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The Centers for Disease Control and Prevention (CDC) recommends swimming lessons for children from 1–4, along with other precautionary measures to prevent drowning. [4] In 2010, the American Academy of Pediatrics reversed its previous position in which it had disapproved of lessons before age 4, indicating that the evidence no longer supported an advisory against early swimming lessons.
Butterfly stroke Overhead shot of a swimmer performing the butterfly stroke Butterfly stroke, shortly before entering the water again; view from behind. The butterfly (shortened to fly [1]) is a swimming stroke swum on the chest, with both arms moving symmetrically, accompanied by the butterfly kick (also known as the "dolphin kick") along with the movement of the hips and chest.
In 1907, swimming became part of the school curriculum in England and caused parents to become more concerned with their children's safety in the water. In response to parents' worries, the Dean's Rag Book Company , London , introduced the Swimeesy Buoy, inflatable armbands with a colorful design that looked like the wings of a butterfly .
Swimming underwater is faster than swimming on the surface. Underwater swimming is not its own category in the Olympics, but in the 1988 Olympics several competitors swam much of the backstroke race underwater. After that, the Olympics created a rule that swimmers are only allowed to stay underwater for the first 10 meters (later changed to 15 ...
While this "butterfly" technique was difficult, it brought a great improvement in speed. One year later, in 1935, Jack Sieg, a swimmer also from the University of Iowa developed a technique involving swimming on his side and beating his legs in unison similar to a fish tail, and modified the technique afterward to swim it face down. Armbruster ...
Para-swimming classification is a function-based classification system designed to allow for fair competition in disability swimming. The classes are prefixed with "S" for freestyle , butterfly and backstroke events, "SB" for breaststroke and "SM" for individual medley events.
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