In the video, which the Detroit Free Press included in their report, you can see Spartans offensive lineman Jack Allen
put his fingers into Ohio St. defensive lineman Johnathan Hankins»
facemask.
The results of at least two recent studies, however, suggest that reductions in full - contact practices can be accompished safely without
putting players at additional risk, while researchers continue looking for the head trauma «holy grail»: a threshold - whether it is number of hits per week, over the course of the season, of a certain force, or to a certain part of the helmet (e.g.
facemask, top of the head) above which players are at an unacceptably high risk of permanent brain injury.