Monitoring change of urine specific gravity levels of the wrestlers in an official wrestling tournament

Main Article Content

Ferhat Guder

Keywords

Combat Sports, Dehydration, United World Wrestling, Urine Specific Gravity, Weight Loss

Abstract

Study Objectives: Wrestling is a weight sport with a weight classification and wrestlers is performed
weight loss frequently before the wrestling competitions and they exposed dehydration. In this context, the
aim of this study was to monitor the change in the urine specific gravity (USG) of wrestlers in an official wrestling tournament. Thirty-six wrestlers competing in an official wrestling tournament were included in the
study. Methods: Bioelectric impedance analyzer and refractometer were used to determine the change of body
weights and the USG levels of the wrestlers between the weigh-in and the competition times. Shapiro-Wilk
test was used for the normality test of the obtained data. Wilcoxon Signed-Rank test was used to analyze
non-normally distributed data. Results: According to the results of this study, it was determined that there
was no difference in the body weights of the wrestlers between the weigh-in and the competition times,
whereas there was a difference in the USG levels. Accordingly, although USG levels decreased, it could not be
reduced to the reference range between the weigh-in and the competition times. Conclusion: These results indicate that the lose body weight before the competition is regained between the weigh-in and the competition times, whereas dehydration in the USG levels continues in the wrestlers.

