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Fibular Artery
Cardiovascular System

Fibular Artery

Arteria fibularis

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Quick Facts

Origin: Posterior tibial artery in the proximal one third of the posterior compartment of the leg.

Course: Descends along the posterior leg between the tibialis posterior and flexor hallucis longus muscles.

Branches: Nutrient artery, perforating, communicating, lateral malleolar, and calcaneal branches.

Supplied Structures: Soleus, tibialis posterior, flexor digitorum longus and flexor hallucis longus muscles, fibula, calcaneus, surrounding joints, connective tissue structures, and overlying cutaneous tissue.

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Origin

The fibular artery originates from the posterior tibial artery. This is about 2.5 cm distal to the popliteus muscle. The fibular artery may arise directly from the popliteal artery or, occasionally, more distally in the leg. Sometimes, the popliteal artery may trifurcate directly into the anterior and posterior tibial and fibular arteries (Standring, 2016).

Course

The fibular artery descends deep to the transverse intermuscular septum and overlying soleus muscle and superficial to the tibialis posterior muscle. More distally, it lies between tibialis posterior and flexor hallucis longus muscle, within a fibrous canal. Sometimes, it descends within the flexor hallucis longus muscle.

At the inferior tibiofibular syndesmosis, it divides into calcaneal branches that surround the lateral and posterior aspects of the calcaneus.

Branches

The fibular artery gives off:

- nutrient artery of the fibula;

- perforating branch;

- communicating branch;

- lateral malleolar branch;

- calcaneal branches.

Supplied Structures

The fibular artery contributes to the supply of the deep muscles of the posterior compartment (soleus, tibialis posterior, and flexor hallucis longus muscles) and lateral compartment of the leg (fibularis longus and fibularis brevis muscles). It also supplies the fibula, talus, and calcaneus, as well as the surrounding joints and connective tissue structures.

References

Standring, S. (2016) Gray's Anatomy: The Anatomical Basis of Clinical Practice. Gray's Anatomy Series 41st edition edn.: Elsevier Limited.

Learn more about this topic from other Elsevier products

Fibular Artery

ScienceDirect image

The fibular artery and vein often lie adjacent to the SPN (zoom or power Doppler, “pulsating dot” sign).

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