Conference contribution


On Sweat Analysis for Quantitative Estimation of Dehydration during Physical Exercise


Publication Details
Author(s): Ring M, Lohmüller C, Rauh M, Eskofier B
Editor(s): IEEE
Publication year: 2015
Conference Proceedings Title: Proceedings of the 2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC)
Pages range: 7011-7014

Event details
Event: 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society
Event location: Milan
Start date of the event: 25/08/2015
End date of the event: 29/08/2015
Language: English

Abstract

Quantitative estimation of water loss during physical exercise is of importance because dehydration can impair both muscular strength and aerobic endurance. A physiological indicator for deficit of total body water (TBW) might be the concentration of electrolytes in sweat. It has been shown that concentrations differ after physical exercise depending on whether water loss was replaced by fluid intake or not. However, to the best of our knowledge, this fact has not been examined for its potential to quantitatively estimate TBW loss. Therefore, we conducted a study in which sweat samples were collected continuously during two hours of physical exercise without fluid intake. A statistical analysis of these sweat samples revealed significant correlations between chloride concentration in sweat and TBW loss (r = 0.41, p < 0.01), and between sweat osmolality and TBW loss (r = 0.43, p < 0.01). A quantitative estimation of TBW loss resulted in a mean absolute error of 0.49 l per estimation. Although the precision has to be improved for practical applications, the present results suggest that TBW loss estimation could be realizable using sweat samples.



How to cite
APA: Ring, M., Lohmüller, C., Rauh, M., & Eskofier, B. (2015). On Sweat Analysis for Quantitative Estimation of Dehydration during Physical Exercise. In IEEE (Eds.), Proceedings of the 2015 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society (EMBC) (pp. 7011-7014).

MLA: Ring, Matthias, et al. "On Sweat Analysis for Quantitative Estimation of Dehydration during Physical Exercise." Proceedings of the 37th Annual International Conference of the IEEE Engineering in Medicine and Biology Society, Milan Ed. IEEE, 2015. 7011-7014.

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