Arcuate artery of the foot

Arcuate Artery of the Foot

Anatomy of the foot showing the arcuate artery.

The arcuate artery of the foot is a significant artery located in the dorsum of the foot. It plays a crucial role in the blood supply to the toes and the metatarsal bones.

Anatomy

The arcuate artery is a branch of the dorsalis pedis artery, which itself is a continuation of the anterior tibial artery. The dorsalis pedis artery travels along the top of the foot and gives rise to the arcuate artery.

The arcuate artery runs laterally across the bases of the metatarsal bones, beneath the tendons of the extensor digitorum brevis muscle. It is located superficial to the dorsal interossei muscles.

Branches

The arcuate artery gives off several dorsal metatarsal arteries, which further divide into the dorsal digital arteries supplying the toes. These branches ensure adequate blood flow to the phalanges and the dorsal aspect of the foot.

Clinical Significance

The arcuate artery is important in clinical assessments of peripheral circulation in the foot. It can be palpated in some individuals, and its pulse is an indicator of vascular health.

In cases of peripheral artery disease, the blood flow through the arcuate artery may be compromised, leading to symptoms such as claudication or ischemia in the foot.

Variations

There can be anatomical variations in the presence and course of the arcuate artery. In some individuals, the artery may be absent or replaced by an enlarged lateral tarsal artery.

Related Pages

• Dorsalis pedis artery
• Anterior tibial artery
• Metatarsal bones
• Peripheral artery disease