THE SHOULDER-JOINT. 



275 



glenoid cavity and the bone just around it, from the outer surface of the glenoid 

 ligament as far as its edge, excepting at the top, where it does not encroach on the 

 ligament, and at the inner side, where its origin is uncertain. It may arise there at 



Fig. 289. 



Coraco-acromial ligament 

 Bursa 



Trapezoid ligament 

 Clavicle 



Capsule 



Long- head of 

 biceps 



Humerus 



Conoid ligament 



Suprascapular ligament 



Right shoulder-joint from before. 



described, but very often it arises at some distance from the border of the joint from 

 the anterior surface of the scapula. In exceptional cases this distance may be half 

 an inch, perhaps more. The inferior attachment of the capsular ligament is to the 



Fig. 290. 



Acromio-clavicular joint 



Acromion ^ "^^^IdMiiMiTf^KL ^ . r .  



Tendon of biceps 



Glenoid ligament 



Glenoid cavity 



Spine of scapula 



Head of humerus 



Capsule 

 reflected 



Superior gleno-humeral ligament 

 -Anterior border of scapula 



Right shoulder-joint, capsule opened and humerus everted. 



groove round the head, close to the latter above and externally, but a little way 

 from it below and internally. This applies to the attachment as seen from within 



