{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,16]],"date-time":"2026-10-16T19:37:59Z","timestamp":1792179479177,"version":"4.4.0"},"reference-count":19,"publisher":"National Athletic Trainers' Association","issue":"3","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2012,5,1]]},"abstract":"<jats:sec>\n                  <jats:title>Context:<\/jats:title>\n                  <jats:p>The effectiveness of education in modifying hydration behaviors in adolescent athletes is unclear.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Objective:<\/jats:title>\n                  <jats:p>To assess the hydration status and behaviors of female athletes before and after a 1-time educational intervention and prescribed hydration intervention in a warm, humid, tropical environment.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Design:<\/jats:title>\n                  <jats:p>Cohort study.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Setting:<\/jats:title>\n                  <jats:p>Non\u2013air-conditioned gymnasium in a tropical environment (indoor wet bulb globe temperature \u200a=\u200a 24.0 \u00b1 0.2\u00b0C).<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Patient or Other Participants:<\/jats:title>\n                  <jats:p>Thirty-six female adolescent elite volleyball players (age \u200a=\u200a 14.8 \u00b1 0.8\u00a0years, height \u200a=\u200a 168.2 \u00b1 8.2\u00a0cm, mass \u200a=\u200a 60.8 \u00b1 9.0\u00a0kg, body mass index \u200a=\u200a 21.7 \u00b1 2.7, body surface area \u200a=\u200a 1.65 \u00b1 0.14\u00a0m2, body surface area to mass ratio \u200a=\u200a 2.71 \u00b1 0.18\u00a0m2\u00b7kg\u22121\u00b710\u22122) participated.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Intervention(s):<\/jats:title>\n                  <jats:p>Four observational periods consisting of 3 practices per observational period separated by 48\u00a0hours. The 4 periods included a control period, educational intervention, prescribed hydration intervention (PHI), and observational follow-up (OF-U). After the control period, an educational intervention consisting of a slide presentation was provided to the participants, followed by a week of observation. In the PHI, a precalculated volume of water based on individual sweat rate was consumed every 20\u00a0minutes during each 2-hour practice. During all other periods, participants consumed their fluid of choice ad libitum. The order of the treatment periods was not randomized and was the same for all participants.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Main Outcome Measure(s):<\/jats:title>\n                  <jats:p>Prepractice to postpractice changes in body mass (\u0394BM), percentage of body mass lost (%BML), urine specific gravity, urine color, urine osmolality, sweat rate, and volume of fluid consumed (Fvol).<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Results:<\/jats:title>\n                  <jats:p>The PHI was the only period during which participants maintained body mass (\u0394BM \u200a=\u200a 0.05 \u00b1 1.3%); Fvol consumed was greatest during this time (Fvol \u200a=\u200a 1.3 \u00b1 0.4\u00a0L; F1,3 \u200a=\u200a 34.869, P \u2264 .001). The \u0394BM was less for the PHI (\u0394BM \u200a=\u200a 0.05 \u00b1 0.9\u00a0kg, %BML \u200a=\u200a 0.04 \u00b1 1.3%) than the OF-U period (\u0394BM \u200a=\u200a \u22120.7 \u00b1 1.1\u00a0kg, %BML \u200a=\u200a \u22121.2 \u00b1 1.9%; F1,3 \u200a=\u200a 6.220, P \u200a=\u200a .01). The Fvol (1.3 \u00b1 0.4\u00a0L) and percentage of fluid consumed (143.7 \u00b1 110.8%) to restore sweat loss for the PHI period were higher than for any other period (F1,3 \u200a=\u200a 34.869, P \u2264 .001). None of the participants experienced serious dehydration in any of the conditions.<\/jats:p>\n               <\/jats:sec>\n               <jats:sec>\n                  <jats:title>Conclusions:<\/jats:title>\n                  <jats:p>A 1-time education session alone was not successful in changing hydration behaviors. However, prescribing individualized hydration protocols improved hydration for adolescents exercising in a warm, humid environment.