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Fibula pictures     Study-tutorialPractical: 1. Living anatomy 2. Museum


                
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Fibula
   
Muscular attachments

Muscles

Origin

Peroneus longus  

Peroneus brevis

Peroneus tertius

Extensor digitorum longus

Extensor hallucis longus

Insertion

Biceps femoris

Soleus

Flexor hallucis longus

Peroneus brevis 

Fibular features

Fibular

Lateral malleolus

Lateral malleolar fracture

Inversion fractures of ankle

Fibular borders

Fibular surfaces

Apex of head of fibula

Head of fibula

Crista medialis

Medial crest of fibula

Fibular notch

Fibular facet

Fibula is the lateral bone of the leg.  It is much thinner  than the tibia. Its head is placed proximally and its shaft is in its middle. Its middle has a crista medialis. The lateral malleolus is its most distal part.

The fibula has three main parts- the head, which is provided with an apex that is a distinguishing feature. This apex distinguishes the head from the distal lateral malleolus which has a rounded lower extreme with the triangular subcutaneous surface just above it. The fibula also has a long shaft which is provided with a crista medialis (medial crest) close to its interosseous border. The two (crista medialis and interosseous border)- should not be confused with each other. Fibula has a triangular area just proximal to the  lateral malleolus which is subcutaneous and placed  in front and may be used to determine the anatomical position  of the bone.

The distal end of the fibula expands slightly into an inferior projection from the shaft which presents the lateral malleolus of  the ankle. The malleolus forms the lateral pillar of the ankle joint, the medial being formed by the tibial medial malleolus.

Fibula is the lateral bone of the leg.  It is much thinner  than the tibia.

BORDERS:  Fibula has three borders (interosseous, posterior, anterior)

SURFACES: Fibula has three (lateral, anteromedial, posterior) surfaces.  

Ligaments attached to fibula are as follows

 

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