運動実施高齢者の呼吸循環機能に関する研究 : 大学長距離選手との比較

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The purpose of this investigation was to examine the cardiorespiratory functions of the active older men during the light exercises. The subjects were 10 healthy older men from 50.9 to 76.2 years old (64.4±8.9 yrs). The members of the controled group consisted of 10 long distance runners of a college. Physiological functions of all subjects were studied at three graded exercises, i. e., 150kgm/min, 300kgm/min and 450kgm/min on a bicycle ergometer for 4 minutes each. Physiological parameters were heart rate, blood pressure, respiratory rate, V_E, V_<O2>, oxygen removal and oxygen pulse. The results of this study were summarised as follows : 1) With the same work load the heart rate in the older men was higher than that of the controled group. It was suggested that the high heart rate ment the compensation for the cardiac output. 2) The resting blood pressure was low in the active older men. Even in the light exercises the older men's heart rate turned to 110 beats/min, and their systolic blood pressure increased to 190mmHg. Therefore, it is essential for us to monitore the blood pressure during the exercise especialy in case of the older men. 3) Because of their low efficiency on respiratory function, the oxygen requirement during exercise was compensated for high respiratory rate and ventilation in the older men. 4) As the response of the heart rate is slow during exercise in the older men, it is indispensable to warm up sufficiently before any exercise.

運動実施高齢者の呼吸循環機能に関する研究 : 大学長距離選手との比較

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