Body fat percent assessment between electrical impedance myography and dual X‐ray absorptiometry

Objectives To compare total and regional body fat percent (BF%) measurements obtained using a handheld electrical impedance myography (EIM) device in comparison to BF% measured by dual X‐ray absorptiometry (DXA). Methods Sixty‐nine male and female (33 males/36 females; age = 21.9 ± 2.0 years, body m...

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Bibliographic Details
Published in:	American journal of human biology Vol. 32; no. 2; pp. e23330 - n/a
Main Authors:	Czeck, Madeline A., Raymond‐Pope, Christiana J., Prescott, Elyse, Bisch, Katie L., Dengel, Donald R.
Format:	Journal Article
Language:	English
Published:	Hoboken, USA John Wiley & Sons, Inc 01-03-2020 Wiley Subscription Services, Inc
Subjects:	Absorptiometry Arm Body fat Body mass Body mass index Body size Dual energy X-ray absorptiometry Electrical impedance Females Impedance Leg Males Quadriceps muscle Regional analysis X-rays
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Summary:	Objectives To compare total and regional body fat percent (BF%) measurements obtained using a handheld electrical impedance myography (EIM) device in comparison to BF% measured by dual X‐ray absorptiometry (DXA). Methods Sixty‐nine male and female (33 males/36 females; age = 21.9 ± 2.0 years, body mass index = 24.5 ± 3.6 kg/m2) college‐age individuals participated in this study. Each participant's total and regional (ie, upper arms, upper legs, trunk) BF% was estimated using EIM and DXA. Metallic markers were used to delineate regional boundaries for analysis, including upper arms (biceps/triceps), upper legs (quadriceps/hamstrings), and trunk (abdominal region/low back region). Paired t‐tests assessed the accuracy of BF% values estimated from EIM in comparison to BF% measured by DXA. Results Observations revealed EIM reported significantly lower BF% for upper left arm (P < .001), upper right arm (P < .001), upper right leg (P = .002), and trunk (P < .001) values. However, no significant differences were observed in total (P = .434) and upper left leg (P = .855) BF% between the two devices. Conclusions This study's observations suggest that, EIM may be an accurate field method for measuring total BF%, but not regional BF%.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	1042-0533 1520-6300
DOI:	10.1002/ajhb.23330