The dorsalis pedis artery supplies oxygenated blood to the dorsal (upper) side of the foot. It originates at the anterior tibial artery in the leg, runs across the top of the foot and ankle bones ...

since it is the only artery crossing at the level of the knee. By contrast, occlusion of the anterior tibial artery is often asymptomatic, as two other vessels -- the posterior tibial and peroneal ...