physical exercise

Physical exercise is manual activity that develops or maintains physical fitness and overall health. It is often practiced to strengthen muscles and the cardiovascular system, and to hone athletic skills. Frequent and regular physical exercise boosts the immune system, and helps prevent   diseases of affluence such as heart disease, cardiovascular disease, Type 2 diabetes and obesity. It is also improves mental health and helps prevent depression.
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Noun
1. 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"
(synonym) exercise, exercising, physical exertion, workout
(hypernym) effort, elbow grease, exertion, travail, sweat
(hyponym) cardiopulmonary exercise