The patient shall have some foot problems. If he is a diabetic, the situation may be even worse. But the asker even did not write any additional information.
https://www.orthobullets.com/foot-and-ankle/12114/blood-supp...Source Arteries
Blood supply of foot comes from three primary source arteries
Peroneal (fibular) artery
Posterior tibial artery
Anterior tibial artery
Anterior Tibial Artery
Origin the other, smaller, terminal branch of the popliteal artery
Course in leg
descends anterior to the interosseous membrane and supplies the muscles of the anterior compartment of the lower leg
it becomes superficial at the ankle midway between the malleoli
supplies muscles of the anterior compartement of the lower leg