868 



FRACTURES OF THE PHALANGES. 



examination is required to detect fissures. The sudden severe 

 lameness, associated with volar flexion of the fetlock, is apt to give 

 the impression thai the case is one of distortion, and therefore the 



Ft<;. 491. — Fracture of os suffragii 



Fit:. 492.— Fracture of os suffraginis 

 with formation of exostosis. 



limb should always be examined for fracture wherever lameness 

 is of sudden onset and severe. In suspected split-pastern when 

 passive rotation of the foot produces no crepitation, the anterior 



Fig. 493. Transverse frac- Fig. 494.— Double fracture Fig. 495.— Longitudinal 

 fcure of os suffraginis. of upper end of os suffraginis. fracture of os suffraginis. 



surface of the pastern should be firmly manipulated, beginning at 

 the centre of the upper end. Starting from this point, a line of 

 increased sensibility may be traced nearly corresponding to the 

 course of the extensor tendon, and passing towards one or other 



