TARSAL ARTICULATIONS. 169 



INTERNAL LATERAL, or DELTOID. 

 Origin Inner malleolus. 

 Insertion Scaphoid, os calcis, and astragalus. 



TARSAL ARTICULATIONS. 



1. Between proximal row. 



2. Between distal row. 



3. Between the two rows. 



Between the Proximal Row, or Astragalus and Os Calcis. 

 LIGAMENTS : 



EXTERNAL CALCANEO-ASTRAGALOID. 

 Origin Outer side of calcaneum. 

 Insertion Outer side of astragalus. 

 INTERNAL CALCANEO-ASTRAGALOID. 



Origin Upper surface of calcaneum. 

 Insertion Posterior side of astragalus. 

 INTEROSSEOUS. Attached to the groove on os calcis 



and astragalus. 

 Between the Distal Row. constituting the Scaphoid, Cuboid, 



and Tliree Cuneiform. 

 LIGAMENTS : 



DORSAL. Pass from bone to bone. 

 PLANTAR. Pass from bone to bone. 

 FOUR INTEROSSEOUS. Pass between the adjoining 

 bones. 



Between the Two Roics. 



1. Between the os calcis and cuboid. 

 LIGAMENTS : 



DORSAL, SUPERFICIAL CALCANEO-CUBOID. Passes from 



os calcis to cuboid. 

 DORSAL, INTER-CALCANEO-CUBOID. Passes from os calcis 



to cuboid. 

 PLANTAR, LONG CALCANEO-CUBOID. 



Origin In front of tubercles of os calcis. 



