Comparison of bipolar and tetrapolar impedance techniques for assessing fat mass

American Journal of Human Biology : the Official Journal of the Human Biology Council
Manuela Dittmar

Abstract

Whole body fat mass (BF) can be predicted by different bioimpedance (BIA) techniques measuring the whole body (tetrapolar hand-to-foot technique, HF), lower body (bipolar foot-to-foot technique, FF), or upper body (bipolar hand-to-hand technique, HH). This study analyzed 146 healthy volunteers (age 18-84 years) for whether these three techniques differ in their estimates of BF, and whether sex and age of the subjects influence estimates of BF. Reproducibility of the techniques was tested by calculating the technical error (TE). Effects of BIA technique, sex, and age on predicted BF were analyzed with ANOVA for repeated measurements in a mixed effect design. Results showed high reproducibility for the three BIA techniques (TE = 0.01-0.03 kg). ANOVA indicated interactions between BIA technique and sex (P = 0.035), BIA technique and age (P < 0.001), as well as effects of sex (P = 0.004) and age (P = 0.001) on variation in BF. The HH technique gave the highest values for BF in males, but lowest values in females, whereas the reverse was found for the FF technique. The HH technique yielded the lowest values for BF in young adults, but highest values in older ones. The reverse was noted for the FF technique. The data suggest that the...Continue Reading

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Feb 28, 2019·Mauro Giovanni Carta

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Citations

Jun 27, 2013·BMC Pediatrics·Caroline E BoekeMatthew W Gillman
Oct 7, 2016·Obesity Science & Practice·Sílvia M AlmeidaFernando P Ferraz
Apr 11, 2007·American Journal of Human Biology : the Official Journal of the Human Biology Council·Krista A VaradyPeter J H Jones
Jul 22, 2010·Journal of Strength and Conditioning Research·Michael R EscoAngela R Russell

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