Summary Peroneus longus Origin Head of the fibula, upper 1/2 - 2/3 of lateral fibular shaft surface; also anterior and posterior intermuscular septa of leg Insertion Plantar 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) Arterial Supply Anterior tibial and peroneal arteries
Peroneus longus summary OBC What is the origin? Origin Head of the fibula, upper 1/2 - 2/3 of lateral fibular shaft surface; also anterior and posterior intermuscular septa of leg Show Bullets