The venous circulation in the legs has a superficial and a deep venous system connected by perforating veins. Healthy one way valves keep the blood flowing from the superficial system into the deep system and back to the heart.
Advances in Revascularization for Peripheral Artery Disease: Revascularization in PAD
Blood vessels of lower limb hi-res stock photography and images
Compartment Syndrome - OrthoInfo - AAOS
Intermittent Claudication Circulation Problems in the Leg
Surgical creation of lower extremity fistula and grafts - Alnahhal - Cardiovascular Diagnosis and Therapy
Venous Drainage of the Lower Limb - TeachMeAnatomy
Arteries of the Lower Limb - Thigh - Leg - Foot - TeachMeAnatomy
Duplex assessment of lower-limb arterial disease
Vascular Anatomy of the Lower Limb