THE LUMBAR PLEXUS. 



853 



Anterior cruroL 



External 

 saphenous. 



-Anterior tibial. 



interior division 



of obturator. 

 Internal 

 cutaneous. 



Internal 

 saphenous. 



FIG. 505. Cutaneous nerves of lower ex- 

 tremity. Front view. 



FIG. 506. Kerves of the lower extremity. Front view. 



The External Cutaneous Nerve arises from the second and third lumbar nerves. 

 It emerges from the outer border of the Psoas muscle about its middle, and 



