94 



THE BACK. 



scapula, serves to raise the angle of the scapula, and the 

 rhomboideus major and minor, from the ligamentum 

 nuchae, the seventh cervical, and the upper dorsal verte- 



FIG. 35. Muscles of the trunk from behind (left side, superficial; right side, 

 deep): 1, Sternomastoid ; 2, splenius; 3, trapezius; 4, latissimus dorsi; 5, infra- 

 spinatus; 6, teres minor; 7, teres major; 8, deltoid; 9, external oblique of abdomen; 

 10, gluteus medius; 11, gluteus maximus, 12, levator anguli scapulae; 13, rhomboi- 

 deus minor; 14, rhomboideus major; 15, part of longissimus dorsi; 16, tendons of 

 insertion of iliocostalis; 17, supraspinatus; 18, inf raspinatus ; 19, teres minor; 20, 

 teres major; 21, serratus magnus; 22, upper, and 22', lower part of serratus posti- 

 cus inferior; 23, internal oblique; 24, gluteus medius; 25, pyriformis and superior 

 and inferior gemelli; 26, 26', portions of obturator interims; 27, tendon of obtu- 

 rator in tern us; 28, quadratus femoris. (Borland's Dictionary.) 



brae to the root of the spine of the scapula, draw the in- 

 ferior angle back and up. 



The blood supply in the cervical region and about the 

 shoulders comes from branches of the subclavian artery, 

 such as the suprascapular and the transversalis colli. 



