'////: BACK. 



399 





same ti> the trape/ius. Also trace the nerve upward to where it comes through 

 the sterno-cteido-mastoid musrlr. 



Latissiraus Dorsi. Trace the origin to tin- six lower thoiacir -pmrs, lum- 



TrapeEiui 



Semt-BpinaliB 



Multifldus Bpiiue 



LongiMimua 

 dorai 



IllO-COBtOlU 



RhomboidmiB 

 major 



Oluteus 

 maxlmua 



FIG. 279. DISTRIBUTION OF THE POSTERIOR PRIMARY DIVISIONS OF THE SPINAL 



NERVES. (Henle.) 



bar aponeurosis, and iliac crest, posterior one-third ot outer lip. Develop the 

 upper bonier and expose the infraspinatus and teres major in the triangle formed by 

 this muscle, the deltoid, and the trapezius. (Fig. 280.) Develop with the scissors 

 the lower border of the muscle. The latissimus dorsi will be inserted into the poste- 



