Body Temperature, Hormonal and Metabolic Responses during Swimming with Clothes and Swimming with Swimsuit in Cold Water at 21℃

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  • 低水温下での着衣泳と水着泳による体温，ホルモンおよび代謝応答
  • テイスイオンカデノチャクイエイトミズギエイニヨルタイオン，ホルモンオヨビタイシャオウトウ

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Abstract

The purpose of this study was to compare physiological responses during swimming with clothes and with swimsuit in 21℃ water. 6 male subjects swam breast stroke at submaximal intensities of 57% Vo2max with clothes on and 40% Vo2max with swimsuit, in a swimming flume at 21℃ for 15 min. The variables measured included oxygen uptake (Vo2), rectal and three site (chest, arm and thigh) skin temperatures, blood lactate (La), epinephrine (Epi), norepinephrine (NE), glycerol (Glyce) and free fatty acid (FFA). Mean body, rectal, mean skin and thigh temperatures tended to be higher in swimming with clothes on than when using only swimsuit. But chest and arm temperatures tended to be higher when only swimsuit was used. La, Epi and NE tended to be higher when clothes were worn, while Glyce and FFA tended to be higher when only swimsuit was used. In this study, swimming intensity seemed to have greater effect than body temperature on catecholamine response. The present results suggested the need to examine not only different combinations of clothes but also their materials.

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  • 健康科学

    健康科学 23 17-23, 2001-03-01

    Institute of Health Science,Kyushu University

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