An exercise is a subclass of physical activity. activity planned with the goal of improving one or more aspects of physical fitness.

In psychology, exercise refers to physical activity that is done with the intention of improving or maintaining physical fitness and overall health. This can include activities such as running, swimming, cycling, and weightlifting, as well as more leisurely pursuits like yoga and gardening. Exercise has been shown to have a variety of mental and physical health benefits, including improved mood, increased cognitive function, and reduced risk of chronic diseases.