172 



THE HORSE 



appearance, and terminate in the powerful tendons which, 

 in conjunction with lesser ones not so easily seen, raise and 

 bend the leg and foot. The posterior muscle (e) is the 

 external flexor, the middle (i) being the extensor digitorum 



PLATE IX. 



Muscles of the Hind-quarters. 



Seat of curb 



I Glutceus Externus. 

 m Glutoeus Medius. 

 n Triceps femoris. 

 Biceps. 

 p Gastrocnemi. 



q Flexor Pedis. 



V Extensor Pedis, 

 w Peronseus. 

 X Vastus Externus. 

 y Musculus fasciae lata;. 



z Rectus. 



longior, and the front one (h) the extensor carpi radialis. 

 Provided these are of good volume, the remainder will be 

 also v^ell developed, and as the retractile force of a muscle 

 depends chiefly upon its length, the desirability is evident 

 of the arm being long as well as large. 



The prolongation of the muscles, in the form of tendons, 

 below the knee are generally spoken of as " the back 

 sinews," referring to those at the back of the leg, which are 



