The applied anatomy of the skin supplied by the lateral genicular artery was studied on 52 specimens of adult extremities: This skin area had a quite constant and reliable blood supply from the artery. The blood supply to this skin area was giving rise from the superior lateral genicular artery and had numerous anastomosis with the lateral femoral circumflex artery, cutaneous branch of the popliteal artery and the inferior lateral artery. The caliber of the supplying artery, its length and the area distribussed.