Skateboarding is the act of riding and performing tricks using a skateboard. A person who skateboards is most often referred to as a skateboarder, or just skater. Skateboarding can be a recreational activity, an artform, a job, or a method of transportation.[1] Skateboarding has been......

Extreme sports (also called action sport and adventure sport) is a media term for certain activities perceived as having a high level of inherent danger.[1][2][3] These activities often involve speed, height, high level of physical exertion, highly specialized gear or spectacular......

Snow skiing is a group of sports using skis as primary equipment. Skis are used in conjunction with boots that connect to the ski with use of a binding. Skiing can be grouped into two general categories. Nordic skiing is the oldest and includes sport that evolved from skiing as done in......