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- Swimming_machine abstract "A swimming machine is a resistance swimming apparatus, often self-contained, enabling the swimmer to swim in place. This may be accomplished either by accelerating the water past the swimmer or by supporting the swimmer, either in water or on dry land. The first type, known as a countercurrent swimming machine, usually consists of a water tank at least twice as long and about one and a half times as wide as an average person with the limbs extended. The swimmer swims unrestrained against an adjustable stream of water set in motion by means of mechanical devices, such as jets, propellers or paddle wheels.Countercurrent swimming machines made their appearance in the 1970s, initially in the form of pump-driven jetted streams, which caused a certain amount of turbulence and an un-natural swimming environment. They were followed up in the 1980s by propeller- and paddle-wheel driven machines. These provided a smoother stream of water.Two types of exercise machines make up the second group. Hybrid systems - self-contained micropools similar to the counter-current type but using a flexible tether to keep the swimmer in place are one type. These systems, being human powered, need neither machinery or electricity but have to be carefully designed to suppress wave formation. The second type allows a person to remain on dry land while simulating certain swimming strokes. Machines of the latter type however can not compensate for the weight of the body and the limbs and thus deprive the user of the benefits of exercise in an aquatic environment. However, the higher effort required by such machines, in the absence of the metabolic effects of immersing the body in water, makes these devices more effective than true swimming if one's purpose is to achieve weight reduction. Similar in purpose, but not qualifying as swimming machines since they require access to a swimming pool, are various tether systems.".
- Swimming_machine wikiPageID "2193241".
- Swimming_machine wikiPageRevisionID "594206186".
- Swimming_machine hasPhotoCollection Swimming_machine.
- Swimming_machine subject Category:Garden_features.
- Swimming_machine subject Category:Swimming_equipment.
- Swimming_machine subject Category:Swimming_pools.
- Swimming_machine type Artifact100021939.
- Swimming_machine type AthleticFacility102752311.
- Swimming_machine type Excavation103302121.
- Swimming_machine type Facility103315023.
- Swimming_machine type Object100002684.
- Swimming_machine type PhysicalEntity100001930.
- Swimming_machine type Pool103982060.
- Swimming_machine type SwimmingPool104371225.
- Swimming_machine type SwimmingPools.
- Swimming_machine type Whole100003553.
- Swimming_machine type YagoGeoEntity.
- Swimming_machine type YagoPermanentlyLocatedEntity.
- Swimming_machine comment "A swimming machine is a resistance swimming apparatus, often self-contained, enabling the swimmer to swim in place. This may be accomplished either by accelerating the water past the swimmer or by supporting the swimmer, either in water or on dry land. The first type, known as a countercurrent swimming machine, usually consists of a water tank at least twice as long and about one and a half times as wide as an average person with the limbs extended.".
- Swimming_machine label "Swimming machine".
- Swimming_machine label "流水プール".
- Swimming_machine sameAs 流水プール.
- Swimming_machine sameAs m.06txj4.
- Swimming_machine sameAs Q7386705.
- Swimming_machine sameAs Q7386705.
- Swimming_machine sameAs Swimming_machine.
- Swimming_machine wasDerivedFrom Swimming_machine?oldid=594206186.
- Swimming_machine isPrimaryTopicOf Swimming_machine.