DISSECTION OF THE UPPER EXTREMITY 



47 



FIG. 4. 



M. scmiitpinaliti capitis (turned back) 

 Jf. rt'ctuft capifin ]ni.<tf rinr major 



AT obliquus capitis superior.^ 

 N. suboccipitalis. 



Arcus posterior atlanti*^ 



M. obliquus capitis inferior -Ng 

 Ramus posterior N. cervicalis II.,- 



J/. scmispinalis capitis.. //. 



i'-'/A 



M. splcnius cervicis __ 

 J/. levator scapulae.. _ 

 N. dorsalisscapulae__.. 



Jfin. 



rhoiaboidci 



Lateral 



branches of the 

 rami posteriores 

 Nn. thoracalium 



Medial branches of -*- 

 the rami posteriores 

 Nn. thoracalium 



J/. longissimus dorsi,- 



31. HiocontaUs dorsi.^ 



Ramns posterior N. 

 thoracalis XII. 

 M. multifidus 



Ramus posterior < - 

 N. lumbalis I. 



Nn, clunium superiores 



Rami posteriores ^^ 

 Nn. sacralium 



N. occipitalis major 

 M. trapezius 

 M. splenius capitis (laid back) 



N. occipitalis tertius (Var.) 



-N. occipitalis minor 



M. semispinalis 



Rami cutanei dorsales 

 Nn. cervicalium V., VI. 



Ramus cutaneus dorsalis 

 N. thoracalis I. 



Rami posteriores of the 

 rami cutanei laterales 



Nn. intercostalium 

 Rami cutanei dorsales from 

 the rami posteriores Nn 

 thoracalium (medial and 

 lateral branches) 

 Fascia superflcialis 



Fascia lumbodorsalis 



- ; Rami cutanei dorsales from 



/'the posterior branch of the 



N. thoracalis XII. 



Rami cutanei dorsales 

 Nn. lumbalium 



\ Nn. clunium superiores 

 V V. (rami cutanei from the 

 posterior branches of 

 the Nn. lumbales I., 

 IT., III.) 

 Tubcrositas iliaca 



The distribution of the posterior branches, rami posteriores, of the spinal nerves, Nn. spinales. 

 (On the right side of the body the cutaneous branches are shown ; on the left side, the muscle-branches ; 

 and in part the course of the posterior branches of these are shown.) (After Toldt, Anat. Atlas, Wien, 

 1903, 3 Aufl., p. 813, Fig. 1245.) 



