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Rivista di Medicina, Traumatologia e Psicologia dello Sport

Indexed/Abstracted in: Chemical Abstracts, CINAHL, Current Contents/Clinical Medicine, EMBASE, PubMed/MEDLINE, Science Citation Index Expanded (SciSearch), Scopus
Impact Factor 1,111

Periodicità: Mensile

ISSN 0022-4707

Online ISSN 1827-1928


The Journal of Sports Medicine and Physical Fitness 2008 Settembre;48(3):404-8

OTHER AREAS (Biochemistry, Immunology, Kinanthropometry, Neurology, Neurophysiology, Ophtalmology, Pharmacology, Phlebology, etc.) 

 Original articles

Urine cortisol and cortisone and water intake in athletes

Gatti R. 1, 2, Antonelli G. 1, Zecchin B. 1, Spinella P., 3 Mantero F. 2, De Palo E. F. 1

1 Clinical Biochemistry Department of Medical Diagnostic and Special Therapies University of Padua (I), Padua, Italy
2 Operative Unit of Endocrinology Department of Surgery and Medical Sciences University of Padua (I), Padua, Italy
3 Department of Clinical and Experimental Medicine University of Padova (I), Padua, Italy

Aim. The aim of this study was to investigate the urine cortisol (F) and cortisone (E) relation, having a well-defined water intake.
Methods. Urine specimens were collected from 10 male trained cyclists (19±1 year, 70±4 kg, 179±4 cm), at rest just before the test (pre-exe) and until 45 min after the cycle ergometer exercise test (45 min at 50-60% V.O2max) (post-exe) in the morning. This investigation measured the diuresis in the pre-exe and post-exe after each athlete had drunk 1 L of water from waking-up, after bladder emptying, to the start of the test (pre-exe) and 1 L during the 45 min after the exercise (post-exe).
Results. Urinary F and E concentrations demonstrated a significant decrease comparing pre-exe with post-exe (177±134 vs 64±21 and 706±475 vs 372±178 nmol.L-1 respectively, p<0.05). This significant decrease was verified when diuresis and urinary creatinine were taken into account and the ratio measured.
Conclusion. One litre of water intake after exercise seemed to have no effect on urine F and E excretion. Moreover the urine F/E ratio was not statistically different comparing pre-exe with post-exe.

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