"fl Ml S( I J | Jill. | 



*4 



«rhich completel) eal the others; th, Itheu . 



remity and consequendy are really m tremity. J 



tual musculature of the trunk, and . lht . 



ofthevertebr thc ri l the 



tid many of them extend upward 

 theba< r a large number of vertebra, and in their 



the entire vertebral column; th. 

 b rhe ^ muscles are a) [)thel( 



THE FLAT MUSCLES OF THE BACK. 



the lath 

 the rhomboid. the ley apul*, a, 



I 

 I into the skeleton of the extremi, f the third 



:ic- trunk. 



Thc First Layer. 



The trapezius or cucullaris I 

 by therm, ,f the two sides. Each muscle I 



situated at th, tebral column. I Bat an, 

 "' ',"•; I in the nuchal, media, 



;: h ' A f» from the following situa, mthei 



'"" .thehneasupremaa thinte, 



»uchal Ugament (by a muscular origin, s 



ndmou; 



theupi ialthir 



cromion, and into the entire length , 

 ortion of the lower border of the spine of the scapul 



, Tlu ' ;"!"'■ ^fai lbrupU , 



downward to the fa* rtion of the neck dddlel 



ataoshonzonuUy outward; while the in! 



rapUy upward. 1 , ;u „,. 



'* er 'f the seventh cen-i 



vertebra,, and at us insertion into the inner end of the spin 



*e spines ,of the lower thoracic ven . 



region of the. spines of the upper th, :,, , m: . a 



weJl-developed, trapezoid aponeurosis. 



At theoedput the trapezius the tendinous inserti sternocleidomastoid. Be- 



V ™ "* '"° ™"** " u ' s P' enius ra P itis ''"-> *e "e- alwavs partly visible, and 



f the upper part of die trap, , is narrow, portion semispinalis'cap^ also appears 