Downloads

Download data is not yet available.
Abstract 26 | PDF Downloads 15

References

1. Isik O, Gumus H. Evaluation of effective demographic variables in competition performances of Turkish wrestling referees. J Hum Sport Exer 2018: 13(1): 60-71.
2. Doğan İ, Işık Ö, Birkök MC. Seeding and gold medal probability in wrestling: a 2016 Rio Olympic Games analysis. Journal of Human Sciences 2019: 16(4): 931-7.
3. Celebi M. Wrestling and anaerobic power. F. Yamaner, E. Eyuboglu (Ed.), From talent selection to Field Management in Sport Sciences 2019: 30-39. New York: Mauritius: Lap Lambert. ISBN: 978-6200-48745-2.
4. Özer U, Şahin A, Karakulak İ, Aslan CS. Investigation of the relationship between physical and motor features in young wrestlers. International Multidisciplinary Academic Researches 2017; 4(3): 13-25.
5. Zorba E, Özkan A, Akyüz M, et al. The relationship of leg volume and leg mass with anaerobic performance and knee strength in wrestlers. International Journal of Human Sciences 2010; 7(1): 83-96.
6. Yagmur R, Isik O, Kilic Y, et al. Weight loss methods and effects on the elite cadet greco-roman wrestlers. JTRM in Kinesiology, 2019; 5: 33-40.
7. Isik O, Yildirim I, Ersoz Y, et al. Monitoring of pre-competition dehydration-induced skeletal muscle damage and inflammation levels among elite wrestlers. J Back Musculoskelet Rehabil 2018; 31(3): 533-40.
8. Ceylan B, Eyuboğlu E, Genç İ. Hydration status and acute weight gain of judokas and wrestlers before competition. 17th International Sport Sciences Congress 2019; 13-16 November. Antalya. Türkiye.
9. International Wrestling Rules. https://unitedworldwrestling.org/sites/default/files/2020-03/wrestling_rules.pdf, Access Date: 01. April.2020
10. Franchini E, Brito CJ, Artioli GG. Weight loss in combat sports: Physiological, psychological and performance effects. J Int Soc Sports Nutr 2012; 9(1): 52-7.
11. Yildirim I. Associations among dehydration, testosterone and stress hormones in terms of body weight loss before competition. Am J Med Sci 2015; 350(2): 103-8.
12. Cheuvront SN, Sawka MN. Hydration assessment of athletes. Sports Science Exchange 2005; 18(2): 1-6.
13. Minton DM, Eberman LE. Best practice for clinical hydration measurement. Int J Athl Ther Train 2009; 14(1): 9-11.
14. Walsh NP, Laing SJ, Oliver SJ, et al. Saliva parameters as potential indices of hydration status during acute dehydration. Med Sci Sports Exerc 2004; 36(9): 1535-42.
15. Eyuboğlu E, Aslan CS, Karakulak İ, at al. Is there any effect on non-suitable pull technique in back & leg dynomemeters on the leg strength test results? Acta Medica Mediterr 2019; 35: 1373-7.
16. Cheuvront SN, Ely BR, Kenefick RW, et al. Biological variation and diagnostic accuracy of dehydration assessment markers. Am J Clin Nutr 2010; 92(3): 565-73.
17. Wrestling Rules Committee. National Collegiate Athletic Association Wrestling Rules. 2003; Indianapolis, In: NCAA Publications.
18. Demirkan E, Koz M, Arslan C, et al. The monitoring of weight fluctuation and hydration status in cadet wrestlers (ages 14–17) during a training camp period leading up to competition. International Journal of wrestling science 2011; 1(2): 12-8.
19. Sawka MN, Burke LM, Eichner ER, et al. American College of Sports Medicine position stand. Exercise and fluid replacement. Med Sci Sports Exerc 2007; 39(2): 377-90.
20. Chadha V, Garg U, Alon US. Measurement of urinary concentration: a critical appraisal of methodologies. Pediatr Nephrol 2001; 16(4): 374-82.
21. Cicioglu HI, Isik O, Yildirim I, et al. The effects of dehydration before competition upon body compositions leptin hormone and ghrelin hormone among elite wrestlers. Biomed Res 2017; 28(10): 4335-41.
22. Yalçın İ, Ayhan C, Düğenci A. Müsabaka öncesi elit yıldız greko-romen güreşçilerin öz güven düzeylerinin çeşitli değişkenler açısından incelenmesi. OPUS Uluslararası Toplum Araştırmaları Dergisi 2019; 11(18): 2040-54.
23. Alpay CB, Ersöz Y, Karagöz Ş, et. al. Elit güreşçilerde müsabaka öncesi ağırlık kaybı, vücut kompozisyonu ve bazı mineral seviyelerinin karşılaştırılması. International Journal of Sport Culture and Science 2015; 3(Special Issue 4): 338-48.
24. Franchini E, Sterkowicz-Przybycien K, Yuri Takito M. Anthropometrical profile of judo athletes: comparative analysis between weight categories. Int J Morphol 2014; 32(1): 36-42.
25. Schwellnus MP, Drew N, Collins M. Increased running speed and previous cramps rather than dehydration or serum sodium changes predict exercise-associated muscle cramping: a prospective cohort study in 210 Ironman triathletes. British J Sports Med 2011; 45(8): 650-6.
26. Gurses V V, Ceylan B, Sakir M, et. al. Dehydration and acute weight gain of athletes before sport competitions. Rev De Chim 2018; 69(11): 3196-8.
27. Pettersson S, Berg CM. Hydration status in elite wrestlers judokas boxers and taekwondo athletes on competition day. Int J Sport Nutr Exer Metab 2014; 24(3): 267-75.
28. Booth CK, Coad RA, Forbes-Ewan, et. al. The physiological and psychological effects of combat ration feeding during a 12-day training exercise in the tropics. Mil Med 2003; 168(1): 63-70.
29. Casa DJ, Stearns RL, Lopez RM, et. al. Influence of hydration on physiological function and performance during trail running in the heat. J Athl Train 2010; 45(2): 147-56.
30. Gullón JML, Abellán AM, de Calasanz Rabadán, J. et. al. Effects of dehydration performance for cut weight in combat sports. Applicable Research in Wrestling 2017; 47-51.
31. Isik O, Gokdemir K, Bastik C, Yildirim I. at. al. A study on elite wrestlers: weight loss and depression. Journal of Physical Education & Sports Science 2013; 7(3): 216-23.
32. Isik O, Cicioglu HI. Dehydration skeletal muscle damage and inflammation before the competitions among the elite wrestlers. J Phys Ther Sci 2016; 28(1): 162-8.
33. Ööpik V, Timpmann S, Burk A, Hannus I. Hydration status of Greco-Roman wrestlers in an authentic precompetition situation. Appl Physiol Nutr Metab 2013; 38(6): 621-5.