PLATE X 



Triceps muscle ~ 



Lateral intermuscular septum 

 Fascial insertion of triceps 

 (reflected) 



Lateral epicondyle 



Olecranon 



Anconaeus muscle" 

 Deep fascia (reflected) 



Dorsal surface of ulna 



Extensor carpi ulnaris 

 muscle 



Extensoi digiti quinti _ 

 muscle 



Dorsal interosseous 

 artery 



Extensor indicis muscle 

 Ulna 



Capsule of distal radio- 

 ulnar joint 



Dorsal carpal branch of 



ulnar artery 



Third dorsal metacarpal 



artery 



Abductor digiti quinti 

 muscle 



Brachio-radialis muscle 

 Brachialis muscle 



Biceps brachii 



Cephalic vein 



Lateral cutaneous nerve of 

 forearm (musculo-cutaneous) 



Extensor carpi radialis 

 longus muscle 



. Extensor carpi radialis 

 brevis muscle 



-- Extensor digitorum 

 communis muscle 



- Abductor pollicis longus muscle 



Extensor pollicis brevisjmuscle 

 Radius 



Dorsal carpal ligament 



Tendon of abductor pollicis longus 

 Radial artery 



Tendon of extensor pollicis brevis 

 _ Dorsal carpal branch of radial 

 - artery 



Tendon of extensor pollicis 

 longus muscle' 



Dorsal digital arteries of thumb 

 Tendon of extensor indicis 

 muscle 



First dorsal interosseous 

 muscle 



FIG. 74. Dissection of the Dorsal Aspect of the Forearm. 



