Aggressive Inline Rollerblades Aggressive Inline Skating / Rollerblading... Injuries?

Aggressive Inline Skating / Rollerblading... Injuries? - aggressive inline rollerblades

I used to skate all much in my neighborhood, never any tricks, because they have no value or inline skates. Now, years later, I think the gathering role aggressive. I wonder how it seems that most videos on YouTube violated drivers ... What is the likelihood of injury type and severity of injuries, if someone do the most difficult tricks and tips?