A Study on the Change Pattern of Stride Length,Stride Frequency and Average Speed in Fragment of World Elite Sprinters in 100m

This paper analyzes sports science parameter about stride length,stride frequency and average speed in fragment of world elite sprinters in 100?m by data statistice and concluded the way of keeping high speed of long time was by own's stride length,not stride frequency;the accelerative rhythm of whole run affected the whole run's achievement,stride length's contribution to speed is notably different than those of stride frequency.