Video 1.

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Segment 1: This home video demonstrated an episode with truncal dystonia, seen as twisting of his trunk, while the patient is standing and holding a chair. The duration of the episode in the video lasted less than 5 seconds, but the episode was not captured from the outset. Segment 2: This home video demonstrated dystonia of bilateral upper extremities and trunk, seen as truncal flexion. The episode lasted less than 5 seconds but it was not captured from the outset.