タナカ　ヒロシ   田中　博史   スポーツ・健康科学部 スポーツ科学科   教授

■ 標題   Significance of Post-Exercise Increment of Urinary Bicarbonate and pH in Subjects Loaded with Sub maximal Cycling Exercise

■ 概要   The present report may be the first to confirm the marked increase in urinary bicarbonate（HC03-）and urinary pH at the recovery period after exhaustive cycling exercise. Cycling exercise caused the excessive production of blood lactate exceeding more than 10 mM,which remained high,though it was consumed gradually in the recovery period after the termination of exercise.It was considererd that the marked increase in urinary bicarbonate and urinary pH may be caused by conversion of lactate to CO2,resulting in H+ execrise．Since urinary bicarbonate and pH seem to reflect the level of bicarbonate and hydrogen ion in the blood, these parameters will be useful for the evaluation of acid-base balance and energy metabolism in the human body during exercise and post-exercise periods．   Tetsushi Morigushi,Akio Tomoda,Shiro Ichimura,Yuko Odagiri,Shigeru Inoue,Takeshi Nagasawa Hiroshi Tanaka,Naoki Nakagawa,Teruishi Shimomitsu   共著   Tohoku J. Exp. Med．   東北大学   202,203-211頁   2004/02

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