Parkour
Developed in France, parkour ("art du déplacement") is a physical activity that is difficult to categorize. It is an art that resembles self-defense and martial arts. According to the founder David Belle, the spirit of parkour is guided in part by the notions of "escape" and "reach," that is, the idea of using quick thinking with dexterity to get out of difficult situations.
An important characteristic of parkour is efficiency. The basic meaning of this is that a traceur must not merely move as fast as he can, Bur's unofficial motto is être et durer (to be and to last), efficiency also involves avoiding injuries, short and long-term.
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