Athetosis Home A-Z Health Information Health Library A-Z Athetosis Overview Athetosis is a disorder that involves hyperkinetic movements, which is a slow writhing movement of fingers and hands. It may be associated with abnormal postures of the extremities, stiffness and difficulty in performing voluntary movements. Causes Brain injuryStrokeCerebral palsyNeurodegenerative diseases such as Huntington’s diseaseInfections or inflammationsGenetic disorders Risk factors Brain damageBirth challenges such as asphyxia, haemorrhage, or stroke during pregnancy, birth, or shortly after birthJaundice in newbornsStrokeMedications for Parkinson's disease or psychiatric disordersToxicity due to medications that elevate brain dopamine levelsMetabolic disorders such as Wilson's disease Treatment Medicines to control muscle overactivitySurgical interventions (deep brain stimulation)Orthotic devices or other assistive technologiesPhysical and occupational therapy