DISSECTION OF T1IK LOWER EXTREMITY 



133 



(b) Common peroneal nerve (N. peronaeus communis) (0. T. external 



popliteal). 



(ba) Muscular branches (rami musculares). 



(bb) Lateral cutaneous nerve of calf (N. cutaneus surae lat- 



er alls}. 



(be) Peroneal anastomotic branch (ramus anastomoticus pero- 

 naeus) (0. T. nervus communicans fibularis). 



(c) Posterior cutaneous nerve of thigh (N. cutaneus femoris posterior) 



(0. T. small sciatic nerve). This nerve is found directly under- 

 neath the fascia. Its branches have already been referred to. 



(d) A branch of the obturator nerve (N. obturatorius) descends into 



the space in close relation to the artery. 



FIG. 52. 



M. adductor magnus 



N. tibialis 



Ramns muscularis 



M. semimembranosus 

 M. semitendiuosus 



A. poplitea 

 V. poplitea 



M. vastus medialis 

 A. genu sup. med. 



Fossa poplitea 



Twig to the 



A. poplitea 



A. suralis medialis 



Kami musculares 



Ramus articularis 

 A. genu inf. med. 



M. gastrocneralus 

 (caput mediale) 



M. soleus 

 Tendon of the M. 

 plantaris 



N. cut. snrae med. 

 M. popliteus 



M. bicipitis 

 femoris 



Caput 

 longum 

 Caput 

 breve 

 N. peronaeus mm- 



munis 

 Ramus artieularis for 



the knee-joint 

 Ramus muscularis 



A. genu sup. lat. 

 N. cut. surae lat. 

 A. genu nit-din. 



M. plantaris 

 A. suralis lateralis 



. peronaeus communis 



A. genu inf. lat. 



riK-in'iiiius f caput 

 laterale) 



Arcus tendincus M. ->l'i 

 Ramus anast. peronaeus 



N. suralis 



The popliteal spare. (After Toldt, Anat. Atlas, Wien, 1900, 2 Aufl., p. 631, Fig. 1010, and (3 lAufl ) p. 842, 

 Fig. 1278, and Cunningham, Manual of Prac. Anat., Phila., 1903, 3d ed., vol. i. p. 1 - 1. H 



Arteries. (Figs. 52 and 53.) 



(a) Popliteal artery (A. poplitea). Note especially the n-latu 



this artery bears to the structures contained in the sj >:< 



