No Short Cuts

Injury Reduction Effectiveness of Assigning Running Shoes Based on Plantar Shape in Marine Corps Basic Training -Knapik et al; Am J Sports Med September 2010.

Here there was no difference between the control group and the experimental in preventing injury.  It all starts with physical competency and good planned performance training by the coach. 

Sub-Concussive Brain Injury

This U. Penn FB player was never diagnosed with a concussion:

http://www.nytimes.com/2010/09/14/sports/14football.html?partner=rss&emc=rss&src=ig