188 



MYOLOGY. 



OBLIQUUS CAPITIS ANTICUS. 



(Atloido-mastoideus.) 



(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 c^ the roughened 

 edge of the wing of the atlas. 



Insertion. — To the mastoid crest and styloid process of the 

 occiput. 



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

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

 capitis posticus minor. 



Relation. — Externally with the tendon of the splenius ; 

 internally with the caosular ligament and rectus capitis posticus 

 muscles. 



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

 bend it laterally on the atlas. 



OBLIQUUS CAPITIS POSTICUS. 



{Axoido-atloideus.) 



(Fig. 74. a.) 



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

 thick, and fleshy. 



