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12-14-2011, 11:47 AM
  #86
Mercurial
#lalala
 
Join Date: Oct 2009
Country: Canada
Posts: 2,179
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Quote:
Originally Posted by MatthewT View Post
a helmet just protects the outside of your head. The cause of a concussion is your brain bouncing off the inside of your skull.
Quote:
Originally Posted by armani View Post
This.


Though it's true that concussions is caused by your brain bouncing around on the inside of you skull.

A helmet will displace the energy of a blow to the head, thus reducing the amount of bouncing around your brain does.

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