Control of skin blood flow, sweating, and heart rate: role of skin vs. core temperature

C. R. Wyss, G. L. Brengelmann, J. M. Johnson, L. B. Rowell, M. Niederberger

Research output: Contribution to journalArticlepeer-review

139 Scopus citations


Forearm blood flow (FBF), sweat rate (SR), and heart rate (HR) were recorded in 4 men during 2 periods of controlled skin temperature (Ts) increase in a Ts range of 34-40°C. Ts, right atrial temperature (Tra), and esophageal temperature (Tes) were recorded continuously. Tra ranged from 36.5 to 38°C. Multiple linear regression analysis for FBF, SR, and HR against Tra, Ts, and rate of change of Ts revealed: SR was virtually independent of steady state Ts influence; FBF could be described by a linear combination of Tra and Ts where the Tra influence above a threshold Tra was more than 20 times the Ts influence; and negative rate of change of Ts showed a significant inhibitory influence on SR and HR but little or no influence on FBF. No positive rate of change of Ts effects were seen. Use of Tes as a measure of internal temperature overestimated the role of Ts in the control of SR, FBF and HR.

Original languageEnglish (US)
Pages (from-to)726-733
Number of pages8
JournalUnknown Journal
Issue number6
StatePublished - 1974
Externally publishedYes

ASJC Scopus subject areas

  • Physiology
  • Physiology (medical)


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