{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,9,12]],"date-time":"2025-09-12T17:57:16Z","timestamp":1757699836487},"reference-count":29,"publisher":"Canadian Science Publishing","issue":"6","license":[{"start":{"date-parts":[[2010,12,1]],"date-time":"2010-12-01T00:00:00Z","timestamp":1291161600000},"content-version":"tdm","delay-in-days":0,"URL":"http:\/\/www.nrcresearchpress.com\/page\/about\/CorporateTextAndDataMining"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Appl. Physiol. Nutr. Metab."],"published-print":{"date-parts":[[2010,12]]},"abstract":"<jats:p> We determined whether beverage flavoring and composition would stimulate voluntary drink intake, prevent dehydration, and maintain exercise performance in heat-acclimated adolescent males running in the heat. Eight adolescent (age, 13.7\u00a0\u00b1 1.1\u00a0years) runners (peak oxygen uptake, 59.5\u00a0\u00b1 4.0\u00a0mL\u00b7kg<jats:sup>\u20131<\/jats:sup>\u00b7min<jats:sup>\u20131<\/jats:sup>) underwent at least four 80-min exercise heat-acclimation sessions before completing 3 experimental sessions. All sessions were performed at 30\u00a0\u00b0C and 60%\u201365% relative humidity. Each experimental session consisted of five 15-min treadmill runs at a speed eliciting 65% peak oxygen uptake, with a 5\u00a0min rest prior to each run. Ten minutes after the final run, a time to exhaustion test was performed at a speed eliciting 90% peak oxygen uptake. Counterbalanced experimental sessions were identical, except for fluid intake, which consisted of tap water (W), flavored water (FW), and FW with 6% carbohydrate and 18\u00a0mmol\u00b7L<jats:sup>\u20131<\/jats:sup> NaCl (CNa) consumed ad libitum. Fluid intake and body weight were monitored to calculate dehydration. Voluntary fluid intake was similar to fluid losses in W (1032\u00a0\u00b1 130 vs. 1340\u00a0\u00b1 246\u00a0g), FW (1086\u00a0\u00b1 86 vs. 1451\u00a0\u00b1 253\u00a0g), and CNa (1259\u00a0\u00b1 119 vs. 1358\u00a0\u00b1 234\u00a0g). As a result, significant dehydration was avoided in all trials (\u20130.45%\u00a0\u00b1 0.68% body weight in W,\u00a0\u20130.66%\u00a0\u00b1 0.50% body weight in FW, and\u00a0\u20130.13%\u00a0\u00b1 0.71% body weight in CNa). Core temperature increased by ~1\u00a0\u00b0C during exercise, but was not different between trials. Time to exhaustion was not different between trials and averaged 8.8\u00a0\u00b1 1.7\u00a0min. Under exercise conditions more closely reflecting real-life situations, heat-acclimatized adolescent male runners can appropriately gauge fluid intake regardless of the type of beverage made available, resulting in consistency in exercise performance. <\/jats:p>","DOI":"10.1139\/h10-084","type":"journal-article","created":{"date-parts":[[2010,12,22]],"date-time":"2010-12-22T11:07:36Z","timestamp":1293016056000},"page":"834-841","source":"Crossref","is-referenced-by-count":20,"title":["Voluntary fluid intake, hydration status, and aerobic performance of adolescent athletes in the heat"],"prefix":"10.1139","volume":"35","author":[{"given":"Boguslaw","family":"Wilk","sequence":"first","affiliation":[{"name":"Children\u2019s Exercise and Nutrition Centre, McMaster University, Hamilton, ON L8N 3Z5, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Brian W.","family":"Timmons","sequence":"additional","affiliation":[{"name":"Children\u2019s Exercise and Nutrition Centre, McMaster University, Hamilton, ON L8N 3Z5, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Oded","family":"Bar-Or","sequence":"additional","affiliation":[{"name":"Children\u2019s Exercise and Nutrition Centre, McMaster University, Hamilton, ON L8N 3Z5, Canada"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"155","reference":[{"issue":"8","key":"rg1\/ref1","first-page":"765","volume":"56","author":"Armstrong L.E.","year":"1985","journal-title":"Aviat. 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