You could be reading the full-text of this article now if you...

If you have access to this article through your institution,
you can view this article in

What is the Scientific Basis of Speed and Agility?.

Craig, Bruce W. PhD
Strength & Conditioning Journal:
Bridging the Gap: PDF Only

summary: The scientific basis for improvements in speed and agility training are largely unstudied, but neural adaptation is a key part of the process.

(C) 2004 National Strength and Conditioning Association