ELBOW-JOINT 



21 



MUSCLES ACTING ON THE JOINT 



The Elbow-Joint, between the trochlear and capitellar surfaces 

 of the humerus, and the sigmoid fossa of the ulna and depression 

 on the head of the radius. 



A hinge-joint permitting of movement round only one axis, viz. 



Transverse- flexion and extension. 



Ligaments. The capsular ligament is complete and strength- 



