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The men's 50 metre freestyle event at the 2020 Summer Olympics was held from 30 July to 1 August 2021 at the Tokyo Aquatics Centre. [1] It was the event's tenth appearance, first held in 1904 (as 50 yards) and then at every edition since 1988. The event is nicknamed the "splash and dash" event. [2]
The first world record in the men's 50 metres freestyle in long course (50 metres) swimming was recognized by the International Swimming Federation (FINA) in 1976.In short course (25 metres) swimming events the world's governing body recognizes world records since March 3, 1991.
Freestyle is a category of swimming competition, defined by the rules of World Aquatics, in which competitors are subject to only a few limited restrictions [1] on their swimming stroke. Freestyle races are the most common of all swimming competitions, with distances beginning with 50 meters (55 yards) and reaching 1,500 meters (1,600 yards ...
The world record in the men's 50 yards freestyle is not an official record ratified by World Aquatics (previously FINA), which only recognizes records set in meters. Practically, the unofficial world record is now limited today to swimmers competing in the United States, as short course races in yards are only currently used for record keeping ...
The first world record in the 100 metres freestyle in long course (50 metres) swimming was recognised by the International Swimming Federation (FINA) in 1905. [1] In the short course (25 metres) swimming events, the world's governing body recognizes world records since 3 March 1991.
The Casoni test is a skin test used in the diagnosis of hydatid disease.The test involves the intradermal injection of 0.25 ml of sterilised fluid from hydatid cysts/human cyst and sterilised by Seitz filtration into one forearm, with an equal volume of saline injected into the other forearm.
A skin test is a medical test in which a substance is injected into the skin. [1] Examples. Casoni test; Corneometry; Dick test; Fernandez reaction; Frei test;
The 100 metre freestyle is often considered to be the highlight (Blue Ribbon event) [1] of the sport of swimming, like 100 metres in the sport of Athletics, symbolizing the pinnacle of speed and athleticism in swimming competitions.