某些项目,如体操和长跑等运动,由于项目特点,常需控制体重,控体重的原理主要是通过消耗体内多余的脂肪达到热量的负平衡。常采用的方法有增加运动量和控制饮食,而后者对青少年又容易导致某种营养素的缺乏,这就需要注意以下几点: 1.减体重应循序渐进:可根据需要减轻体重的要求,制订一个计划,减重速度不可过快,至少在一个月内进行,这样才能巩固体重不再 Some items, such as gymnastics and long-distance running, due to the characteristics of the project, often require weight control. The principle of weight control is mainly to achieve negative balance of calories by consuming excess body fat. Often used to increase the amount of exercise and diet control, while the latter is easy for young people to lead to a lack of nutrients, which need to pay attention to the following points: 1. Weight reduction should be gradual: according to the requirements of weight loss can be reduced, the development of a plan , Weight loss rate can not be too fast, at least within a month, so as to consolidate the weight no longer