108 



PRACTICAL ANATOMY. 



anterior border is roughened for attachment of the tra- 

 pezius muscle; near the apex is the oblique articular 

 surface for the clavicle. This surface looks upward and 

 forward, and facilitates the upward dislocation of the 

 outer end of the clavicle. The posterior border is 



FIG. 60. THB SCAPULA, POSTERIOR SURFACE. 



rough, for the attachment of the deltoid, which is also 

 attached to the apex of the bone. In fracture of the 

 acromion, flattening of the shoulder takes place, owing 

 to the depression of the tip of the acromion. The 

 superior surface is subcutaneous; the inferior surface 

 presents an elevation known as the conoid tubercle, for 



