FOSSA POPLITEA 



241 



be easily discovered as it runs along the proximal border of the 

 popliteus muscle. 



Nervus Peronseus Communis (O.T. External Popliteal). 

 This is the smaller of the two terminal branches of the sciatic 



Semitendinosus 



Semimembranosus 



Biceps femoris 



N. tibialis 



(O.T. int. popliteal) 



Origin of the N. 



anastonioticus 



peronssus 



Plantaris 



N. peronaeus 



communis (O.T. 



ext. popliteal) 



Soleus 



Lateral head of 



gastrocnemius 



(cut across) 



N. cutaneus surae 

 medialis (O.T. ramus 

 communicanstibialis) 



Superficial fascia 

 Deep fascia 



Gracilis 

 Sartorius 



A. genu superior 

 medialis 



Popliteal vessels 



Bursa between 

 capsule of knee and 

 tendon of semi- 

 membranosus 



Semimembranosus 



Lig. popliteum 

 obliquum 



A. genu inferior 

 medialis 



Semitendinosus 



V. saphena magna 

 Popliteus 



Medial head of m. 

 gastrocnemius (cut 

 across) 



Deep fascia 



- V. saphena parva 



FIG. 89. Popliteal Fossa. The two heads of the gastrocnemius and-portions 

 of the Semimembranosus and Semitendinosus have been removed so as to 

 display more fully the contents of the fossa. 



nerve, and it ends on the lateral side of the neck of the 

 fibula by dividing into the deep and the superficial peroneal 

 nerves. It does not traverse the entire length of the fossa 

 poplitea, for it runs distally and laterally along the medial side 

 of the biceps femoris, and leaves the fossa by following closely 



VOL. I 16 



