Flexor Digitorum Longus
by Dr. Gary Farr on 27 June 2002
1
Origin Posterior surface of tibia distal to popliteal line Insertion Splits into four slips after passing through medial intermuscular septum of plantar surface of foot; these slips then insert on plantar surface of bases of 2nd - 5th distal phalanges Action Flexes toes 2 - 5; also helps in plantar flexion of ankle Innervation Tibial nerve (S2, S3) Arterial
SupplyMuscular branch of posterior tibial artery
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