420 



THE INFERIOR EXTREMITY 



in size, and the malleolar branches of the anterior tibia! 

 artery are frequently not injected in ordinary subjects. 

 The Ligaments of the Ankle Joint are : 



1. Capsula articularis. 



2. Ligamentum deltoideum. 



3. Ligamentum talofibulare anterius. 



4. Ligamentum talofibulare posterius. 



5. Ligamentum calcaneo-fibulare. 



Dissection. After the arterial anastomoses around the ankle 

 joint have been studied pull aside the remains of the arteries and 



Fibula 



Posterior ligament of 



lateral malleolus (O.T. 



Posterior inferior tibio- 



fibular ligament) 



Articular surface of 



talus 



Posterior talo-fibular 

 ligament^ 

 Calcaneo-fibular 



Posterior talo- 

 calcanean ligament 

 Calcaneus ; 



Tibia 



Anterior ligament of lateral malleolus 

 (O.T. Anterior inferior tibio-fibular ligament) 



Articular surface of talus 



Anterior talo-fibular ligament 



Dorsal talo-navicular ligament 

 Talo-navicular joint 



Lateral calcaneo-navicular ligament 

 Dorsal cuneo-navicular 

 and cubo-navicular ligamer 

 Second cuneiform 



Third cuneiform 



Cuboid 



)rsal calcaneo-cuboid ligament 

 Calcaneo-cuboid joint 

 Tendon of peronaeus longus 

 Calcaneo-navicular part of bifurcate ligament 

 Talo-calcanean joint 

 Lateral talo-calcanean ligament 



FIG. 194. Ligaments on the Lateral Aspect of the Ankle Joint and on 

 the Dorsum of the Tarsus. 



nerves, and clean carefully the anterior and posterior parts of 

 the capsule, both of which are extremely thin and easily injured. 

 When the attachments and relations of the anterior and posterior 

 parts of the capsule have been demonstrated remove both parts 

 in order to bring the medial and lateral accessory ligaments more 

 fully into relief. 



Capsula Articularis. The anterior and posterior parts of 

 the fibrous stratum of the articular capsule are very thin. 

 Medially the fibrous stratum blends with the deep surface of 



