THE HEAD AND NECK. 



The longus colli. 



Origin. i. From bodies of sixth and seventh cervical and first, second, 



and third dorsal. 



Insertion. 2. Into the bodies of the second, third, and fourth cer- 

 vical. 



w ( Origin. I. Anterior tubercles of transverse processes of third, fourth, 



and fifth cervical. 

 " I Insertion. 2. Tubercle on anterior arch of the atlas. 



Rsetus capitis lateralis 



Rectus capitis anticus 

 major 



Origin of rectus capitis 

 anticus major 



Scalenus medius 



Scalenus antlous 



Scalenua posticus 



Rectus capitis later- 

 alis 



Rectus capitis anti- 

 cus minor 



Intertransyersalis 

 anterior 



Intertransversalis 

 posterior 



Longus colli 



Insertion of scalenus 

 anticus 



Scalenus medius 



Scalenus posticus 



FIG. 66. THK MUSCLES OF THE FRONT OF THE NECK. 



'* S f Origin. i. Bodies of first, second, and third dorsal vertebrae. 

 . 2* < Insertion. 2. Anterior tubercles of transverse processes of fifth and 



C iJ I . , 



J Q i. sixth cervical. 



These muscles are supplied by the anterior divisions of the cervical nerves. 

 The action is evident : flexion direct, lateral, or combined in rotation. 



