Anterior tibial artery

The anterior tibial artery arises at the bifurcation of the popliteal artery. It

Flexor Retinaculum Abductor Hallucis

Flexor retinaculum

Flexor hallucis longus

Tendo Achillis

Abductor hallucis

Fig. 179 The relations of the posterior tibial artery as it passes behind the medial malleolus.

Flexor retinaculum

Flexor hallucis longus

Tendo Achillis

Abductor hallucis

Fig. 179 The relations of the posterior tibial artery as it passes behind the medial malleolus.

passes forwards between the tibia and fibula under the lower border of popliteus over the upper margin of the interosseous membrane and descends on this structure in the anterior compartment of the leg.

At first deeply buried, it becomes superficial just above the ankle between the tendons of extensor hallucis longus and tibialis anterior, being crossed superficially by the former immediately proximal to the line of the ankle joint.

The artery continues over the dorsum of the foot as the dorsalis pedis (where its pulse may be palpated); this gives off the arcuate artery which, in turn, supplies cutaneous branches to the backs of the toes. Dorsalis pedis itself plunges between the 1st and 2nd metatarsals to join the lateral plantar artery in the formation of the plantar arch, from which branches run forwards to supply the plantar aspects of the toes.

The veins of the lower limb are divided into the deep and superficial groups according to their relationship to the investing deep fascia of the leg. The deep veins accompany the corresponding major arteries. The superficial veins are the great and small (or long and short) saphenous veins and their tributaries (Fig. 180).

The small (short) saphenous vein commences at the ankle behind the lateral malleolus where it drains the lateral side of the dorsal venous plexus of the foot. It courses over the back of the calf, perforates the deep fascia over the popliteal fossa and terminates in the popliteal vein. One or more

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