Parkinson’s Disease

They showed that active robotic assistance resulted in significantly greater gains in motor function than in individuals who received passive robotic assistance.

  Active Passive Assisted Active
Motor Function * * *
Balance   *  
Posture & GAIT * *  
Bradykinesia   *  
Cardiovascular Fitness * *  
Tremors   *  

Forced, Not Voluntary, Exercise Improves Motor Function in Parkinson’s Disease Patients.

https://www.ncbi.nlm.nih.gov/pubmed/19131578

Dynamic high-cadence cycling improves motor symptoms in Parkinson’s disease.

These findings show that dynamic cycling can improve PD motor function and that activation of proprioceptors with a high cadence but variable pattern may be important for motor improvements in PD.

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4557094