Across the globe, there are many people of all ages who engage in various forms of physical activity. These may include walking, cycling, household chores, gardening, dancing, playing, and sports participation. Vigorous activities such as swimming, running, and movement of heavy loads are other examples .
Physical activity and exercise are not synonymous terms. Specifically, exercise is a planned and structured repetitive process which individuals perform in order to maintain or improve physical fitness. Physical activity, on the other hand, is a reference to any body movement which skeletal muscles produce, and that task requires the expenditure of energy .