While the exact definition and what is included as extreme sport is debatable, some attempted to make classification for extreme sports.
One argument is that to qualify as an "extreme sport" both expression terms need to be fulfilled;
- "sport": The participant has to dispose of considerable skill and/or physical ability to avoid poor execution of the activity;
- "extreme": poor execution of the activity has to result in considerable risk of serious physical harm to the participant;
Along this definition, an activity such as bungee jumping may not qualify as no skill or physical ability is required to execute a good jump (i.e., avoid poor execution). A passenger in a canyon jet boat ride will not fulfill the requirements, as the skill required pertains to the pilot, not the passengers. "Thrill seeking" might in these cases be a more suitable qualification than "extreme sport"