THE ARTICULATIONS OF THE LOWER LIMB 



249 



Calcaneum. or os calcis 



Astragalocalcaneal articulation - 



Articulatio talocalcanea 



Interosseous astragalocalcaneal ligaments 

 Lig. talocalcaneum mterosseum 



/External or superior caleaneo- 

 Lig. navioular ligament 1 (i) 



bifurcatum I Dorsal or superior calcaneo- 

 cuboid ligament' (2) 



The navioular bone 

 The cuboid bone Os cuboideum 

 The three cuneiform bones 

 Interosseous cubocuneiform ligament 

 Lig. cuneocuboideum interosseum 



Interosseous intercuneiform ligament 



Lig. intercuneiforme interosseum 



Dorsal proximal intermetatarsal ligaments ' 

 Lig. basium dorsalia 



Metatarspphalangeal articulation ,- 

 Articulatio metatarsophalangea 



Interphalangeal synchondrosis (var.) 

 Synchondrosis interphalangea (var.) 



Interphalangeal articulations of the fourth toe 



Articulationes digit! IV. 



(1) Pars calcaneonavicularis 



(2) Pars calcaneocuboidea 



Interosseous astragalocalcaneal ligament 



Lig. talocalcaneum interosseum 



Sustentaculum tali 

 Sustentaculum tali 



Deltoid ligament or internal lateral 

 ligament of the ankle-joint 



Lig. deltoideum 



The astragalus 



Astragalonavicular"] 

 i)l 



Transverse tarsal 

 articulation (3) I articulation' 2 

 Calcaneocuboid | Articulatio tarsi trans- 

 articulation <4)J versa (Choparti) 



Navioulocuneiform articulation 

 Articulatio cuneonavicularis 



Tarsometatarsal articulation 3 



Articulatio tarsometatarsea (Lisfranci) 



V? > - . Epiphysialdisc 



Synchondrosis epiphyseerc 



Epiphysial disc 

 Synchondrosis epipnyseos 



Epiphysial disc 



Synchondrosis epiphyseos 



(3) Articulatio lalonavicularis 



(4) A-iiculatio calcaneocuboidea 



1 See note * to p. 245. 



* Known also a< the me finiarsal or mirf-tarsal joint. It is through this joint (the two parts of which are, however, entirely separate 

 articulations) that the foot is divided in Choparl's amputation. 



> It is through the tarsometatarsal articulations that the foot is divided in Lisfranc's amputation. 



FIG. 488. ARTICULATIONES INTERTARSE/E ET TARSOMETATARSEA, THE INTERTARSAL AND TARSOMETATARSAL 

 ARTICULATIONS, SHOWING CHOPART'S (MF.DIOTARSAL) LINE, AND LISFRANC'S OR HEY'S TARSOMETATARSAL 

 LINE: LIGAMENTA TARSI INTEROSSEA KT LIGAMENTA CUNEOMETATARSEA INTEROSSEA, THE INTEROSSEOUS 

 LIGAMENTS OF THE TARSUS, AND THE INTEROSSEOUS METATARSOCUNEIFORM LIGAMENTS. ARTICULATIONES 

 INTERHETATARSRA, THE INTERMETATARSAL ARTICULATIONS. ARTICULATIONES METATARSOPHALANGEA, 

 THE MET VTARSOPH M.ANGEAL ARTICULATIONS. ARTICULATIONES DlGITORUM PEDIS, THE INTERPHALANGEAL 

 ARTICULATIONS OF THE TOES. THE RELATIONS OF THE EPIPHYSIAL Discs OF THE METATARSAL BONES AND 

 OF THE PHALANGES OF THE TOES TO THE RESPECTIVE ARTICULATIONS. (HORIZONTAL SECTION THROUGH THE 

 ARTICULATIONS OF THE RIGHT FOOT OF A YOUTH AGED SEVENTEEN YEARS. SUPERIOR SURFACE OF THE 

 LOWER SEGMENT.) 



Articulationes pedis The articulations of the foot. 



