Glenohumeral stability.

Causes of stability of glenohumeral joint are divided into dynamic restraints and static restraints.
1- Dynamic restraints are rotator cuff and long head of biceps.
2-Static restraints are divided into ligaments; capsules; glenoid labrum and bones.
4- Ligaments are formed from glenohumeral ligaments and coracohumeral ligaments while capsules are gleno-humeral joint capsule and rotator cuff interval capsule.