Parkinson’s disease is a neurological disorder that affects the brain’s nerve cells. It’s a progressive disease. The disease causes slurred speech, severe tremors and irregular facial expressions. Physical therapy has been shown to help those with chronic conditions like Parkinson’s disease. It improves flexibility and strength. As a matter of fact, physical therapy is now an essential part of many treatment plans. Your physical therapist can help address the symptoms of Parkinson’s disease, such as gait, freezing, and dystonia.