Fibula

Seattle Figure Studio
Sep 18, 2025
Review Pending

Summary

The fibula is the slender lateral bone of the leg that runs parallel to the 🦴 tibia. It bears little weight but provides surfaces for muscle attachment and forms the outer part of the ankle joint.

Illustrations

Anatomography, CC BY-SA 2.1 JP, via Wikimedia Commons
Braus, Hermann, Public domain, via Wikimedia Commons

Bony Landmarks

Head #

Rounded proximal end articulating with the 🦴 tibia.

Lateral malleolus #

Distal projection forming the outer ankle and attachment point for the fibular collateral ligament.

Neck #

Narrow region just distal to the head.

Shaft #

Long, thin body of the bone.

Muscle Origins #

Posterior proximal fibula

Proximal lateral fibula

Muscle Insertions #

Head of fibula

References