Flexor digitorum longus muscle

Flexor Digitorum Longus Muscle

File:Flexor digitorum longus muscle.png

Flexor digitorum longus muscle

The Flexor Digitorum Longus Muscle is a muscle located in the lower leg that aids in the flexion of the four small toes. It is one of the three deep muscles of the posterior compartment of the leg, along with the tibialis posterior and the flexor hallucis longus.

Origin and Insertion

The Flexor Digitorum Longus originates from the upper three-quarters of the posterior surface of the body of the tibia, and it inserts into the plantar surface of the distal phalanges of the four lesser toes.

Function

The primary function of the Flexor Digitorum Longus is to flex the second through fifth toes. It also helps in plantar flexion of the ankle joint and inversion of the foot.

Clinical Significance

Damage to the Flexor Digitorum Longus can result in a loss of toe flexion and foot inversion. This can affect walking and balance, and may be a symptom of a more serious condition such as compartment syndrome or peripheral neuropathy.

See Also

• Muscles of the lower leg
• Flexor digitorum brevis
• Flexor digitorum profundus
• Flexor digitorum superficialis

References

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