DISEASES OP NEEVES 259 



WJiOit are the pecuLia/rities of radial paralysis f 



Complete inability to support weigM with the leg. The. 

 ^ralyzed triceps extensor appears flabby and atrophies later. 

 Prognosis is favorable. 



WTiat are the peculiarities of crural nerve paralysis ? 



Since the triceps femoris is paralyzed the leg breaks 

 down in the attempt to support the weight of the body. 

 Later the mnscle atrophies materially. Those due to trumat- 

 isms have a favorable prognosis. 



What are the peculiarities of facial paralysis ? 



The paralyzed muscles are drawn over to the other side of 

 the face by their antagonists ; food accumulates between the 

 cheeks and teeth i the upper eyelid hangs down. 



What are the peculiarities of paralysis of the motor branch of 

 ' the trigeminal nerve ? 



Apprehension of food is difficult, the muscles concerned 

 ia mastication are paralyzed and atrophied, there is ptyalism, 

 food accumulates in the buccal cavity, the lower jaw hanga 

 down. 



Which points do you consider in maJcing a prognosis ? 



Decided atrophy and a paralysis of long standing demand 

 an unfavorable prognosis. When the paralyzed muscles do 

 not respond to the faradic current and atrophy is marked th& 

 prognosis is unfavorable. 



Peripheral nerves exposed to serious traumatism are often 

 incurable. I have had several cases of radial paralysis which, 

 required from nine to eleven months for recovery. 



Slight traumatism entitles to a favorable prognosis. 



A paralyzed muscle responding to the faradic current 

 *fter the fourteenth day of its paralysis, as well as one exhib- 



