A commonality between CR and PR is the patients' participation in physical activity. Regular participation in physical activity (PA) reduces all-cause mortality by 30%, and can help to manage over 20 chronic conditions, including CHD, stroke, type 2 diabetes, cancer, obesity, mental health problems and musculoskeletal conditions. COPD patients' engagement in low-to-moderate intensity daily PA has been shown to enhance their cardiorespiratory health and ability for exertion, and reduce dyspnoea symptoms . Additionally, PA reduces cardiac mortality by 31%, and has been demonstrated to lower blood pressure, and increase 'good' cholesterol in cardiac patients. These effects occur through engagement in relatively low levels of activity: 30 minutes, five times per week.