Monitoring Change of Body Fluid during Physical Exercise using Bioimpedance Spectroscopy and Finite Element Simulations
Article Category: Articles
Publié en ligne: 07 déc. 2011
Pages: 79 - 85
Reçu: 06 juin 2011
© 2011 Lisa Röthlingshöfer, Mark Ulbrich, Sebastian Hahne, Steffen Leonhardt, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.
Permittivity and conductivity values at 100 kHz [27]
| σ [S/m] | εr |
---|
Skin | 0.065836 | 15357 |
Bone | 0.020791 | 227.64 |
Fat | 0.024414 | 92.885 |
Muscle | 0.36185 | 8089.2 |
Change of Re and weight for all 10 athletes.
Subjects | Parameter |
---|
| ΔRe,rel [%] | ΔRe,AA [%] | ΔWeight [%] |
---|
1 | 5.2 | 3.4 | -2.3 |
2 | 2.8 | 1.9 | -3.0 |
3 | 1.7 | 0.2 | -3.3 |
4 | 0.5 | 1.4 | -2.2 |
5 | 4.0 | 0.24 | -2.3 |
6 | 4.21 | – | -1.2 |
7 | 2.22 | – | -1.5 |
8 | 2.59 | – | -1.3 |
9 | 4.94 | – | -0.8 |
10 | 2.46 | – | -1.3 |
Physical data of the ten athletes.
Athlete’s ID no. | Age (years) | Height (m) | Weight (kg) | Sex |
---|
1 | 27 | 1.99 | 101.4 | Male |
2 | 22 | 1.89 | 75.5 | Male |
3 | 27 | 1.78 | 60.8 | Male |
4 | 31 | 1.71 | 81.5 | Male |
5 | 34 | 1.70 | 76.9 | Male |
6 | 26 | 1.70 | 69.3 | Female |
7 | 25 | 1.77 | 71.8 | Female |
8 | 25 | 1.89 | 75.6 | Male |
9 | 25 | 1.78 | 80.7 | Male |
10 | 25 | 1.71 | 74.9 | Male |
Current density contribution (in percentage) at 1 MHz.
Tissue/Cutting Plane | Thigh | Knee | Lower Leg |
---|
Bone | 0.1 % | 2.07 % | 0.27 % |
Muscle | 96.05 % | 84.82 % | 98.95 % |
Fat | 3.86 % | 13.12 % | 0.77 % |