A.N. Briko1, T.S. Smirnova2, P.E. Chibizov3, V.V. Kapravchuk4, A.V. Kobelev5, S. I. Shchukin6

1–6 Bauman Moscow State Technical University (Moscow, Russia)
1 brikoan@mail.ru

The development of modern trends in biomedical diagnostics requires increasing the accuracy of body composition assessment. Despite the advantages of traditional bioimpedance methods, their limitation is the inability to perform isolated assessment of individual tissue layers. This creates a need for the development of technologies for local diagnostics of the skin-fat layer without the influence of deeper underlying structures.

The aim of the study is to develop a method of electrical impedance caliperometry for non-invasive assessment of the electrical properties of the skin-fat layer using a tetrapolar electrode system, which allows real-time registration of dynamic changes.

The use of developed methods of electrical impedance caliperometry based on the analysis of electrophysical properties of biological tissues, together with the integration of impedance-based technologies into modern diagnostic equipment, represents a significant advancement in body composition assessment. The proposed and described methodology for building a biotechnical system for localized, non-invasive evaluation of skin-fat layer properties is the foundation for creating new-generation diagnostic systems, which provide the possibility of obtaining reliable tissue characterization data in conditions requiring isolated assessment without influence from deeper anatomical structures and allow to enhance precision in obesity management and metabolic health monitoring.

Briko A.N., Smirnova T.S., Chibizov P.E., Kapravchuk V.V., Kobelev A.V., Shchukin S.I. Non-Invasive Assessment of Skin-Fat Layer Properties via Electrical Impedance Caliperometry. Biomedicine Radioengineering. 2025. V. 28. № 5. P. 18–22. DOI: https:// doi.org/ 10.18127/j15604136-202505-04 (In Russian)

1. Tkachenko A.L., Mazin A.V., Tyurina M.M. Analysis and modeling of the probability of developing cardiovascular diseases in humans to identify a risk group. In Proc. CMSD-II-2022: 2nd Int. Conf. on Comput. Appl. For Management and Sustainable Development of Production and Industry. SPIE. 2023. V. 12564. P. 158–163. DOI: 10.1117/12.2669810.
2. Hoffmann J. et al. Measurement of subcutaneous fat tissue: reliability and comparison of caliper and ultrasound via systematic body mapping. Scientific Reports. Dec. 2022. V. 12. № 1. P. 15798. DOI: 10.1038/s41598-022-19723-0.
3. Sergeev I.K. Scientific Grounds for the Design of Electrical Impedance Systems for Monitoring the Parameters of Central Hemodynamics and Respiration. Biomedical Engineering. Dec. 2019. V. 52. P. 371–378. DOI: 10.1007/s10527-019-09850-y.
4. Wagner S. et al. Application of Different Methods for Body Composition Determination among Female Elite Level Rhythmic Gymnasts in Germany. German Journal of Sports Medicine. Deutsche Zeitschrift für Sportmedizin. 2023. V. 74. № 5.
5. Tikhomirov A.N., Shchukin S.I., Leonhardt S. et al. Multichannel Electrical Impedance Methods for Monitoring Cardiac Activity Indicators. Biomedical Engineering. 2019. V. 52. P. 365–370. DOI: 10.1007/s10527-019-09849-5.
6. Kobelev A.V., Shchukin S.I., Leonhardt S. Application of Tetrapolar Electrode Systems in Electrical Impedance Measurements. Biomedical Engineering. 2019. V. 52. P. 383–386. DOI: 10.1007/s10527-019-09852-w.
7. Kobelev A.V. et al. Determination of the Muscle Longitudinal Electrical Resistivity in-Vivo During Contraction. In 2022 Ural-Siberian Conference on Biomedical Engineering, Radioelectronics and Information Technology (USBEREIT). Yekaterinburg. Russian Federation. 2022. P. 070–073. DOI: 10.1109/USBEREIT56278.2022.9923375.
8. Briko A. et al. Determination of the Geometric Parameters of Electrode Systems for Electrical Impedance Myography: A Preliminary Study. Sensors. DOI: 10.3390/s24020707.
9. Grimnes S. Martinsen O.G. Bioimpedance and Bioelectricity Basics. 3rd ed. Academic Press. 2014.