1 111 JOIN I- AND IK. A 01 I 1 1 J 



I rom a physio] 

 humero radial articulati 

 the hinge joint of the humero-ulnar arti 

 articulation. 



surf.. 

 through 



.. whit h . 



■ 



THE DISTAL RADIOULNAR JOINT AND THE INTEROSSEOUS HEHBRANE. 



The radius and uln onnected by a thin i 



completely fills the rvening between thi 



the inti the two b 



obliquely downward fn.ni the radius to the ulna. 1 

 most part of the int< 



of blood-vessels. It repres i membranou 



like- these structures, it gi 



In addition to the i i by the inter 3 meml 



together also by the oblique i ind 20c . 



of the ulna to the lower m. 

 with the upper portion of the inter is meml 



The distal > .-n- 



ference of the capitulum of the ulna and the ulnar 



apitulumof the ulna and the articul I of th< 



from the triquetr neiform \ ' illy it is an in 



in a tion with the proximal radio ulnar articulation. 



Tli pitulum of the ulna 1 



radius as well as by the articular 

 vertical, and that formed by th illy hori 



as well as the inferior surf; tpitulum of th 



the joint. The articular capsul mewhal ly and rel 



known as the 3 upward I the Level 



of the articulation. 



The articular disc is hed upon on< ic ulnar mar the middle portion of 



the radius, where it insensibly m< 'ion of the bone; 



