THE SHOULDER REGION 



21 



on the subscapular fossa, and it can reach this position only 

 after extensive laceration of the capsule and the muscles. 



FIG. 7. Sub-coracoid dislocation of Shoulder- Joint in an Adult Female. 

 Owing to the displacement the acromion projects beyond the greater 

 tubercle, while the shadows thrown by the glenoid fossa and the upper 

 part of the axillary border of the scapula are partially obscured by the 

 head of the humerus, above which the foreshortened coracoid process 

 can be recognised. 



In the Posterior Displacements the head of the humerus 



