26 4 



HEAD AND NECK 



seen. The upper oblique part arises by three tendinous 

 slips from the anterior tubercles of the transverse processes 

 of the third, fourth, and fifth cervical vertebrae ; it tapers 

 somewhat as it proceeds upwards and medially to obtain a 

 pointed and tendinous insertion into the anterior tubercle of 



Scalenus anterior 

 Scalenus medius 

 Scalenus posterior 



FIG. 99. Prevertebral Muscles of the Neck. On the right side the longus 

 capitis has been removed. (Paterson.) 



the atlas. The vertical part of the muscle is much the largest 

 of the three divisions. It lies along the medial side of the 

 oblique portions, and is intimately connected with both of 

 them. It arises, in common with the inferior oblique part, 

 by two or three slips from the sides of the bodies of the 



