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. Author manuscript; available in PMC: 2022 Jun 22.
Published in final edited form as: IEEE Trans Neural Syst Rehabil Eng. 2022 Mar 28;30:748–757. doi: 10.1109/TNSRE.2022.3151637

TABLE I.

Physical Properties of the Individual Tissue Regions

Relative permittivity r Conductivity
σ/(Sm)

Skin 1.1 · 103 2.0 · 10−4
Fat 2.8 · 103 0.024
Muscle tissue 5.2 · 104 0.34
Blood vessels 1.7 · 104 0.31
Major nerve branches 5.0 · 105 0.03
Bone 8.4 · 102 0.082