LAMENESS IN THE PHALANGEAL KEGION. 



71 



affected joint is lield stiffly and the foot is picked up in a 

 snatching fashion. While at rest, the lame leg is inclined to 

 be abducted, as the phalanges are usually kept in volar 

 flexion. Swelling may be seen either on the inside, outside, 

 or in front of the large or small pastern bone. When on the 

 inside or outside of the large pastern bone, it is called 

 "peri -articular high ringbone "; should the swelling extend 



Fig. 11. 

 Articular Ringbone. 



from the inside or the outside to the anterior surface of this 

 bone, it is known as "articular high ringbone". The same 

 is true of the small pastern bone, only it is termed either 

 "peri-articular " or " articular low" ringbone. In the first 

 instance the swelling is on the inside or outside of the bone, 

 in the latter the swelling extends to the anterior face of that 

 bone in the shape of a ring, — that is, the enlargement 

 encircles the bone. Atrophy of the muscles of the leg, — a 



