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Hormonal Regulation of Fluid and Electrolytes: Effects of Heat Exposure and Exercise in the Heat

  • Chapter
Hormonal Regulation of Fluid and Electrolytes

Abstract

A review of the endocrine factors which subserve fluid and electrolyte regulation during acute or chronic sedentary heat exposure or during exercise in the heat necessarily focuses on two target organs — the sweat gland and the kidney. While the acquisition of heat acclimation in humans is partially characterized by a striking ability to secrete increased quantities of a more dilute sweat (3,121,131), there are relatively few studies in the scientific literature describing the direct hormonal control of sweat secretory rate, composition, or total output. Further, studies which have reported these direct effects of exogenously administered hormones (e.g. aldosterone, angiotensin I or II, antidiuretic hormone or vasopressin) on sweat gland activity provided, at best, inconsistent results with various investigators reporting increased, decreased, or no effects on sweat secretion.

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  1. US Army Research Institute of Environmental Medicine, Natick, Massachusetts, 01760-5007, USA

    R. P. Francesconi, M. N. Sawka, R. W. Hubbard & K. B. Pandolf

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  1. R. P. Francesconi
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  1. Tripler Army Medical Center, Hawaii, USA

    John R. Claybaugh

  2. Letterman Army Institute of Research, San Francisco, California, USA

    Charles E. Wade

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Francesconi, R.P., Sawka, M.N., Hubbard, R.W., Pandolf, K.B. (1989). Hormonal Regulation of Fluid and Electrolytes: Effects of Heat Exposure and Exercise in the Heat. In: Claybaugh, J.R., Wade, C.E. (eds) Hormonal Regulation of Fluid and Electrolytes. Springer, Boston, MA. https://doi.org/10.1007/978-1-4613-0585-9_2

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