PLATE XI 



Humerus 



Medial epicondyle 



Olecranon 



Interval between 



trochlea and 



coronoid process 



Ulna 



Lateral epicondyle 



ead of radius 



FIG. 86. Antero- posterior Radiograph of extended Elbow Joint. 

 (Mr. A. D. Reid.) 



Shadow caused by 



overlap of olecranon 



and trochlea of 



humerus 



Shadow caused by 



overlap of radius on 



coronoid process 



Shadow caused by 

 overlap of coronoid 

 process on trochlea 

 of humerus 



FIG. 87. Lateral Radiograph of extended Elbow Joint. 

 (Dr. R. Knox.) 



