THE FEMORAL MUSCLES. 



637 



Fig. 609. 



Sacrum 



Greater sacro-sciatic 

 ligament 



Tuberosity of ischiunv 



Biceps, origin 

 Semitendinosus, origin 



Adductor magnus 



Crest of ilium 



Gluteus medius 



Pyriformis, cut 



Obturator internus 



Greater trochanter 



Quadratus femoris 

 Tendon of vastus e.xternus 



Gluteus maximus, insertion 



\'astus externus 



Biceps, short head 



—Biceps, long head, cut 



Adductor magnus- 



Tendon of semimembranosus 



Popliteua 



Aponeurotic expansion from tendon of 

 i semimembranosus to posterior liga- 



, ment of knee-joint 



Fibula 



Tibia 



Deeper dissection of posterior surface of right buttock and thigh, exposing semimembranosus 



and short head of biceps muscles. 



