Pflügers Archiv

, Volume 376, Issue 1, pp 41–45 | Cite as

Human adipose tissue blood flow during prolonged exercise II

  • Jens Bülow
  • Joop Madsen
Heart, Circulation, Respiration and Blood; Environmental and Exercise Physiology

Abstract

Subcutaneous and perirenal adipose tissue blood flows (ATBF) were measured by the133Xe washout method before, during and after 4 h exercise on a bicycle ergometer. The load corresponded to about 50% of\(\dot V_{{\text{O}}_{\text{2}} }\) max (i.e. about 1.7l/min). Subcutaneous and perirenal ATBF increased at an average to 3–400 and 700% of their initial control values respectively. In six of nine measuring sites ATBF remained increased in the hour following work. During work plasma glycerol concentrations increased 8 fold. The core temperature increased 0.9°C, skin temperature did not change significantly. During passive elevation of body temperature (core temperature +1.5°C; skin temperature +3°C) neither subcutaneous ATBF nor plasma glycerol concentrations changed significantly. It is concluded that the increase in subcutaneous ATBF during exercise is not a reaction to increased body temperature.

Key words

Adipose tissue blood flow Body temperature, regulation of Exercise Glucose Glycerol Man Oxygen uptake Perirenal adipose tissue Radioactive tracer washout technique Respiratory exchange coefficient Subcutaneous adipose tissue 127Xenon 133Xenon 

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Copyright information

© Springer-Verlag 1978

Authors and Affiliations

  • Jens Bülow
    • 1
  • Joop Madsen
    • 1
  1. 1.Institute of Medical Physiology CUniversity of Copenhagen, Panum InstituteCopenhagen NDenmark

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