水泳における効果的なクーリングダウンに関する研究

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書誌事項

タイトル別名
  • Effective cooling down swim
  • 水泳における効果的なクーリングダウンに関する研究--100m自由形について
  • スイエイ ニ オケル コウカテキ ナ クーリング ダウン ニカンスルケンキュウ
  • ―100m Free style―
  • ―100m自由形について―

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抄録

<p>    The variation in cooling dwon swimming exercises and their intensity play an important role in removing blood lactate immediately after the first race as well as for the next race peformance, particulariy when very short time is allowed between the race. Therefore it is very important to clarify the effective swim intensity, distance and time in cooling down. Several experiments were done to determine these points and the findings are;</p><p>1)  100m maximum effort swim record and their variation.</p><p>  (1)  No significant differences of First stage all out swim (AS 1) was observed in Experiments I to III.</p><p>  (2)  Only Second stage all out swim (AS 2) in Experiments II showed a swim record decrease.</p><p>2)  Changes in blood lactate concentration.</p><p>  (1)  The blood lactate concentration drop in Experiments I and II in first stage was sudden, immediately after rather than at the beginning of First stage cooling down (CD 1). The same finding was obtained for First stage rest (R 1). In comparing the concentration in Experiment I with that in Experiments III, the significant differences were observed immediately after CD 1, 5 and 7 minutes after the beginning of R 1. The blood lactate was less concentrated in Experiments I than in III. As for the comparison of Experiments II and III, the significant difference were observed immediately after CD 1, as well as 3, 5 and 7 minutes after the beginning of R 1.</p><p>    In Experiments II, a rapid decrease in the concentration was found and there was no significant difference but was a tendency to a decrease in the concentration.</p><p>  (2)  Blood lactate concentration comparison in the second stage. As in the first stage, the concentration dropped more, immediately after Second stage cooling down (CD 2) than at the beginning, and the same was observed with Second stage rest (R 2). In comparing Experiments I and III, the significant differences were observed 3, 5 and 7 minutes after the beginning of R 2 and Experiments I showed a faster decrease in the concentration .There was no significant difference in Experiments II and III.</p><p>  (3)  The consentration decrease in the second stage was obtained more rapidly in Experiments I, where swim intensity was gradually decreased, than in Experiments II ,where the intensity was gradually increased. Blood lactate was not removed rapidly in CD 2 where the subjects kept asitting position.</p>

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