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dc.contributor.authorHernando, Carlos
dc.contributor.authorHERNANDO, CARLA
dc.contributor.authorCollado-Boira, Eladio
dc.contributor.authorPanizo, Nayara
dc.contributor.authorMARTINEZ-NAVARRO, IGNACIO
dc.contributor.authorHernando, Barbara
dc.date.accessioned2018-09-14T07:41:13Z
dc.date.available2018-09-14T07:41:13Z
dc.date.issued2018-08
dc.identifier.citationHernando C, Hernando C, Collado EJ, Panizo N, Martinez-Navarro I, Hernando B (2018) Establishing cut-points for physical activity classification using triaxial accelerometer in middle-aged recreational marathoners. PLoS ONE 13(8): e0202815ca_CA
dc.identifier.urihttp://hdl.handle.net/10234/176049
dc.description.abstractThe purpose of this study was to establish GENEA (Gravity Estimator of Normal Everyday Activity) cut-points for discriminating between six relative-intensity activity levels in middle-aged recreational marathoners. Nighty-eight (83 males and 15 females) recreational marathoners, aged 30–45 years, completed a cardiopulmonary exercise test running on a treadmill while wearing a GENEA accelerometer on their non-dominant wrist. The breath-by-breath V̇O2 data was also collected for criterion measure of physical activity categories (sedentary, light, moderate, vigorous, very vigorous and extremely vigorous). GENEA cut-points for physical activity classification was performed via Receiver Operating Characteristic (ROC) analysis. Spearman’s correlation test was applied to determine the relationship between estimated and measured intensity classifications. Statistical analysis were done for all individuals, and separating samples by sex. The GENEA cut-points established were able to distinguish between all six-relative intensity levels with an excellent classification accuracy (area under the ROC curve (AUC) values between 0.886 and 0.973) for all samples. When samples were separated by sex, AUC values were 0.881–0.973 and 0.924–0.968 for males and females, respectively. The total variance in energy expenditure explained by GENEA accelerometer data was 78.50% for all samples, 78.14% for males, and 83.17% for females. In conclusion, the wrist-worn GENEA accelerometer presents a high capacity of classifying the intensity of physical activity in middle-aged recreational marathoners when examining all samples together, as well as when sample set was separated by sex. This study suggests that the triaxial GENEA accelerometers (worn on the non-dominant wrist) can be used to predict energy expenditure for running activities.ca_CA
dc.format.extent13 p.ca_CA
dc.format.mimetypeapplication/pdfca_CA
dc.language.isoengca_CA
dc.publisherPlosca_CA
dc.rights© 2018 Hernando et al.ca_CA
dc.rightsAtribución 4.0 Internacional*
dc.rights.urihttp://creativecommons.org/licenses/by-sa/4.0/*
dc.titleEstablishing cut-points for physical activity classification using triaxial accelerometer in middle-aged recreational marathonersca_CA
dc.typeinfo:eu-repo/semantics/articleca_CA
dc.identifier.doihttps://doi.org/10.1371/journal.pone.0202815
dc.rights.accessRightsinfo:eu-repo/semantics/openAccessca_CA
dc.relation.publisherVersionhttps://journals.plos.org/plosone/article?id=10.1371/journal.pone.0202815ca_CA
dc.contributor.funderCurrent research was funded by Fundación Trinidad Alfonso and Vithas-Nisa Hospitals groupca_CA
dc.type.versioninfo:eu-repo/semantics/publishedVersionca_CA


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© 2018 Hernando et al.
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