Last reviewed dd mmm yyyy. Last edited dd mmm yyyy
Flexor digitorum longus is one of the deep muscles of the posterior lower limb. It originates from the posterior and middle third of the tibia below the soleal line, and the adjoining interosseous membrane. Its tendon passes inferiorly posterior to the medial malleolus and around the sustentaculum tali to enter the sole of the foot. In a plane more superficial to flexor hallucis, it divides into four tendons. These insert into the bases of the distal phalanges of the lateral four toes.
It is innervated by the tibial nerve (S1,S2).
Flexor digitorum longus has the following actions:
Annotations allow you to add information to this page that would be handy to have on hand during a consultation. E.g. a website or number. This information will always show when you visit this page.