Advocates of banning certain sports may argue that their inherently dangerous nature may threaten lives. As extreme conditions are a prerequisite for these sports, risks like equipment failure render players more vulnerable than in other sports. For example, skydivers who freefall from enormous altitudes seem more prone to injuries or even death than players of ordinary sports. However, in reality, all physical activities carry a certain degree of risks, and it is difficult to judge which one is more hazardous than the other. For instance, acute pains like ankle sprains are prevalent in football or basketball as a result of intense practice drills and frequent matches, but it is unlikely that these sports will be banned given their popularity. Besides, people must undergo rigorous tests to ensure they are physically and mentally conditioned before participating in dangerous sports. Therefore, concerns over the safety of extreme athletes are quite irrelevant.