has muscle origin has muscle origin has muscle insertion has muscle insertion has muscle antagonist tibialis anterior fibularis longus http://upload.wikimedia.org/wikipedia/commons/9/9c/Gray1240.png FMA:22539 peroneus longus MA:0002356 A superficial muscle in the lateral compartment of the leg, and acts to evert and plantar flex the ankle. It is situated at the upper part of the lateral side of the leg, and is the most superficial of the three peroneus muscles. It is innervated by the superficial fibular nerve (superficial peroneal nerve). [WP,unvetted]. UMLS:C0224469 EMAPA:36253 peroneus longus muscle Wikipedia:Peroneus_longus NCIT:C53171 peronaei longus SCTID:361825008 peroneus longus muscle fibularis longus galen:PeroneusLongus peroneous longus musculus peroneus longus UBERON:0001387 fibularis longus muscle peronaeus longus fibula metatarsal bone of digit 1 peroneus