THE QUADEICEPS EXTENSOR CRURIS. 



157 



The muscular mass is in part covered by the sartorius and rectus, forms 

 hut it projects between those muscles below. Some of the lower 

 fibres are almost transverse, and will be able to draw the patella 

 inwards. 



The CRUREUS arises from the upper three-fourths of the anterior Crureus has 



widest 



and outer surfaces of the femur, except where they are occupied by or i giu . 



Glutens minimus, 

 Vastns externus. 



Pyriformis. 



Obturator interims and gemelli. 



Anterior inter-trochanteric 



line. 



Ilio-psoas. 

 Vastus intemus. 



Suborureus. 



Popliteus. 



Fia. 60. THE FEMUR PROM THE FRONT. 



the vastus externus (figs. 60 and 61), and from the lower half of the 

 external inter-muscular septum. Its fibres end, like the other common 

 parts, in an aponeurosis which enters into the common tendon. 

 The rectus and vast! cover the crureus except for a small extent 



at its lower and hinder part. It lies upon the bone and the sub- is deepest 

 1 part of all 



crureus muscle. 



The common or suprapatellar tendon resulting from the union of Common 

 the foregoing is attached to the fore part of the upper border of the 

 patella. It is oblong in shape, and about three inches long. A few 



