Updated: 2/12/2018

Flexor Digitorum Longus

Review Topic

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) (S2, S3)
Arterial Supply Muscular branch of posterior tibial artery




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