Maintained total body water content and serum sodium concentrations despite body mass loss in female ultra-runners drinking ad libitum during a 100 km race

Asia Pacific Journal of Clinical Nutrition

Volumn 19, Issue 1, 2010, Pages 83-90

  Knechtle, Beat ^a,b   Senn, Oliver ^b   Imoberdorf, Reinhard ^c   Joleska, Irena ^a   Wirth, Andrea ^a   Knechtle, Patrizia ^a   Rosemann, Thomas ^b  

^a State Hospital St Gallen   (Switzerland)

^b UNIVERSITY HOSPITAL ZURICH   (Switzerland)

^c CANTONAL HOSPITAL WINTERTHUR   (Switzerland)

Author keywords

Body composition; Dehydration; Performance; Ultra endurance; Water

Indexed keywords

ELAGATIS;

SODIUM;

ADULT; ANTHROPOMETRY; ARTICLE; ATHLETIC PERFORMANCE; BLOOD; BODY COMPOSITION; BODY WATER; CHEMISTRY; CROSS-SECTIONAL STUDY; DRINKING; ELECTROLYTE BALANCE; ENDURANCE; ENERGY METABOLISM; EXERCISE; FEMALE; HEMATOCRIT; HUMAN; HYPONATREMIA; MIDDLE AGED; PHYSIOLOGY; PLASMA VOLUME; RISK FACTOR; RUNNING; STATISTICS; URINE; WEIGHT REDUCTION;

ADULT; ANTHROPOMETRY; ATHLETIC PERFORMANCE; BODY COMPOSITION; BODY WATER; CROSS-SECTIONAL STUDIES; DRINKING; ENERGY METABOLISM; EXERCISE; FEMALE; HEMATOCRIT; HUMANS; HYPONATREMIA; MIDDLE AGED; PHYSICAL ENDURANCE; PLASMA VOLUME; RISK FACTORS; RUNNING; SODIUM; URINE; WATER-ELECTROLYTE BALANCE; WEIGHT LOSS;

EID: 77952301191     PISSN: 09647058     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (31)

