Updated: 2/12/2018

Peroneus Longus

Review Topic

Origin Head of fibula, upper 1/2 - 2/3 of lateral fibular shaft surface; also anterior and posterior intermuscular septa of leg
Insertion Plantar posterolateral aspect of medial cuneiform and lateral side of 1st metatarsal base
Action Everts foot and plantar flexes ankle; also helps to support the transverse arch of the foot
Innervation Superficial peroneal nerve (L5, S1, S2); may also receive additional innervation from common or deep peroneal nerves (L5, S1, S2)
Arterial Supply Anterior tibial and peroneal arteries




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