172 



A CTICAL ANA TO.MY. 



The cubital fossa lias geometrically a 



1. Roof, formed by the skin and fascia.- superficial and deep. 



2. Floor, formed by the brachialis anticus and supinator brevis. 



3. Superior border, formed by an imaginary line from condylc to conciyle. 



4. Outer border, formed by the brachio-radinlis muscle. 



5. Inner bonier formed the pronator radii teres muscle. 



" ti'rior priifiinita arlei*y 

 Anastuntolicd ntayiia artery 



Brachiid artery 

 Radial recurrent arteiy 



Supinator longus 

 Radial artrrij 



Flexor longua pollieis muscle 



Anterior annular ligament, cut 



Vj Brachialis anticus muscle 



L Atiti'rioi- iilnur recurrent 

 roster tor ulnar recurrent 



Ulnar artery 



ir mterOUtOV* nrtcri/ 

 Flexor carpi ulnaris 



Flexor profundus digitorum muscle 



Anterior interosseous artery 



Anterior branch of ulnar artery, cut 

 Deep palmar arch 



Palmar interosseous arteries 

 Palmar digital artery, cut thort 



Collateral branch of palmar digital artery 



FIG. 117. THE ARTERIES OF THE FORKAKM WITH THE DEEP PALMAR ARCH. 



The fossa contains the following structures 



(i) The brachial artery and veins ; (2) the radial artery ; (3) the ulnar artery ; 

 (4) the tendon of the biceps muscle ; (5) the median nerve ; (6) the musculo- 

 spiral nerve ; (7) the radial recurrent artery ; (8) the ulnar recurrent artery ; 

 (9) the common interosseous artery. 



The radial groove has these geometrical parts : 



