Muscles of the Back. 



169 



Xff. 



223. The Broad Muscles of the Back 



M. levator scapulae arises from the transverse processes of the four 

 upper cervical vertebrae, and is inserted into the inner superior angle 

 of the scapula. (Raises this angle.) 



M. serratus posticus superior arises from the spinous processes of 

 the 6. and 7. cervical and I. and II. dorsal vertebrae, and is inserted 

 into the 2. 5. ribs. (Elevates the ribs.) 



M. serratus posticus inferior arises from the Fascia lumbo-dorsalis in 

 the region of the XL and XII. dorsal and I. and II. lumbar vertebrae, 

 and is inserted into the 8. to the 12. ribs. (Draws these ribs downwards.) 



M. splenius capitis et cotti arises from the spinous processes of the 3- cervical 

 to the IV. dorsal vertebrae, being inserted into the superior curved line of the 

 occipital bone, posterior border of the mastoid process of the temporal bone, and 

 the transverse processes of the two or three upper cervical vertebrae. (Rotates 

 the head and neck.) 



Heitzmann, Atlas. I. 22 



