Outdoor parkour, also known as free running, is a type of training designed by the French military that utilizes obstacle courses. These obstacles require extreme focus and a can-do attitude and make heavy use of physical abilities such as running, jumping, swinging, rolling, and even climbing. It's a fun and exciting workout that anyone can enjoy. Outdoor parkour is a fashion extreme sport that is popular all over the world nowadays. It uses the environment of daily life as the sports venue and relies on its physical ability to quickly, effectively, and reliably control any known and unknown environment. It is also a philosophy of exploring human potential and stimulating the limits of body and mind.