HORMONAL INFLUENCES ON CARBOHYDRATE METABOLISM DURING WORK

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Abstract
The effect of inj. of adrenalin, insulin, or both, and of adm. of glucose orally on carbohydrate utilization during muscular exercise was studied in 2 normal subjects. Compared with control expts. the effect of adrenalin was: increased RQ, blood sugar, and blood lactate; of insulin: increased RQ, decreased blood sugar, increased blood lactate; of adrenalin and insulin simultaneously: increased RQ, small fluctuations in the blood sugar level, increased blood lactate; of glucose: increased RQ and blood sugar, no changes in blood lactate; of glucose and insulin simultaneously: increased RQ, fluctuations in blood sugar, no changes in blood lactate. Neither hormone showed any effect on the blood acetone. The increased RQ following the inj. of either hormone must be taken as a sign of increased carbohydrate combustion.

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