A 58-year-old man with a history of toxic chemical exposure presents with slow, writhing, snake-like movements of his fingers and hands. Vital signs are stable (BP 128/82, HR 72, RR 14, Temp 37°C, SpO2 98%). MRI brain shows focal basal ganglia injury. He denies tremor at rest and has normal strength. Serum copper and ceruloplasmin levels are normal. Which of the following terms best describes this movement pattern?

1. A)Myoclonus
2. B)Intention tremor
3. C)Akathisia
4. D)AthetosisGABARITO
5. E)Hemiballismus