32 LAMENESS IN THE HORSE. 



1. Painful affections about the breast, as in disease of 

 the superficial pectoral muscle, sternal fistula. 



2. Formation of splints, between the inner small and 

 large metacarpal bones, exostoses and periostitis close to 

 the carpal articulation. 



3. Disease of the external lateral ligaments of joints, as 

 in distortion of the coronet joint, ringbone, particularly 

 when the outer wall of the hoof is longer than the inner one. 



4. Painful conditions of the muscular or tendinous portion 

 of the deltoid or postea-spinatus muscles, and paralysis of 

 the same. 



5. Diseases of the outer half of the hoof, such as corns, 

 quarter crack, nail-prick, etc. 



Supporting-leg lameness, with abnormal position of the 

 entire limb, as adduction, is present in : 



1. Disease of the shoulder joint ; this often causes the 

 tendon of the postea-spinatus to become quite prominent. 



2. Diseased condition of the subscapularis and teres 

 major muscles, which is often overlooked on account of the 

 hidden position of these muscles. 



3. Hoof diseases. 



Supporting-leg lameness, with abnormal position of the 

 entire limb, as pointing backwards, is present in : 



1. Inflammation of the flexor brachii and its bursa. 



2. Diseased couditions of the posterior section of the 

 hoof, as corns, contracted heels, disease of the plantar 

 cushion. 



Supporting-leg lameness, with abnormal position of the 

 entire limb, as pointing forward, is present in : 



1. Hoof diseases, as founder and navicular disease. 



2. Diseases of tendons and their sheaths. 



