400米跑步是一种无氧供能方式为主的极限强度项目,对运动员的力量、速度、耐力有极高的要求。与100米、200米比较,它对加速能力、高速能力要求相对较小,而对速度、耐力要求极高。为达到全程保持高速奔跑的能力,不仅仅是通过训练就能提高速度、耐力水平的,还必须与正确的意志品 400-meter running is an ultimate strength project that is based on the mode of anaerobic energy supply and has extremely high demands on the athlete’s strength, speed and stamina. Compared with 100 meters and 200 meters, it requires relatively little acceleration and high-speed ability, but also has extremely high requirements on speed and stamina. In order to achieve the full ability to maintain high-speed running, not only through training can improve speed, endurance level, but also with the correct will