![Anatomy of Concussion](/html/images/backgrounds/bg_sections_tca.jpg)
The concussion authority
Anatomy of concussion
![1.](/html/images/icons/icon_num_1.gif)
Initial impact directly to the head or body causes the soft brain to strike the hard skull.
![2.](/html/images/icons/icon_num_2.gif)
Shaking disrupts the brain’s normal chemical balance.
![3.](/html/images/icons/icon_num_3.gif)
In severe cases the brain may swell. This puts pressure on the brain stem‚ which controls breathing and other basic life functions.