一、研究的目的和意义 身体成份系指机体中皮肤、脂肪、肌肉、骨骼、内脏器官和体液等的含量。身体成份从不同的角度有不同的分类,从运动生理学的角度则可将其分为脂肪(脂肪重)和瘦体重(去脂体重)两种成份。脂肪是人体正常的组织成份,对保证人体正常的生理功能起着重要作用,但脂肪过多则可造成超重或肥胖,不仅会使人产生多种疾病,影响人体正常的生理功 First, the purpose and significance of the study Body composition refers to the body’s skin, fat, muscle, bone, internal organs and body fluids and other content. Body composition from different perspectives have different categories, from the perspective of exercise physiology can be divided into fat (fat weight) and lean body mass (fat body weight) two components. Fat is the body’s normal tissue composition, to ensure the normal physiological function of the human body plays an important role, but too much fat can cause overweight or obesity, not only causes a variety of diseases, affecting the body’s normal physiological function