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Lack of clinical Interchangeability between electrical impedance myography and multifrequency bioimpedance: Functional and physiological validation in young adults Cover

Lack of clinical Interchangeability between electrical impedance myography and multifrequency bioimpedance: Functional and physiological validation in young adults

Open Access
|May 2026

Figures & Tables

Figure 2.

Bland & Altman graph.

Spearman correlation matrix for morphological and functional variables_

Independent VariableDependent VariableCoefficient (ρ)p-value
DynamometryMuscle mass (kg) [BIA]0.821<0.001
DynamometryActive cell mass (kg) [BIA]0.804<0.001
DynamometryPhase angle (º) [BIA]0.630<0.001
DynamometryTotal MQ SKULPT0.0460.745
Physical activityBody Fat (%) [BIA]−0.566<0.001
Physical activityTotal BF% SKULPT−0.534<0.001

General morphofunctional and cellular integrity measurements (Mean ± SD)_

VariableWomen (N = 32)Men (N = 21)p-value
Age (years)21.00 ± 2.9922.14 ± 2.920.176
Height (m)1.59 ± 0.061.71 ± 0.05< 0.001
Body mass (kg)60.86 ± 8.3067.85 ± 11.660.022
Dynamometry (kg)27.62 ± 3.8343.97 ± 9.73< 0.001
Physical activity (min/week)169.53 ± 219.40522.14 ± 437.600.001
Total MQ SKULPT43.02 ± 7.3453.26 ± 18.550.022
Total BF% SKULPT34.68 ± 5.7819.63 ± 4.54< 0.001
Phase angle (º) [BIA]6.78 ± 0.627.86 ± 0.65< 0.001
Body fat (%) [BIA]30.93 ± 4.3516.34 ± 6.51< 0.001
Muscle mass (kg) [BIA]21.05 ± 2.0230.41 ± 4.58< 0.001
Active cell mass (kg) [BIA]24.91 ± 1.9835.35 ± 3.85< 0.001
Language: English
Page range: 31 - 36
Submitted on: Mar 28, 2026
Published on: May 21, 2026
Published by: University of Oslo
In partnership with: Paradigm Publishing Services
Publication frequency: 1 issue per year

© 2026 Ma. Fidelina Peñaloza-Talavera, Mariana Toledo Dambrós, Clara H. Gonzalez-Correa, Jhony A. Diaz-Vallejo, Aida María González-Correa, published by University of Oslo
This work is licensed under the Creative Commons Attribution 4.0 License.