IN THE REGION OF THE FEMORO -TIBIAL ARTICULATION, 103 



auimal, placing the hands over the stifle and comparing the 

 two joints. Occasionally abduction and inward rotation of 

 the diseased parts cause severe pain. 



Fig. 17. 



Bilateral chronic inflaniaiation of the stifle joint (Gonitis chronica 

 bilateralis). From a photograph. 



3. — Luxation of the Patella. 



History. — Lameness following slips, falls, kicks, etc. 



Inspection. — In momentary upward luxation lameness 

 may be so little that it is apt to be overlooked, or at the 

 moment the foot leaves the ground and is carried forward a 

 sudden upward jerk of it is seen, similar to stringhalt. 

 This peculiar movement can appear in one or both legs ; it 

 is best seen when the animal is turned around, or it is 



