title: Physical activity and ageing--a survey of Soviet literature. I. Some of the underlying concepts.
mesh_terms: D000368:Aged; D000375:Aging; D000818:Animals; D006801:Humans; D007103:Immobilization; D008660:Metabolism; D009068:Movement; D005082:Physical Exertion; D051381:Rats; D014652:Vascular Diseases / Q000517:prevention & control