Definition: An activity in which the body is propelled through water by specific movement of the arms and/or the legs. Swimming as propulsion through water by the movement of limbs, tail, or fins of animals is often studied as a form of PHYSICAL EXERTION or endurance.
human & animal; / inj: coordinate IM with specific injury (IM); includes body-surfing, does not include surfboarding, windsurfing or water-skiing (index under SPORTS); consider also DIVING; index NIM for swimming in animal experiments on PHYSICAL EXERTIO