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KMID : 0383119690170010057
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Journal of Aerospace Medicine
1969 Volume.17 No. 1 p.57 ~ p.75
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Effects of Physical Training on the Physical Fitness and Basal Metabolic Rate
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이계열/Lee, Kae Yol
홍우일/박해근/유명자/백광세/Hong, Woo Il/Park, Hae Kun/Yoo, Myoung Ja/Paik, Kwang Se
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Abstract
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It has been reported by many anthers that the basal metabolic rate (BMR) in men has a close relation with race, sex, age, and season. Furthermore, Wilson(1961) reported that the BMR is affected by muscular exercise and physical training.
Hence, the present study was undertaken to evaluate the effects of the physical training on the BMR and the other physical fitness as well as maximal aerobic power(MOI).
Eleven healthy ROKAF air men, who live in the same barrack, on the same diets, and share the close daily physical activity, were selected as subjects, and were divided into two grouts, one was the experimental group (6 men), and the other the control group (5 men).
The experimental group was subjected to the daily running exercise (12km for an hour a day) 5 days a week for 6 weeks. The physical activity of the control group was about the same as the experimental group except running exercise.
In order to assess the effects of these physical trainings on BMR and physical fitness, the measurements on SMR, body weight, blood pressure, heart rate, vital capacity, and maximal breathing capacity (MBC) were determined weekly throughout the 6-week training and 2-week recovery periods. In addition, MOI was determined by being enforced the subject to exhaustive running exercise every two weeks, and 24-hr urine was collected twice a week. The BMR was measured by means of Collins spirometer,
and urinary Na and K were analyzed by the flame photometer.
The results obtained were summarized as follows:
1. body weight, blood pressure, and heart rate were no significant changes throughout the experimental periods.
2. The BMR of the experimental group was fluctuated throughout the experimental periods but there were no significant changes between two groups.
3. Vital capacity and BOM were no significant changes throughout the experimental periods.
4. MOI was no significant changes throughout the experimental periods in both groups.
5. Urine volume, osmolality, Na and K excretion were not affected by the physical training.
These results indicated that BMR of the men was not affected by the physical training such week running exercise, which was not strong enough to change physical fitness.
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