shoulder stability

By Rotator cuff muscles
Skeletal arch formed superiorly by:

  • coracoid
  • acromion
  • coraco-acromial ligament

extracapsular ligaments

  • superior/middle/inferior glenohumeral ligaments (anteriorly)
    • attach to lesser tubercle
  • coracohumeral ligament
    • attach to greater tubercle
  • transverse humeral ligament
    • holds the tendon of the long head of the biceps brachii muscle in the intertubercular sulcus