Flexor Digitorum Longus

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Original Author(s): [email protected]
Last updated: January 16, 2023
Revisions: 3

Original Author(s): [email protected]
Last updated: January 16, 2023
Revisions: 3

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The flexor digitorum longus is a muscle within the deep compartment of the posterior leg. It is a thin muscle, located medially within the compartment.

  • Attachments: Originates from the medial surface of the tibia and attaches to the plantar surfaces of the lateral four digits.
  • Actions: Flexion of the lateral four toes.
  • Innervation: Tibial nerve
  • Blood supply: Posterior tibial artery

Fig 1 – Muscles in the deep layer of the posterior leg.