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Illustration of the fibula[1]
  • General
    • Is the smaller of the two bones of the leg.
    • Not directly involved in the transmission of weight.
    • Is important for ankle stability.
    • Acts as a site for numerous muscle attachments.
    • Consists of a head, shaft and distal malleolus.
  • Anatomic Description
    • The head of fibula is irregular with a small tubercle called the styloid process.
    • The head articulates with the tibia to form the superior tibiofibular joint via an articular surface.
    • The shaft has three borders and three surfaces.
    • The shaft anterior border runs from the anterior aspect of the head to the triangular shaft proximal to the lateral malleolus.
    • The shaft posterior border runs from the styloid process to the medial aspect of the posterior groove of the lateral malleolus.
    • The shaft medial border is medial to the anterior border.
    • The Lateral malleolus has a triangular facet that articulates with the talus.


Vascular supply

  • Branches of the fibular artery.
  • Arterial anastomoses at the knee and ankle.


  • Common fibular nerve branches.

Clinical Significance

See Also


  1. Image courtesy of teachmeanatomy.info, "The Fibula"
Created by:
Alaa Khader on 28 June 2022 10:03:53
Last edited:
28 June 2022 13:25:54