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A swimming machine, also known as a resistance swimming apparatus, is a self-contained device powered by a pump, designed to facilitate stationary swimming for athletes or recreational users. This can be achieved by either propelling water past the swimmer or providing support for the swimmer, either within a water environment or on dry land.
The Swolf score is the number of seconds (for a given lap, 25 or 50 meters), plus the number of swimming strokes made in the same distance. [ 1 ] After a swimmer has learned to swim longer distances at a constant, high power output, it becomes essential to improve the swimming efficiency: Achieving a higher acceleration per swimming stroke, and ...
Male swimmers wore full body suits up until the 1940s, which caused more drag in the water than their modern swim-wear counterparts. Also, over the years, pool designs have lessened the drag. Some design considerations allow for the reduction of swimming resistance making the pool faster. Namely, proper pool depth, elimination of currents ...
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On 25 July 2013, FINA Technical Swimming Congress voted to allow world records in the long course mixed 400 free relay and mixed 400 medley relay, as well as in six events in short course metres: the mixed 200 medley and 200 free relays, as well as the men's and women's 200 free relays and the men's and women's 200 medley relays. [6]
This is a history of the progression of the world record for the 200 metres freestyle swimming event. It is a listing of the fastest-times-ever swum in the event, in both long course (50m) and short course (25m) swimming pools. These records are maintained and recognized by FINA, which oversees international competitive swimming and Aquatics.
In short course (25 metres) swimming events the world's governing body recognizes world records since March 3, 1991. The drop in world record times in 2008-2009 coincided with the introduction of polyurethane suits from Speedo ( LZR , 50% polyurethane ) in 2008 and by Arena ( X-Glide ), Adidas (Hydrofoil) and Italian swimming suit manufacturer ...
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