High Concentration of Carbohydrate Mouth Rinse Improve Endurance Exercise Capacity

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  • 高濃度糖質溶液によるマウスリンスは持久性運動能力を向上させるか？−認知機能および脳活動の観点から−
  • 高濃度糖質溶液によるマウスリンスは持久性運動能力を向上させるか? : 認知機能および脳活動の観点から
  • コウノウド トウシツ ヨウエキ ニ ヨル マウスリンス ワ ジキュウセイ ウンドウ ノウリョク オ コウジョウ サセル カ? : ニンチ キノウ オヨビ ノウ カツドウ ノ カンテン カラ

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<p>The aim of this study was to examine the effects of different concentrations of maltodextrin solution （CHO） mouth rinse on endurance exercise capacity, physiological and subjective responses. Nine endurance-trained subjects completed cycling trials at 55% of maximum to complete exhaustion. Mouth rinse was done every 5 min for 10 seconds. CHO concentrations are set for 0%, 6% and 18%. Endurance exercise capacity, physiological indexes （rectal temperature, mean skin temperature, heart rate, cerebral oxidation） and subjective indexes （rating of perceived exertion: RPE, comfort in the mouth） were measured every 5 min. Time to exhaustion with 18% （70.6 ± 6.3 min） was significantly longer than that with 0% （62.1 ± 5.1 min） and 6% （65.9 ± 5.5min）．Physiological indexesand RPE increased during exercise; however these are not significantly different between conditions. These results indicate that high concentration of CHO mouth rinse improves endurance exercise capacity without increase in physiological responses. These results suggested that the increase in exercise performance by CHO mouth rise might be related to the improvement of brain activity during exercise.</p>

Journal

  • DESCENTE SPORTS SCIENCE

    DESCENTE SPORTS SCIENCE 38 (0), 48-54, 2017-05-26

    THE DESCENTE AND ISHIMOTO MEMORIAL FOUNDATION FOR THE PROMOTION OF SPORTS SCIENCE

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