THE UPPER LIMB 



399 



The posterior ligament is thin and membranous. Superiorly 

 it is attached to the upper part and sides of the olecranon fossa of 

 the humerus, and interiorly to (i) the front part of the summit of 



Fig. 214. — The Posterior Ligament of the Elbow-Joint. 



the olecranon process of the ulna, and (2) the orbicular ligament 

 of the radius. The most of its fibres are disposed vertically, but a 

 few pass transversely between the margins of the olecranon fossa. 



External Lateral Ligament 



Orbicular Ligament 



Posterior Ligament Posterior Fibres of External Lateral Ligament 



Fig. 215. — The Right Elbow-Joint (External View). 



The ligament is related to the tendon of insertion of the triceps, 

 some of the fibres of the internal head being inserted into it, under 

 the name of the subanconeus. 



