Akinesia

The loss or marked reduction of voluntary muscle movement, characterized by inability or marked delay in initiating clinically observable motor activity,.

Causes

• Neurodegenerative diseases: Parkinson disease, Progressive supranuclear palsy, Multiple system atrophy and Lewy body dementia

• Hydrocephalus

• Brain injury

• Medications: Antipsychotic drugs that block dopamine

• Hypothyroidism

• Genetic disease: Fetal akinesia deformation sequence