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Reliability and validity of running step rate derived from a novel wearable Smart Patch
Department of Health Sciences, Mid Sweden University, 83125 Östersund, Sweden; Faculty of Sport, University of Ljubljana, 1000 Ljubljana, Slovenia.
Institute of kinesiology, University of Ljubljana, Slovenia.
Division of Microsystems Technology, Department of Materials Science and Engineering, Ångström Laboratory, Uppsala University, 751 03 Uppsala, Sweden.
STMicroelectronics, Milan, Italy.
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2024 (English)In: IEEE Sensors Journal, ISSN 1530-437X, E-ISSN 1558-1748Article in journal (Refereed) Accepted
Abstract [en]

A novel, wearable, stretchable Smart Patch can monitor various aspects of physical activity, including the dynamics of running. However, like any new device developed for such applications, it must first be tested for validity and reliability. Here, we compare the step rate while running on a treadmill measured by this smart patch with the corresponding values obtained with the ”gold standard” OptoGait, as well as with other devices commonly used to assess running dynamics, i.e., the MEMS accelerometer and commercially available and widely used Garmin Running Dynamic Pod. The 14 healthy, physically active volunteers completed two identical sessions with a 5-minute rest between. Each session involved two one-minute runs at 11 km/h and 14 km/h separated by a one-min rest. The major finding was that the Smart Patch demonstrated fair to good test-retest reliability. The best test-retest reliability for the Running Pod was observed in connection with running at 11 km/h and both velocities combined (good and excellent, respectively) and for the OptoGait when running at 14 km/h (good). The best concurrent validity was achieved with the Smart Patch, as reflected in the highest Pearson correlation coefficient for this device when running at 11 or 14 km/h, as well as for both velocities combined. In conclusion, this study demonstrates that the novel wearable Smart Patch shows promising reliability and excellent concurrent validity in measuring step rate during treadmill running, making it a viable tool for both research and practical applications in sports and exercise science.

Place, publisher, year, edition, pages
IEEE, 2024.
Keywords [en]
Garmin Running Pod, MEMS accelerometers, OptoGait, reliability, running, Smart Patch, treadmill, validity
National Category
Sport and Fitness Sciences
Research subject
Physiotherapy; Centre - Centre for Sports and Performance Technology (SPORTC)
Identifiers
URN: urn:nbn:se:ltu:diva-104866DOI: 10.1109/JSEN.2024.3370304Scopus ID: 2-s2.0-85187352291OAI: oai:DiVA.org:ltu-104866DiVA, id: diva2:1846772
Funder
EU, Horizon 2020, 824984
Note

Full text license: CC BY-NC-ND 4.0;

Available from: 2024-03-25 Created: 2024-03-25 Last updated: 2024-03-25

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Holmberg, Hans-Christer

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