Abstract
Summary
Graded cardiac work loads were imposed on fasted rats by varying the severity of exercise in acute experiments. Trichloroacetic acid soluble (TCA) and residual glycogen fractions were determined in both ventricles. Glycogen depletion varied with the severity of the exercise and was produced almost exclusively in the TCA fraction. Left ventricular TCA glycogen was affected more than that of the right ventricle.
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