不同的运动项目有各自的运动特点,不同的运动员接受同样的训练效果差别很大。运动成绩取得一方面是训练取得的,另一方面是先天遗传决定的,先天遗传条件越高,接受合理的训练,后天达到的运动水平就越高。中长跑运动时一项竞技性很强的运动项目,运动时间较长、速度快、消耗能量大,这就要求运动员不但要具备良好的运动技能,还要有良好的心血管及呼吸系统功能,所以我们教 Different sports have their own characteristics of sports, different athletes receive the same training varies widely. Achievements of sports training is obtained on the one hand, on the other hand is determined by genetic heredity, the higher the congenital genetic conditions, to receive reasonable training, acquired the higher the level of exercise. In long-distance running, a competitive sport with long exercise time, high speed and high energy consumption requires that athletes not only have good motor skills, but also have good cardiovascular and respiratory functions, So we teach