part of part of has muscle origin has muscle origin has muscle insertion has muscle insertion Homo sapiens flexor muscle sesamoid bone pes metatarsal bone of digit 1 distal tarsal bone flexor hallucis brevis muscle http://upload.wikimedia.org/wikipedia/commons/5/58/Musculus_flexor_hallucis_brevis.png flexor hallucis brevis muscle flexor hallucis brevis EMAPA:36259 m.flexor hallucis brevis musculus flexor hallucis brevis SCTID:181730007 A muscle that originates from the cuboid bone and divides into two portions, which are inserted into the medial and lateral sides of the base of the first phalanx of the great toe, a sesamoid bone being present in each tendon at its insertion. FMA:37449 UBERON:0011022 Wikipedia:Flexor_hallucis_brevis_muscle flexor digit I brevis intrinsic muscle of pes