188 



MYOLOGY. 



OBLIQUUS CAPITIS ANTIC US. 



( .4 tloido-mastoide us. ) 



(FiG 74 b.) 



Situated on the side of the poll, it is flat, nearly square, and 

 fleshy, with tendinous intersections. 



Origin. From the supero-anterior portion of the roughened 

 edge of the wing of the atlas. 



Insertion. To the mastoid crest and styloid process of the 

 occiput. 



PIG. 74. 



Occipito-atlo-axoid muscles lateral view, a, Obliquus capitis posticus ; b, Obliquus 

 capitis anticus ; c, Complexus minor ; d, Rectus capitis posticus major ; e, Rectua 

 capitis posticus minor. 



Relation. Externally with the tendon of the splenius; 

 internally with the capsular ligament and rectus capitis posticus 

 muscles. 



Action. Together, to extend the head slightly ; singly, to 

 bend it laterally on the atlas. 



OBLIQUUS CAPITIS POSTICUS. 



(A xoido-a tloideus. ) 



(FiG. 74. a.) 



Situated between and upon the atlas and axis, it is broad, flat, 

 thick, and fleshy. 



