Plantar arch

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Artery: Plantar arch
The plantar arteries. Deep view.
Latin arcus plantaris profundus
Gray's p.639
Source lateral plantar artery, deep plantar artery
Branches plantar metatarsal arteries
Vein plantar venous arch

The plantar arch is a circulatory anastomosis formed from:

The plantar arch supplies the underside, or sole, of the foot.

The plantar arch runs from the 5th metatarsal and extends medially to the 1st metatarsal (of the big toe).

The arch is formed when the lateral plantar artery turns medially to the interval between the bases of the first and second metatarsal bones, where it unites with the deep plantar branch of the dorsalis pedis artery, thus completing the plantar arch (or deep plantar arch).

The spring ligament, long plantar ligament, short plantar ligament, and plantar aponeurosis also support the plantar arch. The tibialis anterior and posterior tendons also help to pull the arch up.

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This article incorporates text from a public domain edition of Gray's Anatomy.