The dolphin kick, also known as the butterfly kick, dates back to 1935. … It is most notably used at the start and off of turns, when swimmers, completely submerged, use the kick to propel themselves through the water faster than if they were swimming on the surface.

Sport: Swimming. A race swam over the actual race distance at racing speed with short rest breaks at intervals.

Learning the four swimming strokes comes after you have mastered the basic skills of swimming. If you have reached this point then we have collated some tips below to help you learn the four swimming strokes: front crawl, breaststroke, backstroke and butterfly.

Swimmers may receive a disqualification for violating certain rules while in the act of swimming. Failing to touch the wall when executing a turn, grabbing the lane markers, using the lane markers for momentum or pushing off the bottom of the pool will all result in a disqualification.

The Lochte Rule so named after world champ Ryan Lochte classified underwater kicking on one’s back as backstroke, meaning swimmers could not do it in the freestyle portions of IM races, which require exactly 1/4th of the race to be swum in each stroke.

Freestyle: If a swimmer is found stepping or walking on the bottom of the pool or pulling on the lane rope, he or she can be disqualified. Swimmers can also be disqualified for not touching the wall on a turn, or not completing the entire distance.

NS (No Swim) – In results, NS indicates that the swimmer did not compete in the event. NST (No Slower Than) – A swimmer entered in this event must have achieved a time equal to or faster than the NST qualifying time for the event.

Declared False Start. A declared false start is a disqualification for a swimmer.

From Wikipedia, the free encyclopedia. Distressed swimmer or distressed non-swimmer (DNS) is a term used by the Life Saving Society of Canada to describe a particular swimming victim type.

Butterfly To anyone who’s not a professional swimmer, the butterfly is intimidating. It’s easily the hardest stroke to learn, and it requires some serious strength before you can start to match the speeds of the other strokes.

Front Crawl/Freestyle Front Crawl/Freestyle Front Crawl is also known as freestyle, as it is the most used stroke in freestyle events. This is because it is the fastest and most efficient of all the strokes. To perform the front crawl, lie on your tummy in the water.

The different types of swimming styles and strokes mainly include the freestyle stroke, backstroke, breaststroke, butterfly stroke, and sidestroke. For competition, the versatility will allow swimmers to compete in multiple events.

Therefore, most experienced swimmers in backstroke competitions stay under water up to the limit set by FINA (15 meters after the start and after every turn). Most swimmers use a butterfly kick underwater, as this provides more forward movement than the flutter kick.

Swimmers will be disqualified if they take or step/walk on the bottom of the pool, although they can stop and stand still if necessary. Breaststroke. After the start and after each turn the swimmer may take one arm stroke completely back to the legs and one leg kick while wholly submerged.

Breaststroke: An illegal kick such as flutter (freestyle), dolphin (butterfly), or scissors (side stroke); not swimming on the breast; alternating movements of the arms; taking two arm strokes or two leg kicks while the head is under water; touching with only one hand at the turns or finish.

The cross over flip turn is a form of a swimming flip turn that is primarily used in the Individual Medley (I.M.) when transitioning from backstroke to breaststroke.

That included Abrahm Devine, who was disqualified out of prelims after taking 4th, robbing him of an A final spot and a shot at the World University Games.

Why divers shower Divers shower in between dives typically just to keep themselves and their muscles warm, he says. They usually rinse off in water that’s warmer than the pool. … air temperature on the pool deck may be a little chilly, so the shower can help keep muscles warm.

Matt Barbini, USA Swimming’s director of performance, explained these pre-race rituals to Today recently, saying that some swimmers and coaches believe slapping one’s body helps increase blood flow to their muscles. So you’ll see people go up and down their arms and across their chest, he said.

According to FINA, no swimmer may travel more than 15 meters (16.4 yards) off of a start or turn in the backstroke, butterfly and freestyle underwater.

AAAA (AAAA Cut) Is a time classification for a swimmer or a swim. It is faster than the AAA time standard and is the fastest typically listed in times standards. A-Meet A swim meet that requires swimmers to have previously swam an A time standard in events they wish to enter.

Definition. DFS. Distributed File System. DFS. Dassault Falcon Service (est.

A false start in swimming is when a swimmer starts the race before the starting gun. … If the swimmer officially false starts, they leap off of the blocks early intentionally, then they are disqualified from the race and the race is re-started without them.

DNF = Did not finish. DNS = Did not start.

did not start According to, athletes who are unable to start in competitions will be marked as ‘did not start’ (DNS). The Tokyo 2020 Sport Specific Regulations (SSR) wanted to ensure that no player is classified as being ‘disqualified. … For all of the sports, if a player tests positive, then they are marked as DNS.