Now that it has happened remember the event . If it happens again your reflexes should be ready for it.

It has happened to Lance Armstrong in the Tour de France (2003 The later in the stage where he fell after catching the (muzet?) little girls food bag bag) http://www.youtube.com/watch?v=5kzm-Y4XaIc About 142 sec into the video

This is what i call an occupational hazard. Things happen and you can't prepare for them all. So now you are educated