404 



PRACTICAL ANATOMY. 



vertebra ; (3) the posterior sacro-iliac ligament, a few of these fibres being 

 continuous with the origin of the glutens maximus ; (4) the upper part of the 



Com plexus 

 Trachelo-mastoid 



Traneveraalis colli 



Cervicalis ascendens 



Longissimus dors! 



Accessorise ad ilio- 



cobtalem 



Spinalis dorsi 



Ilio -cost alia 



ObliquuB interims 



Erector spinae 





SEVENTH CERVICAL VERTEBRA 





TWELFTH THORACIC VERTEBRA 



FIFTH LUMBAR VERTEBRA 



FIG. 283. THE FIFTH LAYER OF THE MUSCLES OF THE BACK. 



posterior superior spine of the ilium, and the posterior fifth of the iliac crest 

 (Morris). 



