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The fibula

Descriptive anatomy of the posterolateral bone of the leg: orientation, shaft, and articular ends.

  • 15 explained questions
  • 15 flashcards
  • 52 estimated course minutes

Updated

What you will learn

  • Locate and orient a fibula from its distal end.
  • Describe the shaft, its surfaces, borders, and interosseous crest.
  • Recognize the landmarks and articular relations of the proximal and distal ends.
  • Explain the neural and articular risks of fractures at the neck, proximal fibula, and lateral malleolus.

Course outline

  1. Locating and orienting the fibula

    A first reading of the fibula: the posterolateral bone of the leg, its joints, and its three orientation landmarks.

    8 min

  2. Fibular shaft

    Shaft form changes from its superior two thirds to its inferior third; its surfaces and borders provide the descriptive landmarks.

    12 min

  3. Proximal end

    The fibular head, its lateral apex, and its narrowed neck organize the superior relation with the tibia.

    10 min

  4. Distal end

    The flattened distal end bears a rough tibial field and a malleolar surface for the talus on its medial surface.

    10 min

  5. Clinical implications from the head to the malleolus

    Relate fractures of the fibular neck, proximal fibula, and lateral malleolus to the common fibular nerve and ankle stability.

    12 min

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