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Validity of near‐infrared interactance ( FUTREX 6100/ XL ) for estimating body fat percentage in elite rowers
Author(s) -
Fukuda David H.,
Wray Mandy E.,
Kendall Kristina L.,
SmithRyan Abbie E.,
Stout Jeffrey R.
Publication year - 2017
Publication title -
clinical physiology and functional imaging
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.608
H-Index - 67
eISSN - 1475-097X
pISSN - 1475-0961
DOI - 10.1111/cpf.12328
Subject(s) - hydrostatic weighing , medicine , zoology , population , limits of agreement , rowing , anaerobic exercise , body weight , endocrinology , nuclear medicine , physical therapy , biology , environmental health , history , archaeology
Summary This investigation aimed to compare hydrostatic weighing ( HW ) with near‐infrared interactance ( NIR ) and skinfold measurements ( SKF ) in estimating body fat percentage ( FAT %) in rowing athletes. FAT % was estimated in 20 elite male rowers (mean ±  SD : age = 24·8 ± 2·2 years, height = 191·0 ± 6·8 cm, weight = 86·8 ± 11·3 kg, HW FAT % = 11·50 ± 3·16%) using HW with residual volume, 3‐site SKF and NIR on the biceps brachii . Predicted FAT % values for NIR and SKF were validated against the criterion method of HW . Constant error was not significant for NIR (−0·06, P  = 0·955) or SKF (−0·20, P  = 0·813). Neither NIR ( r  = 0·045) nor SKF ( r  = 0·229) demonstrated significant validity coefficients when compared to HW . The standard error of the estimate values for NIR and SKF were both less than 3·5%, while total error was 4·34% and 3·60%, respectively. When compared to HW , SKF and NIR provide similar mean values when compared to HW , but the lack of apparent relationships between individual values and borderline unacceptable total error may limit their application in this population.

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