flexor digitorum longus

Also found in: Acronyms.

flexor digitorum longus

the muscle that flexes the lateral four toes. It is involved with gripping the ground during walking and propelling the body forward off the toes at the end of the stance phase of gait. It is innervated by the tibial nerve.

flexor digitorum longus

; FDL extrinsic foot muscle, within deep compartment of lower-leg posterior muscle group
  • origin from medial part of posterior surface of tibia distal to soleal line

  • insertion tendon passes down posterior aspect of tibia, grooving medial posterior inferior margin of tibia (medial malleolus) and passing (deep to flexor retinaculum) into third layer of sole of foot, dividing into four tendons, each of which inserts into the plantar aspect of the terminal phalanx of a lesser toe

  • nerve supply tibial nerve

  • action flexion of metatarsophalangeal and interphalangeal joints of lesser toes; assists plantarflexion of ankle and foot inversion

References in classic literature ?
The proportional width of the gape of mouth, the proportional length of the eyelids, of the orifice of the nostrils, of the tongue (not always in strict correlation with the length of beak), the size of the crop and of the upper part of the oesophagus; the development and abortion of the oil-gland; the number of the primary wing and caudal feathers; the relative length of wing and tail to each other and to the body; the relative length of leg and of the feet; the number of scutellae on the toes, the development of skin between the toes, are all points of structure which are variable.
5] Bourrel, Bourges and Tourze (1967) reported twenty-three cases of drop foot (18 caused by leprosy), in which they had done dual transfer of the tendons of the tibialis posterior and flexor digitorum longus.
Tenotomy of the flexor digitorum longus tendons for patients with apex ulcers of the toes was particularly highlighted and practiced by the endocrinologist themselves.
This selectivity would allow for isolated plantar flexion, or alternatively, balanced inversion via stimulation of the fascicular group containing the tibialis posterior among weak plantar flexors such as the flexor digitorum longus and flexor hallucis longus.
Finally the trigger point in flexor digitorum longus (Travell and Simon, 1983) has a referral pattern to the lateral border of the foot with some pain in the lateral calf.
Insercion Flexor Digitorum Longus / Flexor Hallucis Longus.
flexor digitorum longus attach on the palmar surface.
Recently, intrasynovial donor tendons have been harvested from the flexor digitorum longus tendons of the foot in humans [16].
26,27) Finally, two toe flexors also contribute to plantar flexion: the flexor hallucis longus and flexor digitorum longus.
Magnetic resonance imaging of anomalous leg muscles: Accessory soleus, peroneus quartus and the flexor digitorum longus accessorius.
Expose and mobilize by careful dissection, the tendons of the tibilalis posterior, flexor digitorum longus, and flexor hallucis longus and the posterior tibial neurovascular bundle.
This second MTPJ subluxation was treated surgically via a flexor digitorum longus tendon transfer.

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