THE ARTICULATIONS OF THE LOWER LIMB 



243 



The tibia 



("Internal malleolar surface 

 Superior articular surface | Facies malleolarismedialis 



of the astragalus 

 Trochlea tali 



Middle or tibial surface 



Facies superior 



Dorsal naviculocunei-"\ 

 form ligaments I " 



Ligg. navicularicunei- f. 

 formia dorsalia 



Neck of the astragalus 

 Collum tali 



Astragalonavicular ligament 

 Lig. talonaviculare (dorsale)N, 

 Head of the astragalus 

 Caput tali 



Internal or first cuneiform bone (i) 

 Tuberosity of the cuboid bone 

 Tuberositas ossis cuboidei 



Tuberosity of the nayicular bone / 

 Tuberositas ossis navicularis 

 Superficial portion of the inferior calcaneo- , 

 cuboid ligament (long plantar ligament) ' 

 Lig. calcaneocuboideum plantare 



The fibula 



Fibula 



Internal malleolus 



/Malleolus medialis 



Deltoid ligament, or internal lateral 

 1 / ligament of the ankle-joint 

 ft / Lig. deltoideum 



.Anterior astragalotibial portion of 



the internal lateral, or deltoid, 



ligament of the ankle-joint 



Lig. talotibiale anterius 

 Superior articular surface of the 

 > astragalus Trochlea tali 



Posterior astragalotibial portion of 

 the internal lateral, or deltoid, 

 ligament of the ankle-joint (2) 

 Outer tubercle of the posterior 

 process of the astragalus (3) 

 ,--Groove of the tendon of the flexor 



longus hallucis muscle (4) 

 Inner tubercle of the posterior 

 process of the astragalus (5) 

 Astragalocalcaneal 



articulation 

 ^rticulatio talocalcanea 



- Calcaneum, or os 

 calcis 



Sinus tarsi, or canal 



for the interosseous 



astragalocalcaneal 



ligament 



Sinus tarsi 



1 Internal astragalocal- 

 caneal ligament 

 Lig. talocalcaneum mediate 

 Sustentaculum tali 

 Sustentaculum tali 



Fibrocartilaginous middle portion of the internal cal- 

 caneonavicular ligament 1 Fibrocartilago navicularis 

 Deltoid ligament, or internal lateral ligament of the ankle-joint 

 Lig. deltoideum 



Inferior portion of the internal calcaneonavicular ligament 

 Lig. calcaneonaviculare plantare 



([) Os cuneiform* I. ( 2 ) Lig. talotibiale posterius (3) Tuberculum laterale (4) Sulcus m. flexoris hallucis long! (5) Tuberculum mediate 



1 See note ' to p. 248. 



FIG. 482. THE DEEP INTERNAL LIGAMENTS OF THE ANKLE-JOINT AND OF THE ASTRAGALO- 

 CALCANEAL ARTICULATION. (THE RIGHT TARSUS, WITH THE ADJOINING PORTIONS OF THE 

 TIBIA AND FIBULA AND OF THE FIRST METATAKSAL BONE ; SEEN FROM THE INNER SIDE.) 



The deltoid ligament (internal lateral ligament of the ankle-joint) has been cut across the middle, and 

 the divided ends have been turned up and down. The capsular ligaments of the ankle-joint and 

 of the astragalocalcaneal articulation have been removed, except for the deeper special bands. 



Articulationes pedis The articulations of the foot. 



312 



