innervated by innervated_by has muscle origin has muscle origin has muscle insertion has muscle insertion tibia tibial nerve muscle of leg flexor digitorum longus http://upload.wikimedia.org/wikipedia/commons/9/92/Gray442.png MA:0002299 UMLS:C1261048 UBERON:0001666 BTO:0000466 EMAPA:36248 FMA:51071 SCTID:181703002 NCIT:C52921 The Flexor digitorum longus is situated on the tibial side of the leg. At its origin it is thin and pointed, but it gradually increases in size as it descends. This muscle serves to curl the second, third, fourth, and fifth toes (flexion of phalanges II-V). [WP,unvetted]. Wikipedia:Flexor_digitorum_longus pedal digit 2 phalanx pedal digit 3 phalanx pedal digit 4 phalanx pedal digit 5 phalanx