Dislocated shoulder

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A dislocated shoulder is a condition in which the head of the humerus is detached from the glenoid fossa. The shoulder is the most commonly dislocated joint in the human body, comprising 50% of all joint dislocations. Symptoms include shoulder pain and instability. There are multiple types of shoulder dislocation, with anterior dislocation being by far the most common, comprising 97% of all shoulder dislocations. Less common types includes posterior (2-4% of all shoulder dislocations) and inferior shoulder dislocation (<1% of all shoulder dislocations), as these latter types tend to involve a traumatic accident and/or impact. Shoulder dislocations can also be divided into subluxation (partial dislocation) or full dislocation.

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