Origin Inferior 2/3 of lateral fibular surface; also anterior and posterior intermuscular septa of leg Insertion Lateral surface of styloid process of 5th metatarsal base Action Everts foot and plantar flexes ankle Innervation Superficial peroneal nerve (L5, S1, S2) (L5, S1, S2) Arterial Supply Muscular branches of peroneal artery