一、前言跨栏能够全面有效地提高参与者的速度、力量、柔韧性、协调性、耐力等多项身体素质。然而,由于400米跨栏项目距离较长,因此对项目过程中运动员的速度与力量的配合有着更高的要求,加强专项力量训练就显得尤为重要。二、运动员供能特点及提升方法400米跨栏运动中磷酸原系统、乳酸能系统以及有氧化系统是支持运动员完成运动的主要功能系 I. Introduction Hurdle can comprehensively and effectively improve participants’ speed, strength, flexibility, coordination, endurance and many other physical qualities. However, due to the long distance of the 400 meters hurdle, the speed and strength of the athletes in the project process have higher requirements. It is especially important to strengthen the training of special forces. Second, the characteristics of athletes and promotion of energy 400 meters hurdles phosphate system in the original system, lactic acid system and the oxidation system is to support the athletes to complete the main function of the campaign