Flexor Hallucis Longus

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Original Author(s): [email protected]
Last updated: January 16, 2023
Revisions: 4

Original Author(s): [email protected]
Last updated: January 16, 2023
Revisions: 4

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The flexor hallucis longus is a muscle within the deep compartment of the posterior leg. It is located laterally within this compartment (this is slightly counter-intuitive, as it is the opposite side to the great toe).

  • Attachments: Originates from the posterior surface of the fibula and attaches to the plantar surface of the phalanx of the great toe.
  • Actions: Flexion of the great toe.
  • Innervation: Tibial nerve
  • Blood supply: Posterior tibial artery

Fig 2 – Muscles in the deep layer of the posterior leg.