282 



HUMAN AN ATOM V 



Fig. 294. 



Fig. 295. 



Tricep 



Subcutaneou 

 surface 



Flex, sitblim 

 digitorum 



Aponeurosis of 

 ext. carpi ulnaris, 

 flex, profundus 

 digitorum and 

 flex, carpi ulnaris 



Tip of 

 olecranon 



Coronoid 

 process 



Lesser sigmoid 

 cavity 



Anconeus 



Posterior border 



Tip of olecranon 



Greater 

 sigmoid cavity 



Coronoid 



process 



Tuberosity- 



Upper end of right ulna, posterior aspect. 



' ^ y — .Atiterior border 



Brachialis anticus 

 Supinator brevis 



Flex, prof una 



digitorum 



Flex, sublim. dig. 

 (coronoid head) 

 Pronat. radii teres 

 (lesser head) 

 Flex. long, pollicis 

 (accessory head) 



[— Pronator quadraius 



Nutrient canal — /} 



Interosseous border- 



li 



Articular facet- 

 for radius 



Styloid process 

 Right ulna, inner aspect, The outline figure shows the areas of muscular attachment. 



