Foot Vessels

IMAGING ANATOMY

Arteries

• Dorsalis pedis artery

Dorsal artery of foot

Direct continuation of anterior tibial artery, changing name at ankle joint

Course and relations

– Crosses superficial to talocrural articular capsule, talus, navicular, and intermediate cuneiform bones

– Passes deep to inferior extensor retinaculum and distal to extensor hallucis brevis

– Lies lateral to extensor hallucis longus tendon

– Passes to proximal end of intermetatarsal space and curves deeply to enter sole between heads of 1st dorsal interosseous muscle

– Forms part of plantar arch

Main branches

– Medial and lateral tarsal arteries: Arise at level of navicular bone

– Lateral tarsal artery runs under extensor digitorum brevis

– 2 or 3 medial tarsal arteries run on medial surface of tarsus

Arcuate artery: Arises at medial cuneiform level and runs laterally over metatarsal bases, deep to extensor tendons; gives off branches to metatarsals and toes

1st dorsal metatarsal artery: Arises just before dorsalis pedis dives deep into sole
• Posterior tibial artery

Continuation of calf vessel by same name, branch of popliteal artery

Runs in tarsal tunnel behind and below medial malleolus accompanied by tibial nerve

Divides into terminal branches (medial and plantar arteries) in tarsal tunnel

Medial plantar artery is smaller

– Runs in medial aspect of foot medial to medial plantar nerve, then deep to abductor hallucis and flexor digitorum brevis muscles

Lateral plantar artery is much larger than medial

– Runs in lateral aspect of foot lateral to lateral plantar nerve, then deep to abductor hallucis muscle and distally between flexor digitorum brevis and quadratus plantae muscles

– Distally runs between flexor digitorum brevis and abductor digiti minimi, then between base of 1st and 2nd metatarsals, and finally joins dorsalis pedis to form plantar arch
• Plantar arch

Arterial arch at level of metatarsals

Formed by dorsalis pedis and lateral plantar arteries

Gives off branches to metatarsals and toes
• Peroneal artery

Accompanies superficial peroneal nerve down anterolateral aspect of ankle and sends off perforating branch that joins communicating branch from anterior tibial artery

May join or replace posterior tibial artery

Veins

• Superficial veins

Great saphenous vein

– Arises from medial part of dorsal venous arch of foot

– Runs subcutaneously over muscles and tendons to pass anterior to medial malleolus

– Passes superiorly on medial aspect of calf and thigh to join common femoral vein at femoral triangle

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Tags: Diagnostic Ultrasound Musculoskeletal

Apr 9, 2020 | Posted by admin in MUSCULOSKELETAL IMAGING | Comments Off

IMAGING ANATOMY

Arteries

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Foot Vessels

Foot Vessels

Veins

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Foot Vessels

Foot Vessels

IMAGING ANATOMY

Arteries

Veins

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