400米运动员全程步长的诊断及其训练

Diagnosis and Training of the Ability of All Distance Step Length for 400-Meter Runners

全程步长是影响 40 0米运动成绩的重要因素 ;40

All distance step length is one of the important factors for 400m performances.The 400m's coaches are confronting the problems about how to diagnose all distance step length and which methods and means to adopt.