MYOLOGY. 6 I 



RECTUS CAPITIS ANTICUS MAJOR. 



Origin. — Transverse process of third, fourth and fifth cervical 

 vertebrae. 



Insertion. — Body and basilar process of sphenoid. 

 Actioft. — Flexes head or carries it to one side. 

 Nerve. — First cervical. 



RECTUS CAPITIS ANTICUS MINOR. 



Origin. — Inferior surface of atlas. 

 Insertion, action, nerve. — Same as preceding. 



RECTUS CAPITIS LATERALIS. 



Origin. — From atlas outside preceding. 

 Insertion. — Styloid process of occipital. 

 Action. — Depresses head laterally. 

 Nerve. — First cervical. 



SCALENUS SUPERIOR. 



Origin. — Transverse processes of last three or four cervical 

 vertebrae. 



Insertion. — Superior extremity of first rib. 



Action. — Flexes neck, inclines it to one side, or raises rib. 



Nerve. — Third and fourth cervical. 



SCALENUS INFERIOR. 



Origin. — Transverse process of last four cervical vertebrae. 

 Insertion. — Anterior border and external face of first rib. 

 Action. — As preceding. 

 Nerve. — Third and fourth cervical. 



L(.)NGUS COLLI. 



Origin ; Posterior Portion. — Inferior face of bodies of first six 

 dorsal vertebrae. 



Insertion. — Inferior tubercle of sixth cervical vertebrae. 



Origin ; Middle Portio?i. — Transverse process of last six cer- 

 vical vertebrae. 



Insertion. — Inferior ridge of bodies of first six cervical vertebrae. 



Origin ; Anterior Portion. — Anterior three or four fascicuh of 

 middle portion. 



