Periodization and Parkinson's Disease

This study is investigating the best way to structure exercise training programs for people with Parkinson's disease. Researchers want to find out whether periodized exercise (varying the intensity and type of exercise over time) provides better benefits than standard exercise routines. **You may be eligible if...** - You have been diagnosed with Parkinson's disease at stage 1–3 (mild to moderate) - You are able to walk at least 50 meters without help - You can understand and communicate in English **You may NOT be eligible if...** - You have uncontrolled heart disease or another neurological or muscle condition that prevents you from safely exercising - You have rheumatoid arthritis or another systemic inflammatory or autoimmune condition - You have an unresolved injury or recent surgery affecting your arms or legs that would prevent weight training Talk to your doctor to see if this trial is right for you.