Accuracy of urine specific gravity and osmolality as indicators of hydration status

International Journal of Sport Nutrition and Exercise Metabolism

Volumn 15, Issue 3, 2005, Pages 236-251

  Oppliger, Robert A ^a   Magnes, Scott A ^b   Popowski, LeRoy A ^c   Gisolfi, Carl V ^c  

^a Iowa Wrestling Research   (United States)

^b Space and Naval Warfare Systems Center Pacific   (United States)

^c NONE

Author keywords

Dehydration; Euhydration; Plasma osmolality; Wrestling

Indexed keywords

ADULT; ARTICLE; ATHLETE; CONTROLLED STUDY; DEHYDRATION; HUMAN; HUMAN EXPERIMENT; HYDRATION; HYPERTONIC DEHYDRATION; MALE; MEDICAL DECISION MAKING; MODEL; NORMAL HUMAN; PHYSICAL ACTIVITY; PLASMA OSMOLALITY; REFERENCE VALUE; RELATIVE DENSITY; URINALYSIS; URINE OSMOLALITY; VALIDATION PROCESS; WRESTLING;

EID: 21344447555     PISSN: 1526484X     EISSN: None     Source Type: Journal    
DOI: 10.1123/ijsnem.15.3.236     Document Type: Article

References (20)

1. American College of Sports Medicine. Position statement: exercise and fluid replacement for athletes. Med. Sci. Sports Exerc. 28:i-vii, 1996.
2. Armstrong, L.E., J.A.H. Soto, F.T. Hacker, D.J. Casa, S.A. Kavouras, and C.M. Maresh. Urinary indices during dehydration, exercise, and rehydration. Int. J. Sport Nutr. 8: 345-355, 1998.
3. Armstrong, L.E., C.M. Maresh, J.W. Castellani, M.F. Bergeron, R.W. Kenefick, K.E. LaGasse, and D. Riebe. Urinary indices of hydration status. Int. J. Sport Nutr. 4:265-279, 1994.
4. Armstrong, L.E., C.M. Maresh, C.V. Gabaree, J.R. Hoffman, S.A. Kavouras, R.W. Kenefick, J.W. Castellani, and L.E. Ahlquist. Thermal and circulatory responses during exercise: effects of hypohydration, dehydration, and water intake. J. App. Physiol. 82(6): 2028-2035, 1997.
5. Bartok, C., D.A. Schoeller, J.C. Sullivan, R.R. Clark, and G.L. Landry. Hydration testing in collegiate wrestlers undergoing hypertonic dehydration. Med. Sci. Sports Exerc. 36(3):510-517, 2004.
6. Casa, D.J., L.E. Armstrong, S.K. Hillman, S.J. Montain, R.V. Reiff, B.S.E. Rich, W.O. Roberts, and J.A. Stone. National Athletic Trainers' Association position statement: fluid replacement for athletes. J. Athletic Training 35(2):212-224, 2000.
7. Casa, D.J., P.M. Clarkson, and W.O. Roberts. ACSM roundtable on hydration and physical activity. Clin. J. Sports Med. (in press).
8. Centers for Disease Control and Prevention. Hyperthermia and dehydration-related deaths associated with intentional rapid weight loss in three collegiate wrestlers-North Carolina, Wisconsin, and Michigan, November-December 1997. JAMA 279:824-825, 1998.
9. Cohen, J. Statistical power analysis for the behavioral sciences, 2nd ed., Hillsdale, NJ: Erlbaum Associates, 1988, pp. 215-271.
10. Dawson-Saunders, B., and R.G. Trapp. Basic and clinical biostatistics, Norwalk, CT: Appleton and Lange, 1994, pp. 232-249.
11. Francesconi, R.P., R.W. Hubbard, P.C. Szlyk, D. Schnakenberg, D. Carlson, N. Leva, I. Sils, L. Hubbard, V. Pease, J. Young, and D. Moore. Urinary and hematologic indexes of hypohydration. J. App. Physiol. 62(3):1271-1276, 1987.
12. Kovacs, E.M.R., J.M.G. Senden, and F. Brouns. Urine color, osmolality, and specific electrical conductance are not accurate measures of hydration status during post exercise rehydration. J. Sports Med. Phys. Fitness 39:47-53, 1999.
13. Mueller, F.O. Annual survey of football injury research-1931-2001. National Collegiate Athletic Association, Indianapolis, IN: 2002.
14. Oppliger, R.A., and C. Bartok. Current opinion: hydration testing of athletes. Sports Med. 32(15):959-971, 2002.
15. Popowski, L.A., R.A. Oppliger, G.P. Lambert, R.F. Johnson, A.K. Johnson, and C.V. Gisolfi. Blood and urinary measures of dehydration status during progressive acute dehydration. Med. Sci. Sports Exerc. 33(5):747-753, 2001.
16. SAS Institute, Inc. SAS user's guide version 8, Cary, NC: SAS Institute, Inc., 1999.
17. Senay, L.C. Temperature regulation and hypohydration: a singular view. J. App. Physiol. 47:1-7, 1979.
18. Shirreffs, S.M., and R.J. Maughan. Urine osmolality and conductivity as indices of hydration status in athletes in the heat. Med. Sci. Sports Exerc. 30:1598-1602, 1998.
19. Wrestling Rules Committee. National Collegiate Athletic Association Wrestling Rules. Indianapolis, IN: NCAA Publications, 2003.
20. Wrestling Rules Committee. National Federation of State High School Associations Wrestling Rules. Indianapolis, IN: NFSHSA Publications, 2003.