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|a RJ399.C6 H65 2009_HolmesJason |2 BU-Local |
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|a Validity of air displacement plethysmography and multifrequency bio-impedance for estimating body composition in children : a comparison with the four-component model |h [electronic resource]. |
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|a Miami, Fla. : |b Barry University, |c 2009. |
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|a ix, 169 leaves : |b ill. ; |c 28 cm. |
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|a Barry University Theses -- School of Human Performance and Leisure Sciences. |
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|a Thesis (M.S.)--Barry University, 2009. |
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|a Includes bibliographical references (leaves 114-124) |
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|a Copyright Jason C. Holmes.Permission granted to Barry University to digitize, archive and distribute this item for non-profit research and educational purposes. Any reuse of this item in excess of fair use or other copyright exemptions requires permission of the copyright holder. |
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|a Purpose: The purpose of this study was to assess the validity of air displacement plethysmography (ADP) and multi-frequency bioelectrical impedance analysis (MF-BIA) for estimating body composition in children, relative to a four-component model. Methods: Comparisons were made between 1) body density (Db) estimates obtained by ADP with measured and predicted thoracic gas volume (TGV), 2) Db estimates obtained by ADP and hydrodensitometry (HD), 3) total body water (TBW) obtained by MF-BIA and deuterium isotope (D2O) dilution, and 4) percent body fat (%BF) estimates obtained by ADP and MF-BIA with various prediction equations and a reference four-component (4C) model in seventeen children (13 males and 4 females) aged 6-13 years. Results: It was shown that 1) Db obtained by ADP with measured TGV (1.0453 ± 0.01934 g·cm-3) was significantly greater than that obtained by ADP with predicted TGV (1.0415 ± 0.01858 g·cm-3), 2) there were no significant differences between the Db estimates from ADP and HD (1.0417 ± 0.02391 g·cm-3); however, the regression data (r = .737, r2 = .544, SEE = 0.001670 g·cm-3) did not meet the cross-validation criteria used in this study for estimating Db relative to HD, 3) TBW from MF-BIA (19.13 ± 5.882 L) was significantly lower than TBW from D2O dilution (20.59 ± 6.059 L), and 4) %BF from ADP was most accurate when using the Siri %BF prediction equation, and MF-BIA significantly overestimated %BF by more than 4.5%BF, regardless of the prediction equation used to convert TBW to %BF. Conclusion: More research is needed before ADP and MF-BIA can be recommended for routine use with children in clinical or research settings. |
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|a Electronic reproduction. |c Barry University, |d 2020. |f (Barry University Digital Collections) |n Mode of access: World Wide Web. |n System requirements: Internet connectivity; Web browser software. |
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|a Barry University Archives and Special Collections. |
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|a Barry University Digital Collections. |
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|a Theses and Dissertations. |
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|a BUDC |c Theses and Dissertations |
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|u http://sobekcmsrv.barrynet.barry.edu/AA00001659/00001 |y Click here for full text |
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|a https:/budc.barry.edu/content/AA/00/00/16/59/00001/RJ399_C6 H65 2009_HolmesJasonthm.jpg |
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|a Theses and Dissertations |
