PLATE VI 



Greater tubercle Acromio- 



ofhumerus Acromion clavicular joint Coracoid 



Glenoid fossa 



Spine of scapula 



FlG 5 6fl. Radiograph of Shoulder Region with Arm fully abducted. 



Conoid tubercle 

 of clavicle 



Acromio- 

 Coracoid clavicular joint Acromion 



Head of humeru? 



Spine of scapula 



Lower margin of 

 glenoid fossa 



Lateral margin of 

 spine of scapula 



FIG. $6b. Radiograph of Shoulder Region with Arm partly abducted. 

 Note ( i ) That the glenoid fossa is always directed slightly upwards. 

 (2) The relative positions of the head of the humerus and the 

 greater tubercle to the acromion. Compare with Fig. 55. 



