Dance and Energy Expenditure Among Adults With Parkinson's

This study is measuring energy expenditure (how many calories are burned) during Dance for PD® classes in people with Parkinson's disease. The goal is to understand how much physical exertion these dance sessions provide to help inform exercise recommendations. **You may be eligible if...** - You are between 18 and 85 years old - You have been diagnosed with idiopathic (typical) Parkinson's disease by a neurologist - Your Parkinson's symptoms are mild to moderate (Hoehn and Yahr scale ≤ 3, meaning you are still physically independent) - You are already enrolled in Dance for PD® classes **You may NOT be eligible if...** - Your Parkinson's is severely disabling or you are confined to a wheelchair - You have another neurological condition (like epilepsy) besides Parkinson's - You are pregnant or trying to become pregnant - You smoke - You have a pacemaker or implanted medical device - You have been hospitalized for a psychological disorder in the past 5 years - You have heart disease, diabetes, kidney disease, respiratory disease, or a history of stroke or cancer Talk to your doctor to see if this trial is right for you.