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Fig. 2. The effect of a cycle of normoxia, anoxia and re-oxgenation on heat output
and interstitial lactate and K+ concentrations (means ±
s.e.m.) in frog sartorius muscle at 20°C. Interstitial lactate and
K+ levels were determined from microdialysis effluents of muscle
interstitial space during continuous micro-calorimetric monitoring of heat
flux. The lack of change in interstitial [K+] suggests that anoxia
and re-oxygenation did not increase K+ loss from skeletal muscle.
(From West and Boutilier,
1998.)