Metabolic responses to physical training in young insulin-dependent diabetics

Abstract

Insulin-dependent (type 1) diabetics, aged 14–17 years, were studied according to two protocols. 1. During a 6-month training period of moderate intensity (six participants) the aerobic work capacity and the erythrocyte insulin binding increased by 19% and 2 8%, respectively. Glycosylated haemoglobin (HbA₁) was not significantly reduced. 2. A 2-week intensive physical training program (10 participants) was associated with a 50% decrease of blood glucose values, which did not last beyond the training period. Plasma ketone bodies were markedly reduced. We conclude that young type 1 diabetics may participate in strenuous, short-term physical training. The improved aerobic work capacity and increased cellular insulin binding observed during training of moderate intensity is of potential benefit in the long-term management of the patients.

Key Words:

• erythrocytes
• glucose
• glycosylated haemoglobin
• insulin binding
• physical training
• type 1 diabetes