1. Knechtle B, Wirth A, Knechtle P, Kohler G. Increase of total body water in face of a decrease of body mass during non-stop running 100 km - formation of oedema? Res Q Exerc Sport. 2009;80:593-603.
2. Skenderi KP, Kavouras SA, Anastasiou CA, Yiannakouris N, Matalas AL. Exertional rhabdomyolysis during a 246-km continuous running race. Med Sci Sports Exerc. 2006;38: 1054-7.
3. Knechtle B, Kohler G. Running 338 kilometres within five days has no effect on body mass and body fat but reduces skeletal muscle mass - the Isarrun 2006. J Sports Sci Med. 2007;6:401-7.
4. Knechtle B, Duff B, Schulze I, Kohler G. A multi-stage ultra-endurance run over 1,200 km leads to a continuous accumulation of total body water. J Sports Sci Med. 2008;7: 357-64.
5. Kao WF, Shyu CH, Yang XW, Hsu TF, Chen JJ, Kao WC, et al. Athletic performance and serial weight changes during 12- and 24-hour ultra-marathons. Clin J Sport Med. 2008;18: 155-8.
6. Fellmann N, Ritz P, Ribeyre J, Beaufrère B, Delaître M, Coudert J. Intracellular hyperhydration induced by a 7-day endurance race. Eur J Appl Physiol. 1999;80:353-9.
7. Lehmann M, Huonker M, Dimeo F. Serum amino acid concentrations in nine athletes before and after the 1993 Colmar Ultra Triathlon. Int J Sports Med. 1995;16:155-9.
8. Mischler I, Boirie Y, Gachon P, Pialoux V, Mounier R, Rousset P, Coudert J, Fellmann N. Human albumin synthesis is increased by an ultra-endurance trial. Med Sci Sports Exerc. 2003;35:75-81.
9. Leiper JB, McCormick K, Robertson JD, Whiting PH, Maughan RJ. Fluid homeostasis during prolonged low-intensity walking on consecutive days. Clin Sci (Lond). 1988;75:63-70.
10. Wade CE, Dressendorfer RH, O'Brien JC, Claybaugh JR. Renal function, aldosterone, and vasopressin excretion following repeated long-distance running. J Appl Physiol. 1981; 50:709-12.
11. Fellmann N, Sagnol M, Bedu M, Falgairette G, Van Praagh E, Gaillard G, Jouanel P, Coudert J. Enzymatic and hormonal responses following a 24 h endurance run and a 10 h triathlon race. Eur J Appl Physiol. 1988;57:545-53.
12. Irving RA, Noakes TD, Buck R, van Zyl Smit R, Raine E, Godlonton J, Norman RJ. Evaluation of renal function and fluid homeostasis during recovery from exercise-induced hyponatremia. J Appl Physiol. 1991;70:342-8.
13. Stumpfle KJ, Lehmann DR, Case HS, Hughes SL, Evans D. Change in serum sodium concentration during a cold weather ultradistance race. Clin J Sport Med. 2003;13:171-5.
14. Kavouras SA. Assessing hydration status. Curr Opin Clin Nutr Metab Care. 2002;5:519-24.
15. Shireffs SM. Markers of hydration status. Eur J Clin Nutr. 2003;57:S6-S9.
16. Hew TD. Women hydrate more than men during a marathon race: hyponatremia in the Houston marathon: a report on 60 cases. Clin J Sport Med. 2005;15:148-53.
17. Chorley J, Cianca J, Divine J. Risk factors for exercise-associated hyponatremia in non-elite marathon-runners. Clin J Sport Med. 2007;17:471-7.
18. Speedy DB, Noakes TD, Rogers IR, Thompson JM, Campbell RG, Kuttner JA, Boswell DR, Wright S, Hamlin M. Hyponatremia in ultradistance triathletes. Med Sci Sports Exerc. 1999;31:809-15.
19. Almond CS, Shin AY, Fortescue EB, Mannix RC, Wypij D, Binstadt BA et al. Hyponatremia among runners in the Boston Marathon. N Engl J Med. 2005;252;1550-6.
20. Davis DP, Videen JS, Marino A, Vilke GM, Dunford JV, Van Camp SP, Maharam LG. Exercise-associated hyponatremia in marathon runners: a two-year experience. J Emerg Med. 2001;21:47-57.
21. Speedy DB, Noakes TD, Kimber NE, Rogers IR, Thompson JM, Boswell DR, Ross JJ, Campbell RG, Gallagher PG, Kuttner JA. Fluid balance during and after an Ironman triathlon. Clin J Sport Med. 2001;11:44-50.
22. Ball SD, Swan P, Desimone R. Accuracy of anthropometry compared to dual energy x-ray absorptiometry. A new gen-eralizable equation for women. Res Q Exerc Sport. 2004;75: 248-58.
23. Lee RC, Wang Z, Heo M, Ross R, Janssen I, Heymsfield SB. Total-body skeletal muscle mass: development and cross-validation of anthropometric prediction models. Am J Clin Nutr. 2000;72:796-803.
24. Bedogni G, Malavolti M, Severi S, Poli M, Mussi C, Fan-tuzzi AL, Battistini N. Accuarcy of an eight-point tactile-electrode impedance method in the assessment of total body water. Eur J Clin Nutr. 2002;56:1143-8.
25. Beaumont van W. Evaluation of hemoconcentration from hematocrit measurements. J Appl Physiol. 1972;32:712-3.
26. Kirchhoff E. Online-Publication of the German Food Composition Table 'Souci-Fachmann-Kraut' on the Internet. J Food Compost Anal. 2002;15:465-72.
27. Williams MH. Nutrition for Fitness and Sport, 4th edition, Madison: Brown & Benchmark Publishers, USA; 1995.
28. Speedy DB, Faris JG, Hamlin M, Gallagher PG, Campbell RG. Hyponatremia and weight changes in an ultradistance triathlon. Clin J Sport Med. 1997;7:180-4.
29. Noakes TD, Sharwood K, Speedy D, Hew T, Reid S, Dugas J, Almond D, Wharam P, Weschler L. Three independent biological mechanisms cause exercise-associated hypona-tremia: evidence from 2,135 weighed competitive athletic performances. Proc Natl Acad Sci U S A. 2005;102:18550-5.
30. Gisolfi CV, Duchman SM Guidelines for optimal replacement beverages for different athletic event. Med Sci Sports Exerc. 1992;24:679-87.
31. Freund BJ, Shizuru EM, Hashiro GM, Claybaugh JR. Hormonal, electrolyte, and renal responses to exercise are intensity dependent. J Appl Physiol. 1999;70:900-6.