“…Dystonia is a clinical syndrome diagnosed largely by clinical phenomenology [ 1 ]. Because there are so many different clinical manifestations and causes, there is no specific examination criteria or simple algorithm for diagnosing dystonia [ 1 , 2 , 3 , 4 ]. Dystonia is characterized by patterned, directional, sustained, or intermittent muscle contractions causing abnormal dystonic postures, and repetitive twisting dystonic movements [ 2 , 3 , 4 , 5 , 6 ].…”