Abstract
Circadian rhythms of salivary sodium and potassium were studied during a week in subjects engaged in heavy physical and intellectual work. A decrease in the content of salivary sodium did not depend on the type of work but on its difficulty and intensity. The amplitude of daily fluctuations and the index of daily adaptation, which were decreased in both professional groups in comparison with the norm, were the informative parameters of rhythms for the diagnosis of functional status. By the end of the week, the rhythm of salivary sodium excretion was disordered and the strain of regulatory system increased.
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Translated fromByulleten' Eksperimental'noi Biologii i Meditsiny, Vol. 128, No. 8, pp. 215–218, August, 1999
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Opalovskaya, G.M. Circadian rhythms of salivary electrolytes as an indicator of functional status during professional activity. Bull Exp Biol Med 128, 847–850 (1999). https://doi.org/10.1007/BF02433831
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DOI: https://doi.org/10.1007/BF02433831