Name Extensor digitorum brevis (foot)Pronunciation (eks-TEN-sor dij-I-TOR-um BREV-is) Origin/Proximal Attachment Upper anterolateral calcaneus; inferior extensor retinaculum Insertion/Distal Attachment Middle & distal phalanges of2nd-4th toes (via Extensor Digitorum Longus) Action/Relevance Extends 2nd-4th toes Innervation Deep Peroneal nerve (L4, 5) | 
