8 May, 1907.I 



Lameness ni Horses. 



263 



fibrous slips which wind round to the front of the pastern bone and unite 

 with the tendon of the extensor pedis muscle forming what is known as the 

 broad ligament, which expands over the front of the short pastern bone 

 subjacent to the junction of the hoof with the skin. The suspensory 

 ligament acts as a pliable stay to keep the pastern bones and fetlock joint in 

 position and to prevent the latter from being borne down to the ground 



Pei-fnrans tendon. —. 



Clicrk ligament. _. 



I'evforatus tendon. .^ 



Suspensory ligament. • _« 



Insertion of perfonitus tendon. .^ _^ _^ __ 



Perforans tendon. 



— -- f 'iiiiiion bone. 



— — - Evtensor tendmi 



■ < Inter liranrli of susjiensory 

 ligament. 



Fig. 8. — Side view of bone.s, tendons, and ligaments of olf fore leg. (After Hayes.) 



when undue weight is thrown upon the limb. It is that portion of the 

 ligament between the knee and fetlock which is usually sprained — most 

 often one of the forked branches just above the fetlock joint ; and it is in 

 the gallop, particularly towards the end of a tiring race, that the sprain 

 occurs. This is because during the gallop the leadinfr fore leg has, at one 

 part of each stride, to bear the full weight of the body ; and the strain 



