138 



THE SKELETON OF THE LOWER EXTREMITY 



Styloid process of the 

 fibula 



"~~ Apex capituli fibula 



Head of the fibula 



Capitulum fibulae 



Articular surface of 

 the head 



Facies articularis 

 capituli 



External border 

 Crista lateralis 



Shaft or body of the 



fibula (external surface) 



Corpus fibulae (facies 



lateralis) 



-Anterior border 



Crista anterior 



Interosseous ridge 

 Crista interossea 



Anterior border 



Crista anterior 

 Internal surface 

 Facies medialis 



Nutrient foramen 



Foramen nutricium 

 Internal border 

 Crista medialis 



Shaft or body of the 

 fibula 



Corpus fibulae 



Posterior surface 



Facies posterior 



Groove for the tendons 

 of the peroneus longus 

 and peroneus brevis - 

 muscles 



External malleolus 

 " Malleolas lateralis 



Articular surface of 



the external malleolus 



Facies articularis 



malleoli (lateralis) 



FIG. 340. EXTERNAL ASPECT. 



Fossa of the external 

 lateral ligament ot 

 the ankle-joint 



FIG. 341. INTERNAL ASPECT. 



THE RIGHT FIBULA OR PERONEAL BONE. 



Internal surface 

 Facies medialis 



Internal border 

 Mareo medialis ' 



Posterior surface Internal surface 



Facies posterior Facies medialis 



The Tibia 



Internal border' 



Crista medialis 



Anterior border 



Crista anterior 



External surface 

 Facies lateralis 



External border, or interosseous ridge 

 Crista interossea 



Interosseous ridge 

 .- Crista interossea 

 Anterior border 



\ Crista anterior 



External surface 



Facies lateralis 



External border 

 Crista lateralis 



Posterior surface 

 Facies posterior 



The Fibula 



FIG. 342. TRANSVERSE SECTION THROUGH THE MIDDLE OF THE BONES OF THE RIGHT LEG. 



WITH THE INTEROSSEOUS MEMBRANE, 



Ussa cruris Bones of the leg. 



