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Other movement disorders There are a variety of movement disorders that do not fit the above categories. Akathisia is relatively common and since it is often drug-induced, it deserves further consideration here. Akathisia refers to a sense of restlessness and a need to move. Typically, the patient performs a variety of purposeful or semi-purposeful, often complex, movements in response to the subjective restlessness, including pacing when standing, marching in place, rocking, shifting weight, moving legs when sitting, picking at clothing or hair, rubbing body parts with hands, and other similar movements.

Rates bradykinesia, rigidity, and tremor on a 0–4 severity scale. 4 Rating scales for dyskinesia Rating scales for dyskinesia References Comments Abnormal Involuntary Movement Scale (AIMS) The Dyskinesia Identification System-Coldwater (DIS-Co) [19] The Simpson/Rockland Tardive Dyskinesia Rating Scale [11] The Smith Tardive Dyskinesia Scale [22] Sufficient reliability, most widely used 34 items targeting 10 body parts. Reliability and validity were assessed. An abbreviated version (DIS-CUS) is also available [23] Rates bradykinesia, rigidity, and tremor on a 0–4 severity scale.

The strengths of the IMS are in the rating of dyskinesias and parkinsonism. In rating akathisia, only a global scale is scored. There is no discrimination of the subjective from objective symptoms and signs of akathisia. The SHRS rates medication-induced hyperkinesias, parkinsonism, akathisia, and dystonia. In contrast to the AIMS, the SHRS, like the IMS, contains sections for scoring of parkinsonism, akathisia, and dystonia. Like the IMS, the SHRS has mainly been used in connection with video recording.