has muscle origin has muscle origin has muscle insertion has muscle insertion fibula metatarsal bone of digit 5 peroneus fibularis brevis http://upload.wikimedia.org/wikipedia/commons/3/3d/Gray357.png The peroneus brevis muscle (or fibularis brevis) lies under cover of the peroneus longus, and is a shorter and smaller muscle. fibularis brevis UBERON:0010526 peronius brevis peroneus brevis peroneus brevis muscle peronaeus brevis EMAPA:36252 Wikipedia:Peroneus_brevis SCTID:181704008 musculus peroneus brevis FMA:22540