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Fibula Anatomy: Location, Attachments & Key Relationships

Location: Lateral bone of the leg (calf), parallel to the tibia.

Key Attachments

  • Proximal: Lateral knee joint via lateral collateral ligament, biceps femoris tendon, popliteus tendon, and head of fibula.
  • Lateral: Fascia of the leg and peroneus (fibularis) longus muscle.
  • Anterior: Tibialis anterior muscle.
  • Distal: Forms the lateral malleolus, the bony prominence on the outer ankle.

The fibula is a non-weight-bearing bone but provides lateral stability and muscle attachment.

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