14 



DISEASES OF THE HOKSE'S FOOT 



supplemented by the addition behind of a thick piece of 

 fibw-cartilaije {the glenoid) attached inferiorly to the posterior 

 edge of the upper articulatory surface of the os corona?, and 

 superiorly by means of three fibrous slips on each side to 

 the OS suffraginis. The innermost of these three 



Fig. 8. — Ligaments of the First and Second Interphalangeal 

 Articulations (viewed from the Side). (After Dollar and 

 Wheatley.) 



1, Outermost slip from the glenoidal fibro-cartilage ; 2, lateral ligament of 

 the first interphalangeal articulation ; 3, prolongations of the lateral 

 ligament of the first interphalangeal articulation attached to the end of 

 the navicular bone to form the postero-lateral ligament of the pedal joint ; 

 4, end of the navicular bone ; 5, antero-lateral ligament of the pedal 

 joint. 



becomes attached to about the middle of the lateral edge of 

 the suffraginis, and the remaining two, beneath the first, 

 attach themselves to nearer the lower end of that bone. 

 The posterior surface of the complementary cartilage forms 

 a gliding surface for the passage of the perforans. 



