In orienteering it is forbidden for participants to use technical means of communication and movement,navigation,except for the issued map and compass. It is forbidden to use doping,and after completing the route not to hinder or help other competitors to pass the route. You may draw attention to yourself only if you need medical assistance. It is forbidden to interfere with the work of the referee and to shorten marked routes. Any manipulation of the number or the order of entry on the course is strictly penalized.