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

Madeline A. Czeck, Christiana J. Raymond-Pope, Elyse Prescott, Katie L. Bisch, Donald R. Dengel

Research output: Contribution to journalArticlepeer-review


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%.

Original languageEnglish (US)
Article numbere23330
JournalAmerican Journal of Human Biology
Issue number2
StatePublished - Mar 1 2020

PubMed: MeSH publication types

  • Comparative Study
  • Journal Article


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