Name Flexor hallucis brevisPronunciation (FLEK-sur HA-loo-sus BREV-is) Origin/Proximal Attachment Medial aspect of the cuboid lateral cuneiform Insertion/Distal Attachment Medial aspect of base of proximal phalanx of hallux (with Abductor Hallucis) Lateral aspect of base of proximal phalanx of hallux (with Adductor Hallucis) Action/Relevance Flexes big toe (at Metatarsophalangeal joint) Innervation Medial plantar nerve (L5, S1) | 
