田径运动训练是一个长期的、大负荷的训练过程,在整个过程中,会使机体的新陈代谢过程加快,热能及其他营养物质消耗增加,激素效应与酶反应过程活跃,酸性代谢产物——乳酸堆积等一系列体内环境的变化,这就要求运动员必须摄取足够 Track and field training is a long-term, heavy-load training process. During the whole process, the metabolism process of the body will be accelerated, the consumption of heat energy and other nutrients will increase, and the hormone effect and enzyme reaction process will be active. The acid metabolite lactic acid accumulation And a series of changes in the internal environment, which requires athletes must be sufficient intake