<\/jats:p>\n               <\/jats:sec>","DOI":"10.4085\/1062-6050-47.3.05","type":"journal-article","created":{"date-parts":[[2017,3,2]],"date-time":"2017-03-02T15:09:42Z","timestamp":1488467382000},"page":"273-281","source":"Crossref","is-referenced-by-count":35,"title":["Hydration Behaviors Before and After an Educational and Prescribed Hydration Intervention in Adolescent Athletes"],"prefix":"10.4085","volume":"47","author":[{"given":"Michelle A.","family":"Cleary","sequence":"first","affiliation":[{"name":"Department of Kinesiology and Rehabilitation Science, University of Hawaii at Manoa, Honolulu, HI. Dr Cleary is now at Athletic Training Education Program, Chapman University, Orange, CA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ronald K.","family":"Hetzler","sequence":"first","affiliation":[{"name":"Department of Kinesiology and Rehabilitation Science, University of Hawaii at Manoa, Honolulu, HI. Dr Cleary is now at Athletic Training Education Program, Chapman University, Orange, CA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Darcy","family":"Wasson","sequence":"first","affiliation":[{"name":"Department of Kinesiology and Rehabilitation Science, University of Hawaii at Manoa, Honolulu, HI. Dr Cleary is now at Athletic Training Education Program, Chapman University, Orange, CA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jennifer J.","family":"Wages","sequence":"first","affiliation":[{"name":"Department of Kinesiology and Rehabilitation Science, University of Hawaii at Manoa, Honolulu, HI. Dr Cleary is now at Athletic Training Education Program, Chapman University, Orange, CA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christopher","family":"Stickley","sequence":"first","affiliation":[{"name":"Department of Kinesiology and Rehabilitation Science, University of Hawaii at Manoa, Honolulu, HI. Dr Cleary is now at Athletic Training Education Program, Chapman University, Orange, CA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Iris F.","family":"Kimura","sequence":"first","affiliation":[{"name":"Department of Kinesiology and Rehabilitation Science, University of Hawaii at Manoa, Honolulu, HI. Dr Cleary is now at Athletic Training Education Program, Chapman University, Orange, CA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"2557","reference":[{"issue":"3","key":"2020060408435837900_i1062-6050-47-3-273-American1","doi-asserted-by":"crossref","first-page":"556","DOI":"10.1249\/MSS.0b013e31802fa199","article-title":"American College of Sports Medicine position stand: exertional heat illness during training and competition","volume":"39","author":"American College of Sports Medicine","year":"2007","journal-title":"Med Sci Sports Exerc"},{"issue":"1","key":"2020060408435837900_i1062-6050-47-3-273-BarOr1","doi-asserted-by":"crossref","first-page":"104","DOI":"10.1152\/jappl.1980.48.1.104","article-title":"Voluntary hypohydration in 10- to 12-year-old boys","volume":"48","author":"Bar-Or","year":"1980","journal-title":"J Appl Physiol"},{"issue":"8","key":"2020060408435837900_i1062-6050-47-3-273-Armstrong1","first-page":"765","article-title":"Voluntary dehydration and electrolyte losses during prolonged exercise in the heat","volume":"56","author":"Armstrong","year":"1985","journal-title":"Aviat Space Environ Med"},{"issue":"1","key":"2020060408435837900_i1062-6050-47-3-273-RiveraBrown1","doi-asserted-by":"crossref","first-page":"109","DOI":"10.1007\/s00421-008-0682-1","article-title":"Voluntary drinking and hydration in trained, heat-acclimatized girls exercising in a hot and humid climate","volume":"103","author":"Rivera-Brown","year":"2008","journal-title":"Eur J Appl Physiol"},{"issue":"4","key":"2020060408435837900_i1062-6050-47-3-273-Wilk1","doi-asserted-by":"crossref","first-page":"1112","DOI":"10.1152\/jappl.1996.80.4.1112","article-title":"Effect of drink flavor and NaCl on voluntary drinking and hydration in boys exercising in the heat","volume":"80","author":"Wilk","year":"1996","journal-title":"J Appl Physiol"},{"issue":"4","key":"2020060408435837900_i1062-6050-47-3-273-McDermott1","doi-asserted-by":"crossref","first-page":"535","DOI":"10.1123\/jsr.18.4.535","article-title":"Hydration status, sweat rates, and rehydration education of youth football campers","volume":"18","author":"McDermott","year":"2009","journal-title":"J Sport Rehabil"},{"issue":"3","key":"2020060408435837900_i1062-6050-47-3-273-Decher1","doi-asserted-by":"crossref","first-page":"262","DOI":"10.1123\/ijspp.3.3.262","article-title":"Hydration status, knowledge, and behavior in youths at summer sports camps","volume":"3","author":"Decher","year":"2008","journal-title":"Int J Sports Physiol Perform"},{"issue":"4","key":"2020060408435837900_i1062-6050-47-3-273-Stover1","doi-asserted-by":"crossref","first-page":"330","DOI":"10.1055\/s-2005-865667","article-title":"Consistently