144 PERONEAL TENOTOMY. 



ately on the anterior border of the tendon insert the teno- 

 tome so far that the point of it can be felt on the lateral or 

 outer side through the skin with the left hand. The cut- 

 ting edge of the knife is then turned against the tendon of 

 the flexor pedis, that is, it is directed backward, the foot is 

 extended by an assistant with the aid of a rope bound 

 around the pastern and looped over the hoof, and the ex- 

 tensor pedis tendon is cut through under light pressure, the 

 operator pressing the handle of the knife downward and 

 forward, using the metacarpus or suspensory ligament as a 

 fulcrum upon which the back of the tenotome rests as a 

 lever. A loud cracking, as well as the disappearance of 

 resistance to extension shows that the tendon has been 

 severed. By keeping as close to the anterior border of the 

 tendon as possible we can avoid injury to the plantar nerve, 

 the common digital artery, the internal cutaneous, and the 

 internal and external interosseous veins which run between 

 the flexor pedis and the suspensory ligament. 



After the removal of the knife and seeing that there is a 

 wide space between the ends of the tendon, the foot is un- 

 bound from the splint and a bandage applied to the meta- 

 carpus, which rests upon the fetlock joint and remains in 

 position for eight days. Healing of the cutaneous wound 

 by primary union. 



35. PERONEAlj TENOTOMY. 

 Pl<ATB XXIII. 



Object. The relief of Stringhalt. 



Instruments. Razor, scissors, sharp tenotome. 



Technic. On the lateral side of the metatarsus a triangle, 

 d, opening toward the tarsus is formed by the tendons of the 

 extensor pedis longus muscle, /, and the lateral extensor of 

 the foot, e, which unite on ,the anterior surface of the middle 

 of the metatarsus. The synovial sheath of the extensor 



