Hormonal and metabolic responses to moderate prolonged water walking　: comparative study to land walking

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Other Title
  • 中等度強度，長時間の水中歩行中のホルモンおよび代謝応答 : 陸上歩行との比較
  • チュウトウドキョウド，チョウジカンノスイチュウホコウチュウノホルモンオヨビタイシャオウトウ : リクジョウホコウトノヒカク
  • チュウトウド キョウド チョウジカン ノ スイチュウ ホコウチュウ ノ ホルモ

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Abstract

This study compared the hormonal and metabolic responses to moderate prolonged walking both in water and on land. Eight healthy males (18-20 years) volunteered to be subjects. They walked for 60 min at 50% of their maximal aerobic power in water and on land. The water walking was performed with a water depth at the xiphoid level and a water temperature of 30°C.　Measurements of the plasma growth hormone, cortisol, insulin and glucagon concentrations during water walking and recovery were found to be similar to those of land walking and recovery. In addition, the plasma free fatty acids and glycerol responses did not differ between water and land walking either during exercise or recovery. The plasma glucose concentrations decreased during water walking and were lower than those of land walking.　These results indicate that when the subjects exercised at a thermoneutral temperature and moderate intensity, no differences in the responses of growth hormone, cortisol, insulin, glucagon, free fatty acids or glycerol concentrations were observed between water walking and land walking.

Journal

  • 健康科学

    健康科学 18 51-56, 1996-03-31

    Institute of Health Science,Kyushu University

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