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Paola Rodriguez-Giustiniani and Stuart D.R. Galloway

.254.4.R641 10.1152/ajpregu.1988.254.4.R641 Yasuda , N. , Kawal , Y. , Hara , A. , Iide , K. , & Matsamura , T. ( 2013 ). Evaluation of menstrual cycle phase in hydration status based on urine specific gravity following basketball training . Bulletin of The International Pacific University

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Kayleigh R. Erickson, Gregory J. Grosicki, Mara Mercado and Bryan L. Riemann

was verified by ensuring participant’s urine-specific gravity was above 1.0. Height and weight were measured for each participant using a wall-mounted stadiometer and a calibrated digital scale, respectively. Bone mineralization measurements and analyses were obtained via DXA (Lunar iDXA; GE

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Jessica M. Stephens, Shona L. Halson, Joanna Miller, Gary J. Slater, Dale W. Chapman and Christopher D. Askew

consumption of caffeine and alcohol for 24 hours and fasting for 1 hour prior. Food-intake and exercise diaries were used to ensure consistency across trials. Hydration status was assessed on waking via urine specific gravity and was consistent across trials. All testing was performed in a temperature

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Lindsay B. Baker, Kelly A. Barnes, Bridget C. Sopeña, Ryan P. Nuccio, Adam J. Reimel and Corey T. Ungaro

.A. ( 2009 ). Hydration status, sweat rates, and rehydration education of youth football campers . Journal of Sport Rehabilitation, 18 ( 4 ), 535 – 552 . PubMed doi:10.1123/jsr.18.4.535 10.1123/jsr.18.4.535 Osterberg , K.L. , Horswill , C.A. , & Baker , L.B. ( 2009 ). Pregame urine specific

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Mark Evans, Peter Tierney, Nicola Gray, Greg Hawe, Maria Macken and Brendan Egan

analysis. Statistical significance was accepted at the level of p  < .05 for all statistical tests. Results Hydration status, measured as urine specific gravity, prior to each trial did not differ (CAF, 1.0159 ± 0.0086; PLA, 1.0172 ± 0.0082; p  = .521; ES = 0.16). There were main effects of time for

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D. Enette Larson-Meyer, Kathleen Woolf and Louise Burke

indicators: serum sodium, plasma osmolality (P osm ), urine specific gravity (U sg ), urine osmolality (U osm ) Dehydration cut-off: c P osm  < 295 m osm /kg U sg  < 1.020 U osm  < 700–800 m osm /kg Decreased urine volume, dark-yellow urine,  decreased skin turgor, weak, rapid pulse, elevated respiratory

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Kevin C. Miller, Brendon P. McDermott and Susan W. Yeargin

-971982 Osterberg , K.L. , Horswill , C.A. , & Baker , L.B. ( 2009 ). Pregame urine specific gravity and fluid intake by National Basketball Association players during competition . Journal of Athletic Training, 44 ( 1 ), 53 – 57 . PubMed ID: 19180219 doi:10.4085/1062-6050-44.1.53 10

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Hans Braun, Judith von Andrian-Werburg, Wilhelm Schänzer and Mario Thevis

consumed outside of meals are prone to under-reporting ( 35 ). Apart from this source of error, urine specific gravity, weight loss during training, and urine color were not measured, therefore, limiting the significance of these values. However, it is noticeable that 44% of the players did not meet the

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prediction equations significantly underestimated RMR compared to measured values (range 39-401 kcal). In line with other athletic populations the Cunningham equation appears to be the most accurate for predicting resting metabolic rate in female 7s players. Reliability of Three Urine Specific Gravity Meters

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Alan J. McCubbin, Bethanie A. Allanson, Joanne N. Caldwell Odgers, Michelle M. Cort, Ricardo J.S. Costa, Gregory R. Cox, Siobhan T. Crawshay, Ben Desbrow, Eliza G. Freney, Stephanie K. Gaskell, David Hughes, Chris Irwin, Ollie Jay, Benita J. Lalor, Megan L.R. Ross, Gregory Shaw, Julien D. Périard and Louise M. Burke

reliable if not well rested and after recent large changes in fluid balance, or with intake of water-soluble vitamin supplements Urine specific gravity Simple for practitioners to operate provides quantitative result Equipment cost, some level of expertise required to operate, indirect measure, may not be