Alpha and gamma motor systems in extrapyramidal diseases.
D004576:Electromyography; D005116:Extrapyramidal Tracts / Q000503:physiopathology*; D006801:Humans; D009046:Motor Neurons / Q000503:physiopathology*; D010300:Parkinson Disease / Q000503:physiopathology* / Q000601:surgery; D012018:Reflex