前言竞技游泳是周期性的竞速运动项目,人体在水中依靠消耗自身能源物质所产生的能量进行运动。在激烈的比赛中,一方面需要运动员在一定的时间内尽可能多的动员体内的能源物质进人能量代谢过程,并争取获得尽快的代谢周期和更高的产能效果,以产生更多的能量供运动之需,另一方面,应尽可能有效地利用能量。前者与训练水平有关,而后者则与运 Introduction Competitive swimming is a cyclical racing sport, in which the body relies on the energy generated by consuming its own energy substance. In the fierce competition, on the one hand, athletes need to mobilize the body’s energy substances as much as possible in a certain period of time into the energy metabolism process, and strive for the fastest metabolic cycle and higher productivity to produce more energy For exercise, on the other hand, the energy should be used as efficiently as possible. The former is related to training level, while the latter is related to training