Physical activity is a key factor in maintaining good health and fitness. Being physically active has a number of significant health benefits, including chronic disease risk reduction, helping in the control of body weight and improving mental wellbeing. There has been a decline in physical activity over recent decades due to the sedentary nature of many forms of work, changes in transportation and increased 'screen time'. A lack of regular physical activity and related overweight and obesity is associated with an increased risk of mortality and morbidity from certain cancers, diabetes, osteop