2021, Guadalajara, Mexico. (In Press)

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Abstract

Running gait assessment for shoe type recommendation to avoid injury often takes place within commercial premises. That is not representative of a natural running environment and may influence normal/usual running characteristics. Typically, assessments are costly and performed by an untrained biomechanist or physiotherapist. Thus, use of a low-cost assessment of running gait to recommend shoe type is warranted. Indeed, the recent impact of COVID has heightened the need for a shift toward remote assessment in general due to social-distancing guidelines and restriction of movement to bespoke assessment facilities. Mymo is a Bluetooth-enabled, inertial measurement unit (IMU) wearable worn on the foot. The wearable transmits inertial data via a smartphone application to the Cloud, where algorithms work to recommend a running shoe based upon the users/runner’s pronation and foot-strike location/pattern. Here, an additional algorithm is presented to quantify ground contact time and swing/flight time within the Mymo platform to further inform the assessment of a runner’s gait. A large cohort of healthy adult and adolescents (n=203, 91M:112F) were recruited to run on a treadmill while wearing the Mymo wearable. Validity of the inertial-based algorithm to quantify ground contact time was established through manual labelling of reference standard ground truth video data, with a presented accuracy between 96.6-98.7 across the two classes with respect to each foot.

Item Type: Conference or Workshop Item (Paper)
Department: Faculties > Engineering and Environment > Computer and Information Sciences
Faculties > Health and Life Sciences > Sport, Exercise and Rehabilitation
Related URLs:
Depositing User: John Coen
Date Deposited: 15 Sep 2021 14:12
Last Modified: 15 Sep 2021 14:15
URI: http://nrl.northumbria.ac.uk/id/eprint/47205

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