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여성의 체성분 ( Body Composition ) 분석
이경옥(Kyung Ok Yi),김미예(Mi Ye Kim),이기화(Kee Wha Lee),한혜원(Hae Won Han),임호남(Ho Nam Lim),임혜옥(Hye Ok Lim) 한국여성체육학회 2000 한국여성체육학회지 Vol.14 No.1
The purpose of this study is to provide the basic data for exercise prescription, weight control and standard amount of body fat among Korean women with age 19 or above. For the purpose, we analysed the body composition of 430 female aged between 19 and 65 who live in Seoul metropolitan area and carry out normal daily life. For the measurement, we used $quot;Inbody 2.0$quot; made by Biospace Corporation(Seoul, Korea) which uses BIA as its measurement mechanism. In statistical analyses, we used SAS and calculated mean, maximum, minimum and standard deviation of the body composition variables for each age group. The significance of the difference between each age groups was tested via General Linear Models Procedure and a follow-up test using T tests(LSD)for each variables was added to this procedure. In both tests, a significance level of 5%(confidence level 95%) was adopted. The body composition variables used in this study consis of weight(kg), body fat mass(kg), muscle mass(kg), percent body fat(%), fat distribution and BMI. The body composition variables were used to assess the nutritive condition(protein, fat, mineral) and the upper - lower balance & right left balance. The analysis of body composition revealed that women in their 50s or older contained relatively high percentage of body fat and especially showed greater fat component in their abdomen. However, most women in their 20s turned out to be underweight in both fat, lean body mass and muscle mass. On the other hand. 27.9 percent of the subject were overweight. Noteworthy is the fact that 20.0 percent of the subject showed to have absolutely excessive amount of fat whereas much higher 50.5 percent have excessive ratio of $quot;fat/body weight$quot;. This indicates that lo body fat is a better scale to measure obesity. Without any change in body weight, the obesity may vary according to the proportion of body fat. Unless people do not exercise, they may lose their muscle with ageing(Foster Burns., S. Boyd(1999)., Travis, Shirley., All, Anita. C., Bernard, Marie(1999)). Therefore, those who do not exercise but are able to maintain their weight need to check their body composition to prevent obesity. The muscle component seems to vary with age. The under-muscle type who has less muscle compared to their body weight could be found mainly among the female in their 20s. Among the subject in their 30s, many turned out to be proportionate overweight, which implies that they have excessive amount of fat and may run into a health problem. Among the subject in their 20s frequently found is the under-muscle type and, furthermore, the under-muscle cases are rather evenly divided among underweight, normal weight and overweight. Also, among the proportionate type, the frequency of underweight were roughly similar to that of overweight. All these imply that we ought to throughly examine the reason of the complex phenomena so that we can properly teach the female on health, exercise and life style and prescribe exact fitness therapy for them(Girandola, R. N.,1976). The nutritious condition of the subject revealed that the female in their 20s has excessive fat in the body but lacks protein, which seems to have stemmed from a wrong diet. More importantly, we can find the deficiency in inorganic substance among the subject in their 50s or older. From this, the possibility of osteoporosis might be inferred. Out of the subject in their 20s, both lower limb infirmity and upper limb infirmity could be found and, in addition, unbalanced development between left and right side of the body was discovered. For these people, we need to identify the reason of infirmity or imbalance so that we can prescribe right fitness therapy. The finding of the study rings the alarm to the health of the female in their 20s. We need to throughly examine the factors that affect their health.
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