Sports-related injuries to the shoulder are common causes of disability. Injuries to the sternoclavicular joint (SCJ) in sports are more rare, though have been reported in a small number of cases. SCJ injury classification is determined by the degree of joint displacement and direction of clavicular displacement. Direction of displacement is particularly important due to risk of injury to intrathoracic structures, which has the potential to result in fatal outcomes. These injuries are important to identify in athletes and can be difficult to assess on the field. Specific radiographic views and use of ultrasound can improve accuracy of diagnosis. Reduction of acute traumatic SCJ dislocations is recommended and may require open reduction in the case of posteriorly displaced dislocations. Surgical treatment is indicated in cases of persistent pain or significant compression to intrathoracic soft tissue structures. Long-term outcomes are generally favorable, and athletes are able to return to sport without functional limitations.
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