Snowboarding has become a sport that encompasses a very diverse international based crowd and fanbase of many millions, so much so that it is no longer possible to stereotype such a large community. Reasons for these dying stereotypes include how mainstream and popular the sport has become, with the shock factor of snowboarding's quick take off on the slopes wearing off. Skiers and snowboarders are becoming used to each other, showing more respect to each other on the mountain. "The typical stereotype of the sport is changing as the demographics change". While these two subcultures are now becoming accustomed to each other, there are still three resorts, in the United States, which do not allow snowboarding. Alta, Deer Valley, and Mad River Glen are the last skiing only resorts in North America and have become a focal point over time for the remaining animosity between snowboarding and skiing. Common Injuries Common injuries in snowboarding differ between professional and recreational groups. The most common type of injury for snowboarders is injury to the upper body. In recreational snowboarding, wrist injuries are more likely to occur. Among professional snowboarders, injuries to the lower half, specifically the knee joint, are more likely to occur. When injured, snowboarders are twice as likely to get a fracture as skiers. Other minor injuries that happen are "wrist injuries, shoulder soft tissue injuries, ankle injuries, concussions, and clavicle fractures, were seen injuries are very common when snowboarding". In recreational and inexperienced "Most Injuries to snowboarders occurred more often while they were traveling at reckless speed on moderate slopes". Another way injuries happen is because they try sticking with someone that is a higher skill level, which they are not capable of handling because of the lack of skill they possess. Some major injuries that occur during snowboarding are head, and spinal Injuries, "The main cause of spinal fractures in snowboarders was Jump landing failure and Compression type fractures occur in about 80% of snowboarders with vertebral fractures because they frequently fall backwards, and this can cause axial loading and anterior compression fractures". Injuries to the upper body are much less common among professional snowboarders. "Most of the professionals and elite snowboarders frequently sustain injuries when trying to execute challenging tricks at high speeds and with increased levels of force to the lower limbs". Safety and precautions Like some other winter sports, snowboarding comes with a certain level