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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.
Butterfly stroke: performed face down in the water. The legs perform a dolphin kick while the arms move in a forward circle at the same time. Slow butterfly (also known as "moth stroke"): Similar to butterfly, but with an extended gliding phase, Breathing during the pull/push phase, return head into the water during recovery.
This is a history of the progression of the World Record for the swimming event: the 50 butterfly. It is a listing of the fastest-time-ever in the event, in both long course (50m) and short course (25m) swimming pool. These records are maintained/recognized by FINA, [1] which oversees international competitive swimming and Aquatics.
During a 150-meter Individual Medley race, Henry Myers was one of the first to use an overarm recovery while swimming breaststroke, becoming one of the earliest forms of butterfly. [7] In the United States, during the year of 1953, some medley races included the butterfly stroke, and the Amateur Athletic Union made it mandatory in 1954. [8] [9]
The above-water recovery of the stroke reduces drag, compared to the underwater recovery of breaststroke. The alternating arms also allow some rolling movement of the body for an easier recovery compared to, for example, butterfly. Finally, the alternating arm stroke makes for a relatively constant speed throughout the cycle. [4]
Butterfly, breaststroke Jiro Nagasawa ( 長沢 二郎 , Nagasawa Jirō , February 2, 1932 – March 23, 2010) was a Japanese swimmer. He is credited with the invention of the modern butterfly stroke .
Pages in category "Butterfly stroke" ... World record progression 200 metres butterfly This page was last edited on 22 January 2019, at 16:13 (UTC). ...
Compared to able bodied swimmers, amputee swimmers in this class have a shorter stroke length and increased stroke rate. [8] Because their legs are their greatest strength, they modify their entry into the water to take advantage of this. [8] The nature of a person's amputations in this class can effect their physiology and sports performance.