THE SUPEKFICIAL MUSCLES OF THE BACK. 



367 



In the back the latissimus dorsi is superficial, except in its upper part, 

 which is concealed by the trapezius. It covers the lumbo-dorsal fascia, serratus 



POSTERIOR TRIANGLE 



SEMISPINALIS CAPITIS 





STERNO-CLEIDO-MASTOID 





Wwti **&*J**A 



jEVATOR SCAPULA \ / 



RHOMBOIDEUS MINOR . -u' 



V \jovi. 



RHOMBOIDEUS MAJOR 

 SUPRASPINATUS 



ON 



SERRATUS ANTERIOR /-<r 



v 



< L *\ * 



SERRATUS POSTERIOR INFERIOR 



LATISSIMUS DOR si (reflected) 



Posterior layer of lumbo 

 - dorsal fascia 



LATISSIMUS DORSI 



.OBLIQUUS ABDOMINIS INTERNUS 



OBLIQUUS ABDOMINIS EXTERNUS 



rLUT^EUS MAXIM US 



FIG. 328. SUPERFICIAL MUSCLES OF THE BACK, AND VERTEBRO-SCAPULAR MUSCLES. 



posterior inferior, the ribs, and inferior angle of the scapula, and at its borders 

 two triangular spaces are formed ; at the upper border is the so-called triangle of 

 auscultation ; at the lateral border is the lumbar triangle of Petit, a small space 



