But it must be understood, that unless designed otherwise, i.e. unless the Units of Analysis are chosen from all people, most studies are generalizable only for a much narrower population of the people w/in a nation, region, city, etc.
exercising - the activity of exerting your muscles in various ways to keep fit; the doctor recommended regular exercise; he did some exercising; the physical exertion required by his work kept him fit. exercise, physical exercise, physical exertion, workout.
aerobic exercise is a type of physical activity that uses your large muscle groups is rhythmic in nature and can be sustained for at least 10 minutes walking jogging indoor cycling and aerobic dancing are all examples of aerobic exercise that strengthens your heart and lungs and keeps you healthyf you re performing this last activity then you re engaging in aerobic exercise aerobic exercise is any physical activity that makes you sweat causes you to breathe harder and gets your heart beating faster than at rest