Adventure and extreme sports are increasing in popularity and it is not surprising that commercial adventure tourism and the accompanying life style and fashion, have become increasingly important to world economy. These unique sports involve not only major physical endurance and mental challenges but interaction and bonding with nature. They also tend to attract and excite audiences, both at the event and in the media. They are exciting to watch and redraw the boundaries of human achievement with the accompanying risks of injury and death. Adventure sports are usually performed in beautiful,...