FRONT OF THE ARM 



immediately behind and to the medial -side of it. The 

 humerus is thickly clothed by muscles ; but towards its lower 

 part the two epicondyloid ridges, leading down to the 

 epicondylar eminences, may be felt. The lateral ridge is the 

 more salient of the two, and therefore the more evident to 

 touch. 



The bony points around the elbow require to be studied 



FIG. 26. Relation of the 

 bones of the Elbow to the 

 surface. Dorsal view ; 

 FIG. 25. Relation of bones elbow bent. 



of Elbow to the surface. 

 Dorsal view ; elbow fully 

 extended. 



with especial care. It is by a proper knowledge of the 

 normal relative positions of these that the surgeon is able to 

 distinguish between the different forms of fracture and dis- 

 location which so frequently occur in this region. First note 

 the medial epicondyle of the humerus. This constitutes a 

 prominence, appreciable to the eye ; grasp it between the 

 finger and thumb, and note that it inclines dorsally as 

 well as medially. In a well-developed, fully extended arm, 

 the lateral epicondyle does not form a projection on the 

 surface, but can be felt at the bottom of a slight depression 



