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| Abstract |
As a basic investigation of studies on optimal conditions for successful living in modern society or in future ages, measurement of nutritional condition, habitual activity (maximal aerobic power) and... body composition were carried out. 241 adults, 20-78 years of age, living in suburban districts of Fukuoka City were volunteered as subjects. Nutritional observation was conducted by a routine questioning, however, checks and counterchecks were made by personal interviews until reliable figures had satisfactorily been obtained. Measurement of maximal aerobic power (MAP) was made indirectly following the method of Margaria et al. Each subject screened medically were given two different intensity step up and down exercises, and MAP was calculated from heart rates immediately after exercises and the individual's estimated maximal heart rate. % Fat was estimated from skinfold according to the method of Nagamine. Intake of protein, lipid and non-fibrous carbohydrate were decreased with age, however age differences of vitamines and minerals were not clear. Each femaie group showed values of intake per kilogram of body weight of protein, lpid, non-fibrous carbohydrate, vitamin A, vitamin C, Ca and Fe higher than those of each male group In the coincidental age with few exceptions. Similar tendency was found in the case of water-soluble vitamines intake per calorie such as B1 and B2. Ratio of energy from lipid in every groups showed almost desirable figures. Ca intake among male groups and the oldest female group, vitamin A intake in the youngest male group, and Fe intake in adult female groups were slightly lower than those of recommended values. However, no severe nutritional problems were found. Body height, and LBM were decreased with age. In the case of females, %Fat increased with body weight up to 40 or 50 years but the age differences of %Fat and body weight. were not clear in males. However, higher appearancc rate of obesity, %Fat above 20%, was found in three younger male groups. Sex difference of MAP per kilogram of LBM per minute was not found clearly between younger three groups. All groups showed MAP per kilogram of body weight per minute lower than previously reported values of coincidental age groups in rural districts of Yatsushiro City. In the case of subjects aged over 50 years, more than 50% of subjects were not given the exercise for estimating their MAP because of abnormal ECG and high blood pressure. Whole appearance rate of these exercise-prohibited subjects and unfit subjects, (below 40 ml/kg/min in males and below 34 ml/kg/min in females), were 55, 86, 90, 100 and 100% in each age group of males and 63, 81, 96, 97 and 100% in female age groups, respectively. There remains some nutritional problems. However, the emphasis must be paid on the point that it is urgent to reconsider a present life style in so-called advanced society. A more habitually active life is important especially for younger sedentary male groups.show more
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