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Unformatted text preview: Focal dystonia Causes There are three main causes of RSI:- Fixed working positions Repetitive movements Psychological stress The standard view is that RSIs are musculotendinous injuries in the upper limb, shoulder girdle or neck caused by an overload of particular muscle groups, from repetitive use; or from the maintenance of constrained postures, which result in pain, fatigue, and a decline in work performance. An alternative hypothesis is that RSIs are not organic in nature and are not work related. Some experts believe that the condition is due to a conversion disorder, whereby psychological conflict is converted into physical pain. A more controversial hypothesis is that the patients initially have the symptoms of the RSI but then retain them for secondary gain, such as compensation or time off work....
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- Fall '10