呼吸・循環機能・血糖変動におよぼすglucose投与の影響
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概要
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Supply of energy during exercise has been well known as the utilization of carbohydrate in immediate fuel, and as the correlation between the effect of glucose administration and work capacity. According to recent reports, glucose administration in the carbohydrate metabolism is especially important at the early stage of exercise. The glucose administration was also paid on the decrease of glycogen content of the muscle during prolonged exercise, and on the correlation between muscular glycogen content and working capacity. Accordingly, the glucose administration gives a favorable effect on the early stage of exercise, and restraines the consumption of muscle glycogen and body fat. So it seems to be effective on the work capcity by the muscle during prolonged exercise. In the present study, 5 long distance runners selected from the members of the Sendai college Track and Field Club were used as subjects. The work load was given submaximal exercise on a bicycle ergometer for 14 minutes, as the same time, in the case of glucose administration or non-glucose administration (control), it was investigate measure to change in heart rate blood pressure, ventilation and blood sugar. Results obtained can be summarized as follows. 1) After glucose administration was noted to be light in subjective feeling of fatigue due to similar work load. 2) The heart rate during exercise, after glucose administration, was heigher 5 beats/min than control. 3) Heart rate at the early stage of exercise was noted over shoot after glucose administration. 4) There was recognized adjustments of heart rate at the early stage of each load after glucose administration. 5) After glucose administration, recovery heart rate was decreased 40 percents within one minute. 6) PWC_<170> was low after glucose administration. 7) The blood sugar content of control was increased 10 percent due to exercise. The blood sugar content after administration was decreased 29 percent due to exercise. However, the decrease was distinctly less than resting level. Aforementioned findings led the author to fhe following pressumption: The glucose administration seems to elevate the circulatory adjustment at the early stage of exercise and give favorable effect on recovery of fatigue after exercise.
- 仙台大学の論文