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前言体成分系指人体内的脂肪和非脂肪组织在总体重中的重量或比例.它作为反映身体肥胖情况、评定理想体重、观察训练效果,以及选材等的一项生理指标,在医学和体育科学中日愈受到人们的重视.国外一些学者对运动员的体成分特点、体成分与运动成绩的关系,以及运动对体成分的影响等问题进行了大量研究.体成分这项指标在国外已较广泛地应用于许多方面,但由于我国对这项指标的研究还很少,因而影响其使用.由于儿童时期的体成分对成年后的体成分有一定影响,所以研究儿童时期的体成分,不仅对于儿童时期,而且对于其成年以后都有重要意义.本文的研究目的是:①为我国青少年
Introduction Body composition refers to the weight or proportion of body fat and non-adipose tissue in the total body weight as a physiological indicator of body fat status, assessment of ideal body weight, observation of training effects, selection of materials, etc. In medicine and physical education Science and technology are more and more people’s attention in Japan and abroad.Some foreign scholars have done a great deal of research on the characteristics of body composition, body composition and sports performance, and the influence of sports on body composition, etc. The body composition of this indicator has been relatively higher in foreign countries It has been widely used in many aspects, but its research on the body composition in childhood is not only because the body composition in childhood has some influence on body composition in adulthood, For children, but also for their adulthood has an important significance.The purpose of this paper is: ① for our young people