SOUND AND UNSOUND HORSES 



V 



The hock has four surfaces, viz., front 

 and back (anterior and posterior), inner 

 and outer. 



The front face is often termed the fold 

 of the hock. The tendons of the flexor 

 metatarsi and extensor of the phalanges 

 comes over it, whilst the saphena vein 

 (the distension of this constitutes the 

 so-caUed blood spavin) crosses it 

 obliquely. 



The hind face shows the point of the 

 hock. 



Inner Face. — This is convex in front. 

 Three small bony eminences are present 

 upon it. The first of these is in the 

 middle, and almost on a level with the 

 point of the hock. The second one 

 •is lower down and a little behind 

 it, whilst the third projection is 

 a little further backwards, but just 

 where the cannon, begins. It is on 

 this face that a portion of the lubri- 

 cating membrane of the joint is unsnp- 



35 



