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狗刨:Dog paddle;仰泳:backstroke;蝶泳:butterfly;自由泳:freestyle
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Medley is a combination of four different swimming styles into one race. This race is either swum by one swimmer as Individual Medley (IM) or by four swimmers as a Medley Relay.
[edit] Individual MedleyIndividual medley consists of a single swimmer swimming equal distances of four different strokes within one race. [edit] Stroke OrderIndividual Medley consists of four strokes. Usually each stroke has an equal part of the overall distance, i.e. 1/4th of the overall distance is swum in one stroke. The strokes are swum in this order:
[edit] CompetitionsThere are a number of competitions swum regularly in individual medley, by both men and women. The competitions are limited in that every distance must consist of at least 4 lengths (100 yd. or m.) or a multiple of 4 lengths (200 or 400 yd. or m.), so that no stroke must change mid-length. Regardless of the length of the individual medley, each stroke comprises1/4th of the overall distance.
[edit] TechniqueThe technique for individual medley events does not differ much from the technique for the separate events for the four strokes. The only main difference is the technique needed at the change from one stroke to the next stroke. Each section has to be completed as described by the rules of this section. The butterfly section has to be ended with both hands touching the wall at the same time, but has to leave the wall on the back for backstroke. Most swimmers do this by pulling the knees underneath of their body after touching the wall with both hands, and then rolling backwards on their back. During the roll the arms are not stretched, but rather hold close to the body with the hands a few centimeters in front of the chest. This reduces the rotational moment and allows for a faster turn. At the end of the backwards roll the swimmer sinks under water and extends the arms forward. The swimmer then pushes off the wall with both legs and starts the regular underwater phase of backstroke, usually a dolphin kick for 15 m before surfacing and resuming normal backstroke. The backstroke section has to be ended with touching the wall while lying on the back. For the subsequent breaststroke the swimmer has to leave the wall on the breast. Most swimmers prefer to do a backwards roll by pulling the knees close to the body and pushing with the hand upwards against the wall to achieve rotational movement. After a 180 degree turn, the swimmer is under water on his breast and extends the hands forward before pushing off the wall with both legs. The swimmer continues with the regular breaststroke, consisting of a sliding phase, an underwater pull-down, and another sliding phase before surfacing and resuming the normal breaststroke. A newer, but not required tecnique for the backstroke to breastroke turn is a backflip. The swimmer touches on his or her backside with one hand. After touching the wall, the swimmer tucks their knees up to their stomach and flips around so that their feet are touching the wall pointing down and they can push off of the wall on their stomach. The breaststroke section has to be ended with both hands touching the wall at the same time while on the breast. A normal breaststroke turn is usually used to turn and push off the wall. After leaving the wall the freestyle underwater phase is initiated, followed by regular freestyle on the surface after 15 m or less. For medley events, freestyle means any style other than backstroke, breaststroke or butterfly. [edit] Medley RelayMedley relay consists of four different swimmers in one relay competition, each swimming one stroke. [edit] Stroke OrderMedley relay is swum by four different swimmers, each swimmer swimming one of the four strokes. Backstroke is the first event as backstroke is started from the water. If backstroke would not be the first event, the starting backstroke swimmer and the finishing previous swimmer could block each other. The remaining strokes are sorted according to the speed, with breaststroke being the slowest and freestyle being the fastest stroke. The order of the strokes is as follows:
[edit] CompetitionsThere are a number of competitions swum regularly in medley relay, both by men and women.
[edit] TechniqueThe technique for medley relay events does not differ much from the technique for the separate events for the four strokes. The first swimmer swims the 50 or 100 m backstroke normally. The only difference for the following swimmers is that there is no start signal, but rather the previous swimmer completing its turn by touching the wall signals the start for the subsequent swimmer. [edit] RulesThese are the official rules of the FINA regarding Medley swimming:
Freestyle includes a special regulation for medley events:
Additionally, the normal rules of relay events apply:
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