MUSCLES OF THE BACK. 



195 



LATISSIMUS DORSI. 



Origin Spines of six lower dorsal vertebrae, spines of 

 all the lumbar vertebrae, spines of all the sacral 

 vertebrae. 

 Insertion Passes upward and outward, and is inserted 



FIG. 88. MUSCLES OF THE BACK. 



1 and 2, trapezius : 3, spine of scapula : 4, latissimus dorsi ; 5, deltoid ; 6, infra-spi- 

 aatus: 7. external oblique: 8 and 9, gluteal muscles; 10. levator anguli scapulae; 11, 

 rhomboidens minor : 12, rhomboidens major ; 13 and 14, splemus capitis et colli ; 15, vertebral 

 aponeurosis ; 16, serratus posticus inferior ; 17, supra-spinatus ; 18, infra-spinatus ; 19, 

 teres minor ; 20, teres major ; 21, triceps ; 22, serratus magnus. 



into the posterior lip of bicipital groove of the 

 humerus, with the tendon of the teres major. 



Nerve Subscapular of the brachial plexus. 

 



Muscles of the Second Layer. 



LEVATOR ANGULI SCAPULI. 



Origin Posterior tubercles of transverse process of 



