CART HORSES. 



35 



MANNER IN WHICH THE SUSPENSOKY LIGAMENTS OF 

 CART-HORSES GET SPRAINED.— "When sprain of a suspensory 

 liga-ment occurs in cart-horses, it is usually in the hind legs, and 

 is due to extreme extension of the foot, as when going down hill 

 with a heavy weight behind. Consequently it occurs less frequently 



Radi 



Upper row of small ] 

 bones of knee J 



Lower row of ditto 



Cannon hone 



Long pastern bone 

 (os stiffragiiiis) 



Short pastern bone 

 (os coroiiic) 



Pedal bone (os pedis) 



Trapezium 



Outer splint bone 



Sesamoid bones 



Fig. 8. — Bones of lower part of fore leg. {After Chauveaii.) 



when drawing four-wheeled carts which have a brake, than with 

 two-wheeled carts, the load of which, when going down hill, has 

 to be kept back by the breeching. Cart-horses with oblique hind 

 pasterns appear to be more liable to this injury, than those of a 

 different conformation. Here we have the ill effects of a mechanical 

 disadvantage. 



In all horses, sj^rain of the suspensory ligament may occur when 

 getting up off a slijDpery floor, on account of excessive extension 



3* 



