The DOI matches its Crossref record; 6 of the 6 references it cites were found in a registry or an index.
Errors in the estimation of hydration status from changes in body mass
Abstract
Hydration status is not easily measured, but acute changes in hydration status are often estimated from body mass change. Changes in body mass are also often used as a proxy measure for sweat losses. There are, however, several sources of error that may give rise to misleading results, and our aim in this paper is to quantify these potential errors. Respiratory water losses can be substantial during hard work in dry environments. Mass loss also results from substrate oxidation, but this generates water of oxidation which is added to the body water pool, thus dissociating changes in body mass and hydration status: fat oxidation actually results in a net gain in body mass as the mass of carbon dioxide generated is less than the mass of oxygen consumed. Water stored with muscle glycogen is presumed to be made available as endogenous carbohydrate stores are oxidized. Fluid ingestion and sweat loss complicate the picture by altering body water distribution. Loss of hypotonic sweat results in increased osmolality of body fluids. Urine and faecal losses can be measured easily, but changes in the water content of the bladder and the gastrointestinal tract cannot. Body mass change is not always a reliable measure of changes in hydration status and substantial loss of mass may occur without an effective net negative fluid balance.
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Cites
Romijn, J. A., Coyle, E. F., Sidossis, L. S., Gastaldelli, A., Horowitz, J. F., Endert, E., & Wolfe, R. R. (1993) · American Journal of Physiology-Endocrinology and Metabolism · doi:10.1152/ajpendo.1993.265.3.e380 · Cited by 1,747
Fluid and fuel intake during exercise
Coyle, E. F. (2004) · Journal of Sports Sciences · doi:10.1080/0264041031000140545 · Cited by 423
Optimizing fat oxidation through exercise and diet
Achten, J., & Jeukendrup, A. E. (2004) · Nutrition · doi:10.1016/j.nut.2004.04.005 · Cited by 361
Variation in Total Body Water with Muscle Glycogen Changes in Man
Olsson, K., & Saltin, B. (1970) · Acta Physiologica Scandinavica · doi:10.1111/j.1748-1716.1970.tb04764.x · Cited by 264
Pre-exercise carbohydrate and fat ingestion: effects on metabolism and performance
Hargreaves, M., Hawley, J. A., & Jeukendrup, A. (2004) · Journal of Sports Sciences · doi:10.1080/0264041031000140536 · Cited by 178
Muscle Glycogen Storage and Its Relationship with Water
Sherman*, W., Plyley, M., Sharp, R., Van Handel, P., McAllister, R., Fink, W., & Costill, D. (1982) · International Journal of Sports Medicine · doi:10.1055/s-2008-1026056 · Cited by 46 · cited 2×
“( 1982 ), in which the muscle glycogen content of rats was manipulated by exercise and diet, suggested that there was no consistent association between the amount of glycogen stored in a muscle and the muscle water content.”
Background
Cited by
McDermott, B. P., Anderson, S. A., Armstrong, L. E., Casa, D. J., Cheuvront, S. N., Cooper, L., Kenney, W. L., O'Connor, F. G., & Roberts, W. O. (2017) · Journal of Athletic Training · doi:10.4085/1062-6050-52.9.02 · Cited by 438
Baker, L. B. (2017) · Sports Medicine · doi:10.1007/s40279-017-0691-5 · Cited by 403
Nuccio, R. P., Barnes, K. A., Carter, J. M., & Baker, L. B. (2017) · Sports Medicine · doi:10.1007/s40279-017-0738-7 · Cited by 252
Hew-Butler, T., Rosner, M. H., Fowkes-Godek, S., Dugas, J. P., Hoffman, M. D., Lewis, D. P., Maughan, R. J., Miller, K. C., Montain, S. J., Rehrer, N. J., et al. (2015) · Clinical Journal of Sport Medicine · doi:10.1097/jsm.0000000000000221 · Cited by 205
Self-citationDehydration and rehydration in competative sport
Maughan, R. J., & Shirreffs, S. M. (2010) · Scandinavian Journal of Medicine & Science in Sports · doi:10.1111/j.1600-0838.2010.01207.x · Cited by 167
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Metadata
- Authors
- Maughan, R. J., Shirreffs, S. M., & Leiper, J. B.
- Venue
- Journal of Sports Sciences
- Publisher
- Informa UK Limited
- Published
- 2007-05
- Volume
- 25
- Issue
- 7
- Pages
- 797-804
- ISSN
- 0264-0414 (ISSN-L)
- 1466-447X
- OpenAlex
- W2001635771
- Cited by
- 272
- References
- 6
- FWCI
- 11.47
- Type
- journal article
- Language
- en
- Open access
- closed
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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