After having data on the locations of all the perforator arteries in the lower leg, according to the method of Boriani F, we distributed these arteries into 3 8 groups according to 3 locations: localized in the upper third, medial, lower leg and, in more detail, the percentage distance from medial ankle (for tibial artery), lateral ankle (for peroneal artery) to root perforator artery / length of tibia, fibula (from ankle to knee joint).