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The vector forces exerted on the water by such motion cancel out laterally, but generate a net force backwards which in turn pushes the fish forward through the water. Most fishes generate thrust using lateral movements of their body and caudal fin , but many other species move mainly using their median and paired fins.
Forward speed varies more during the stages of a frog kick than the relatively constant speed of the flutter kick. The frog kick pushes water backwards, and to a lesser degree upwards, rather than backwards with alternating up and down component, as with the flutter kick and dolphin kick also used by divers. The dolphin and flutter kicks can be ...
The front crawl or forward crawl, also known as the Australian crawl [1] or American crawl, [2] is a swimming stroke usually regarded as the fastest of the four front primary strokes. [3] As such, the front crawl stroke is almost universally used during a freestyle swimming competition, and hence freestyle is used metonymically for the front crawl.
Swimming creates vortices which propel the swimmer forward. In the dolphin kick, the vortices go up and down, where they're disturbed when they hit the surface of the water or the bottom of the pool. But with the fish kick, they go sideways, where there are no obstructions.
A great cormorant swimming. Aquatic locomotion or swimming is biologically propelled motion through a liquid medium. The simplest propulsive systems are composed of cilia and flagella. Swimming has evolved a number of times in a range of organisms including arthropods, fish, molluscs, amphibians, reptiles, birds, and mammals.
Kansas City Chiefs quarterback Patrick Mahomes' spectacular behind-the-back pass to tight end Travis Kelce is an early candidate for the play of the week but says the highlight was actually caused ...
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.
The eggbeater kick is an efficient method of treading water. It involves the swimmer in a "sitting position" in the water. The swimmer's back must be straight, knees bent so that the thighs are parallel to the surface of the water, and lower legs perpendicular to the surface.