For you guys who are subscribers w/ NSA by IAAF.
There’s a great study done on 50-60 world class
sprinters ranges of 10.85 to 9.90… It is very interesting check it out.
The information is: 14:1 43-50 1999
NSA by IAAF ( Biomechanics)
Title: Evolution of Stride & Amplitude During Course of the 100m Event in Athletics
By; B. Gajer, C. Thepaut-Mathieu
Kenny Mac~~~~~~~