Shoulder dislocation refers to the following situation: the humerus top and the scapula socket are disconnected. Humerus is the arm bone, it connects to the scapula. Humerus and scapula form an important shoulder joint, also known as the glenohumeral joint.
The glenohumeral joint supports the shoulder's arc movement - any injuries can easily cause the joint dislocation. Shoulder dislocation is a common shoulder injury, the symptoms often include: shoulder pain, forearm turned outward, deltoid muscle deformed.
Sports-related trauma or other accidents often cause shoulder dislocation. Shoulder dislocation has two types: anterior dislocation and posterior dislocation. Anterior dislocations are more common.