在煤渣跑道时代,跑速主要取决于后蹬技术。随着科学理论的不断发展和塑胶跑道的出现,传统短跑技术逐渐被大腿积极前摆技术所取代。本人在实际训练中以大腿积极前摆技术为核心,从以下几个方面入 In the era of cinder runway, running speed mainly depends on the rear pedal technology. With the continuous development of scientific theory and the appearance of plastic runway, the traditional sprint technology has gradually been replaced by the thigh active front swing technology. I am in the actual training to active front thigh swing technology as the core, from the following aspects into