THE SKELETON OF THE LOWER EXTREMITY 



143 



Posterior articular facet 

 Facies articularis posterior 

 Anterier articular facet / 



Facies articularis anterior/ 



Interosaeous groove 

 Sulcus calcanei \ 



Articular facet for the 

 cuboid bone 



Facies articularis cuboidea 



Groove of the tendon ot the / 

 flexor longus hallucis '' 

 Sulcus m. flexoris hallucis longi 



External tubercle of the tuberosity of the calcaneum \ 

 Processus lateralis tuberi 



Internal articular facet 

 Facies articularis media 



/Sustentaculum tali Sustentaculum tali 



Tuberosity of the calcaneum 



Tuber calcanei 



'Body of the calcaneum 

 "Corpus calcanei 



Groove of the peroueus 

 longus tendon 



- Sulcus m. peronasi longi 



Trochlear process, or 

 peroneal spine (var.) 

 Processus trochlearis 

 2 (var.) 



Internal tubercle of the 

 tuberosity of the calcaneum 

 Processus medialis tuberis 



: External tubercle of the tuberosity 



of the calcaneum 

 Processus lateralis tuberis 



F IG - 353- SEEN OBLIQUELY FROM 

 WITHIN AND BEFORE. 



FlG - 354- SEEN OBLIQUELY FROM 

 WITHOUT AND BEHIND. 



THE RIGHT CALCANEUM OR Os CALCIS. 



Head of the astragalus (articular 

 facet for the navicular bone) 



Caput tali (facies articularis navicularis) 



Neck of the astragalus _ 



Collnm tali 



Interosseous groove 



Sulcus tali 



Body of the astragalus 



Corpus tali 



Articular facet for the 

 external malleolus 



Facies malleolaris lateralis 



Anterior articular 



facet for the 



calcaneum 



Facies articularis cal- 

 canea anterior 



Internal articular facet 

 for the calcaneum 



Facies articularis calcanea 



media 



Posterior articular 

 facet for the calcaneum 



Facies articularis calcanea 

 posterior 



Groove of the tendon of 

 the flexor longus hallucis 



Sulcus m. flexoris hallucis longi 



Articular facet 



for the 

 internal malleolus 



Facies malleolaris 

 medialis 



Internal tubercle 



Tuberculum mediale j 



Groove of the tendon of j 

 the flexor longus hallucis ' 



Sulcus in. flexoris hallucis longi 



Superior articular surface 



of the astragalus 

 Trochlea tali (facies superior) 

 Articular facet for the 

 external malleolus - 

 Facies malleolaris lateralis 

 .'External process of 



the astragalus 

 *Processus lateralis tali 

 Posterior process of the 



astragalus 

 Processus posterior tali 



--External tubercle 



Tuherculum laterale 



. 355- SEEN FROM BELOW. FIG. 356. SEEN FROM BEHIND. 



THE RIGHT ASTRAGALUS. 



Articular facet for the calcaneum 

 Facies articularis calcanea 



internal 



media 



posterior 



posterior 



Interosseous groove 



Sulcus tali 



- Internal tubercle 



Tuberculum mediale 



Groove of the tendon of the flexor longus nallucis 



Sulcus m. flexoris hallucis longi 



' Os trigonum (var. ) (external tubercle) 

 Cs trigonum (var.) (tuberculum laterale) 



FIG. 357.THE RIGHT ASTRAGALUS. WITH AN Os TRIGONUM (VAR.). SEEN FROM BELOW. 



Qssa tarsi Bones of the tarsus. 



