The effect of postural orientation on body composition and total body water estimates produced by smartwatch bioelectrical impedance analysis: an intra- and inter-device evaluation
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Bennett JP, Liu YE, Kelly NN, Quon BK, Wong MC, McCarthy C, et al. Next-generation smart watches to estimate whole-body composition using bioimpedance analysis: accuracy and precision in a diverse, multiethnic sample. Am J Clinical Nutr. 2022;116:1418–29. https://doi.org/10.1093/ajcn/nqac200BennettJPLiuYEKellyNNQuonBKWongMCMcCarthyCNext-generation smart watches to estimate whole-body composition using bioimpedance analysis: accuracy and precision in a diverse, multiethnic sample. . 2022;116:1418–29. https://doi.org/10.1093/ajcn/nqac200Search in Google Scholar
Shandhi MMH, Singh K, Janson N, Ashar P, Singh G, Lu B, et al. Assessment of ownership of smart devices and the acceptability of digital health data sharing. NPJ Digit Med. 2024;7:44. https://doi.org/10.1038/s41746-024-01030-xShandhiMMHSinghKJansonNAsharPSinghGLuBAssessment of ownership of smart devices and the acceptability of digital health data sharing. . 2024;7:44. https://doi.org/10.1038/s41746-024-01030-xSearch in Google Scholar
Brandner CF, Tinsley GM, Graybeal AJ. Smartwatch-based bioimpedance analysis for body composition estimation: precision and agreement with a 4-compartment model. Appl Physiol Nutr Metab. 2022;48:172–82. https://doi.org/10.1139/apnm-2022-0301BrandnerCFTinsleyGMGraybealAJ.Smartwatch-based bioimpedance analysis for body composition estimation: precision and agreement with a 4-compartment model. . 2022;48:172–82. https://doi.org/10.1139/apnm-2022-0301Search in Google Scholar
Graybeal AJ, Tinsley GM, Brandner CF, Aultman R. Raw bioelectrical impedance measurements are not different between White and Black adults when matched for sex, age, BMI, and other physical characteristics. Nutr Res. 2023;112:1–10. https://doi.org/10.1016/j.nutres.2023.02.003GraybealAJTinsleyGMBrandnerCFAultmanR.Raw bioelectrical impedance measurements are not different between White and Black adults when matched for sex, age, BMI, and other physical characteristics. . 2023;112:1–10. https://doi.org/10.1016/j.nutres.2023.02.003Search in Google Scholar
Maw GJ, Mackenzie IL, Taylor N a. S. Redistribution of body fluids during postural manipulations. Acta Physiol Scand. 1995;155:157–63. https://doi.org/10.1111/j.1748-1716.1995.tb09960.xMawGJMackenzieILTaylorN a. S.Redistribution of body fluids during postural manipulations. . 1995;155:157–63. https://doi.org/10.1111/j.1748-1716.1995.tb09960.xSearch in Google Scholar
Hamilton-James K, Collet TH, Pichard C, Genton L, Dupertuis YM. Precision and accuracy of bioelectrical impedance analysis devices in supine versus standing position with or without retractable handle in Caucasian subjects. Clin Nutr ESPEN. 2021;45:267–74. https://doi.org/10.1016/j.clnesp.2021.08.010Hamilton-JamesKColletTHPichardCGentonLDupertuisYM.Precision and accuracy of bioelectrical impedance analysis devices in supine versus standing position with or without retractable handle in Caucasian subjects. . 2021;45:267–74. https://doi.org/10.1016/j.clnesp.2021.08.010Search in Google Scholar
Graybeal AJ, Moore ML, Cruz MR, Tinsley GM. Body composition assessment in male and female bodybuilders: a 4-compartment model comparison of dual-energy X-ray absorptiometry and impedance-based devices. J Strength Cond Res. 2020;34:1676–89. https://doi.org/10.1519/JSC.0000000000002831GraybealAJMooreMLCruzMRTinsleyGM.Body composition assessment in male and female bodybuilders: a 4-compartment model comparison of dual-energy X-ray absorptiometry and impedance-based devices. . 2020;34:1676–89. https://doi.org/10.1519/JSC.0000000000002831Search in Google Scholar
Moon JR, Smith AE, Tobkin SE, Lockwood CM, Kendall KL, Graef JL, et al. Total body water changes after an exercise intervention tracked using bioimpedance spectroscopy: a deuterium oxide comparison. Clin Nutr. 2009;28:516–25. https://doi.org/10.1016/j.clnu.2009.04.025MoonJRSmithAETobkinSELockwoodCMKendallKLGraefJLTotal body water changes after an exercise intervention tracked using bioimpedance spectroscopy: a deuterium oxide comparison. . 2009;28:516–25. https://doi.org/10.1016/j.clnu.2009.04.025Search in Google Scholar
Tinsley GM, Siedler MR, Rodriguez C, Harty PS, Stratton MT, White SJ, et al. Evaluation of novel beverage formulations for hydration enhancement in humans. J Electr Bioimpedance. 2022;14:3–12. https://doi.org/10.2478/joeb-2023-0002TinsleyGMSiedlerMRRodriguezCHartyPSStrattonMTWhiteSJEvaluation of novel beverage formulations for hydration enhancement in humans. . 2022;14:3–12. https://doi.org/10.2478/joeb-2023-0002Search in Google Scholar
Graybeal AJ, Brandner CF, Stavres J. Conflicting associations among bioelectrical impedance and cardiometabolic health parameters in young White and Black adults. Med Sci Sports Exerc. 2024;56:418–26. https://doi.org/10.1249/MSS.0000000000003321GraybealAJBrandnerCFStavresJ.Conflicting associations among bioelectrical impedance and cardiometabolic health parameters in young White and Black adults. . 2024;56:418–26. https://doi.org/10.1249/MSS.0000000000003321Search in Google Scholar
Tinsley GM, Moore ML, Graybeal AJ. Precision of dual-energy X-ray absorptiometry reflection scans in muscular athletes. J Clin Densitom. 2020;23:647–55. https://doi.org/10.1016/j.jocd.2018.09.005TinsleyGMMooreMLGraybealAJ.Precision of dual-energy X-ray absorptiometry reflection scans in muscular athletes. . 2020;23:647–55. https://doi.org/10.1016/j.jocd.2018.09.005Search in Google Scholar
Bredella MA. Sex Differences in body composition. Adv Exp Med Biol. 2017;1043:9–27. https://doi.org/10.1007/978-3-319-70178-3_2BredellaMA.Sex Differences in body composition. . 2017;1043:9–27. https://doi.org/10.1007/978-3-319-70178-3_2Search in Google Scholar
Ritz P, Vol S, Berrut G, Tack I, Arnaud MJ, Tichet J. Influence of gender and body composition on hydration and body water spaces. Clin Nutr. 2008;27:740–6. https://doi.org/10.1016/j.clnu.2008.07.010RitzPVolSBerrutGTackIArnaudMJTichetJ.Influence of gender and body composition on hydration and body water spaces. . 2008;27:740–6. https://doi.org/10.1016/j.clnu.2008.07.010Search in Google Scholar