high urine specific gravity in adolescent American football players and the impact of an acute drinking strategy","volume":"27","author":"Stover","year":"2006","journal-title":"Int J Sports Med"},{"issue":"2","key":"2020060408435837900_i1062-6050-47-3-273-Casa1","first-page":"212","article-title":"National Athletic Trainers' Association position statement: fluid replacement for athletes","volume":"35","author":"Casa","year":"2000","journal-title":"J Athl Train"},{"issue":"4","key":"2020060408435837900_i1062-6050-47-3-273-Armstrong2","doi-asserted-by":"crossref","first-page":"345","DOI":"10.1123\/ijsn.8.4.345","article-title":"Urinary indices during dehydration, exercise, and rehydration","volume":"8","author":"Armstrong","year":"1998","journal-title":"Int J Sport Nutr"},{"issue":"9 pt 1","key":"2020060408435837900_i1062-6050-47-3-273-Sampson1","first-page":"872","article-title":"The environmental symptoms questionnaire: revisions and new filed data","volume":"51","author":"Sampson","year":"1980","journal-title":"Aviat Space Environ Med"},{"issue":"suppl","key":"2020060408435837900_i1062-6050-47-3-273-Eberman1","first-page":"S52","article-title":"Validation of the Heat Illness Index Score Risk Assessment [abstract]","volume":"40","author":"Eberman","year":"2007","journal-title":"J Athl Train"},{"key":"2020060408435837900_i1062-6050-47-3-273-Casa2","first-page":"24","article-title":"Inter-Association Task Force on Exertional Heat Illnesses consensus statement","volume":"6","author":"Casa","year":"2003","journal-title":"NATA News"},{"key":"2020060408435837900_i1062-6050-47-3-273-Casa3","article-title":"Parents' and coaches' guide to dehydration and other heat illnesses in children","author":"Casa"},{"issue":"1","key":"2020060408435837900_i1062-6050-47-3-273-Osterberg1","doi-asserted-by":"crossref","first-page":"53","DOI":"10.4085\/1062-6050-44.1.53","article-title":"Pregame urine specific gravity and fluid intake by National Basketball Association players during competition","volume":"44","author":"Osterberg","year":"2009","journal-title":"J Athl Train"},{"issue":"6","key":"2020060408435837900_i1062-6050-47-3-273-Kouno1","doi-asserted-by":"crossref","first-page":"309","DOI":"10.1093\/jjco\/hyg062","article-title":"Standardization of the body surface area (BSA) formula to calculate the dose of anticancer agents in Japan","volume":"33","author":"Kouno","year":"2003","journal-title":"Jpn J Clin Oncol"},{"issue":"3","key":"2020060408435837900_i1062-6050-47-3-273-Binkley1","first-page":"329","article-title":"National Athletic Trainers' Association position statement: exertional heat illnesses","volume":"37","author":"Binkley","year":"2002","journal-title":"J Athl Train"},{"issue":"2","key":"2020060408435837900_i1062-6050-47-3-273-Armstrong3","doi-asserted-by":"crossref","first-page":"145","DOI":"10.1123\/ijsnem.20.2.145","article-title":"Human hydration indices: acute and longitudinal reference values","volume":"20","author":"Armstrong","year":"2010","journal-title":"Int J Sport Nutr Exerc Metab"},{"issue":"2","key":"2020060408435837900_i1062-6050-47-3-273-Bergeron1","doi-asserted-by":"crossref","first-page":"476","DOI":"10.1152\/japplphysiol.00122.2008","article-title":"Repeated-bout exercise in the heat in young athletes: physiological strain and perceptual responses","volume":"106","author":"Bergeron","year":"2009","journal-title":"J Appl Physiol"}],"container-title":["Journal of Athletic Training"],"original-title":[],"language":"en","link":[{"URL":"http:\/\/meridian.allenpress.com\/jat\/article-pdf\/47\/3\/273\/1455559\/1062-6050-47_3_05.pdf","content-type":"application\/pdf","content-version":"vor","intended-application":"syndication"},{"URL":"http:\/\/meridian.allenpress.com\/jat\/article-pdf\/47\/3\/273\/1455559\/1062-6050-47_3_05.pdf","content-type":"unspecified","content-version":"vor","intended-application":"similarity-checking"}],"deposited":{"date-parts":[[2025,6,11]],"date-time":"2025-06-11T18:58:48Z","timestamp":1749668328000},"score":1,"resource":{"primary":{"URL":"https:\/\/nata.kglmeridian.com\/view\/journals\/attr\/47\/3\/article-p273.xml"}},"subtitle":[],"short-title":[],"issued":{"date-parts":[[2012,5,1]]},"references-count":19,"journal-issue":{"issue":"3","published-print":{"date-parts":[[2012,5,1]]}},"URL":"https:\/\/doi.org\/10.4085\/1062-6050-47.3.05","relation":{},"ISSN":["1062-6050"],"issn-type":[{"value":"1062-6050","type":"print"}],"subject":[],"published":{"date-parts":[[2012,5,1]]}}}