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dc.contributor.authorGarcía-Pinillos, Felipe-
dc.contributor.authorLatorre-Román, Pedro Á.-
dc.contributor.authorSoto-Hermoso, Víctor M.-
dc.contributor.authorPárraga-Montilla, Juan A.-
dc.contributor.authorRamírez-Campillo, Rodrigo-
dc.contributor.authorRoche-Seruendo, Luis Enrique-
dc.identifier.citationGarcía-Pinillos F, Latorre-Román PÁ, Soto-Hermoso VM, Párraga-Montilla JA, Pantoja-Vallejo A, Ramírez-Campillo R, et al. (2019) Agreement between the spatiotemporal gait parameters from two different wearable devices and high-speed video analysis. PLoS ONE 14(9): e0222872.
dc.description.abstractThis study aimed to evaluate the concurrent validity of two different inertial measurement units for measuring spatiotemporal parameters during running on a treadmill, by comparing data with a high-speed video analysis (VA) at 1,000 Hz. Forty-nine endurance runners performed a running protocol on a treadmill at comfortable velocity (i.e., 3.25 ± 0.36 m.s-1). Those wearable devices (i.e., Stryd™ and RunScribe™ systems) were compared to a high-speed VA, as a reference system for measuring spatiotemporal parameters (i.e. contact time [CT], flight time [FT], step frequency [SF] and step length [SL]) during running at comfortable velocity. The pairwise comparison revealed that the Stryd™ system underestimated CT (5.2%, p < 0.001) and overestimated FT (15.1%, p < 0.001) compared to the VA; whereas the RunScribe™ system underestimated CT (2.3%, p = 0.009). No significant differences were observed in SF and SL between the wearable devices and VA. The intra class correlation coefficient (ICC) revealed an almost perfect association between both systems and high-speed VA (ICC > 0.81). The Bland-Altman plots revealed heteroscedasticity of error (r2 = 0.166) for the CT from the Stryd™ system, whereas no heteroscedasticity of error (r2 < 0.1) was revealed in the rest of parameters. In conclusion, the results obtained suggest that both foot pods are valid tools for measuring spatiotemporal parameters during running on a treadmill at comfortable velocity. If the limits of agreement of both systems are considered in respect to high-speed VA, the RunScribe™ seems to be a more accurate system for measuring temporal parameters and SL than the Stryd™ system.es_ES
dc.format.extent11 p.es_ES
dc.publisherDaniel Boullosa, University of Brasilia, BRAZILes_ES
dc.relation.requiresAdobe PDFes_ES
dc.rightsAtribución 4.0 Internacional*
dc.subjectSpatiotemporal parameterses_ES
dc.subjectRunning at comfortable velocityes_ES
dc.titleAgreement between the spatiotemporal gait parameters from two different wearable devices and high-speed video analysises_ES
dc.subject.unescoEstudio de casoes_ES
dc.subject.unescoDesarrollo fisiológicoes_ES
dc.subject.unescoDesarrollo de la carreraes_ES
dc.identifier.doi Ses_ES
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