توصيف عملكرد شناگران نخبه نوجوان ايراني با بكارگيري لباسهاي مخصوص شنا

The description ofPerformance ofIranian Junior Elite Swimmers with Using Fast-skin

The purpose of this study was to describe of performance of Iranian junior elite swimmers with using fast-skin. For this purpose, 6 elite swimmers were selected voluntarily. In each four basic swimming for 50 and 200 meters distances taken record from swimmers in two situations (with Speedo fast-skin and without that). The records were taken three times in each situation. Also another part of this study was the comparison between two kinds of these fastskins. The effects of full-body and jammer fast-skins were compared in 400 meters freestyle swimming. The swimmerʹs heart rate was controlled immediately after taking record. The heart rate must been between 33 to 35 in 10 seconds. The results showed that, when the participants used from fastskin, their records in all distances and swimming were better than when they have been worn usual swim-wear. The amount of advantages with using fastskin was not same and it was depended to kind of swimming and distances, but overall the effects of using fast-skin was more significant in endurance swimming than fast swimming. In 400 meters freestyle swimming, the results showed that the full-body fast-skin were more beneficial than the jammers fastskin. Also for qualitative analysis of topic, a questionnaire consist of 10 questions about fast-skins was used and 20 elite swimmers that have used to wear these fast-skin, answered that. The results of questionnaire admitted beneficial using fast-skin too and some ambiguities about fast-skins such as restriction of motor amplitude, feeling heavily with fast-skin, increasing body temperature and... got clear.