Glucoregulation during and after exercise in health and insulin-dependent diabetes.

Exerc Sport Sci Rev

Department of Molecular Physiology and Biophysics, Vanderbilt University School of Medicine, Nashville, TN 37232-0615, USA.

Published: January 2005

An elegant control system prevents hypoglycemia despite dramatic increments in glucose usage by working muscle. Insulin excess disrupts this control system, leading to hypoglycemia. Recent hypoglycemic episodes blunt the glucoregulatory response to subsequent exercise, and exercise blunts the glucoregulatory response to subsequent insulin excess. These mechanisms of glucoregulatory failure may cause hypoglycemia in insulin-dependent diabetics during and after exercise.

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