THE DISSECTION OF THE BACK 



57 



the external occipital protuberance, the whole length of the 

 ligamentum nuchae, the seventh cervical spine, the tips of 

 all the thoracic spines and the corresponding supraspinous 

 ligaments. 



In the region of the seventh cervical spine the origin is 

 more aponeurotic than elsewhere, and the fine tendinous 



M. trapezius- 



Occipital belly of 

 M. epicranius 



M. semispinalis capitis 

 (O.T. complexus) 



M. auricularis 

 posterior 



M. splenius 

 capitis 

 Posterior 

 auricular nerve 



Parotid gland 

 sser occipital nerve 

 M. sternomastoideus 

 Great auricular nerve 



M. levator scapulae 



FIG. 17. Superficial dissection of the Back of the Neck. 



fibres of the muscles of the two sides form an ovoid aponeurotic 

 area some two inches in length. 



The upper fibres of the muscle descend in oblique curves 

 and are inserted into the lateral third of the posterior border 

 and the adjacent part of the superior surface of the clavicle ; 

 the middle fibres run horizontally, towards the shoulder, and 

 are inserted into the medial border of the acromion and 

 the upper lip of the posterior border of the spine of the 



