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Ji Yeon Kim, Ji Seon Lee, Seong Suk Cho1, Hyon Park2, Kyung Won Kim
Abstract
Objectives
Weight control practices are common in combat sport athletes. This study was performed to examine nutrient intakes of male college combat sport athletes (taekwondo, boxing, judo) by weight control (WC) status.
Methods
Subjects were male combat sport athletes (n=90) from colleges in Gyeonggi Province. Survey was conducted during 2016. Questionnaire included general characteristics, weight control, and dietary intakes during the period of training, weight control, weigh-in ~ before competition and between competitions. Subjects were grouped into high- and normal WC groups. T-test, χ2-test, Fisher's exact test and ANCOVA were used to analyze the data.
Results
During training, energy intake was 75.4% of EER and C:P:F ratio was 57.5:13.9:28.7. Iron and zinc intakes were different by WC groups (p<0.05). During weight control, energy intake was 44.7% of EER in normal WC and 30.5% in high WC group (p<0.05). C:P:F ratio was 69:11.1:19.5, and ratio from protein and fat was lower in the high WC group (p<0.05). Most nutrient intakes during weight control were less than 50% of 2015 KDRIs (RNI or AI), and intakes including thiamin (p<0.01), vitamin A, riboflavin, niacin, folate, calcium, potassium and zinc (p<0.05) were significantly lower in the high WC. Energy intake after weighing before the competition was 1,315 kcal, and energy (kcal/kg BW, p<0.05) and carbohydrate intakes (g/kg BW, p<0.01) were significantly higher in the high WC group. Energy intake between competitions was 691.1 kcal, with no difference by the WC group.
Conclusions
Nutrients intakes of combat sport athletes were inadequate. Dietary intakes during weight control were much below than the KDRIs, especially in the high WC group. It is needed to develop nutrition education programs for combat sport athletes to avoid severe energy restrictions and to apply specific dietary guides to each period of training and weight control.
Figures and Tables
Table 2
Energy and nutrients intakes during training period by the weight control status
*: P<0.05
1) Estimated Energy Requirements, 2) kcal/kg body weight, 3) g/kg body weight, 4) Recommended Nutrient Intake, 5) Ratio of energy intake, 6) Adequate Intake, 7) Intake Goal, 8) Mean±SE, 9) F value by analysis of covariance (covariate: weight, height). For variables analyzed by kg/body weight, only height was used as a covariate.
Table 3
Energy and nutrients Intakes during weight control period by the weight control status
*: P<0.05, **: P<0.01
1) Estimated Energy Requirements, 2) kcal/kg body weight, 3) g/kg body weight, 4) Recommended Nutrient Intake, 5) Ratio of energy intake, 6) Adequate Intake, 7) Intake Goal, 8) Mean±SE, 9) F value by analysis of covariance (covariate: weight, height). For variables analyzed by kg/body weight, only height was used as a covariate.
References
1. Kim JH, Choue RW. The study of nutrients intake, nutrition knowledge and weight loss patterns for 12 weeks pre-competition in college Taekwondo players. Korean J Phys Educ. 2004; 43(4):473–484.
2. Burke L. Practical sports nutrition. 1st edition. Belconnen: Human Kinetics;2007. p. 289–312.
3. Brownell KD, Steen SN, Wilmore JH. Weight regulation practices in athletes: analysis of metabolic and health effects. Med Sci Sports Exerc. 1987; 19(6):546–556.
4. Brito CJ, Roas AFCM, Brito ISS, Marins JCB, Córdova C, Franchini E. Methods of body-mass reduction by combat sport athletes. Int J Sport Nutr Exerc Metab. 2012; 22(2):89–97.
5. Artioli GG, Gualano B, Franchini E, Scagliusi FB, Takesian M, Fuchs M. Prevalence, magnitude, and methods of rapid weight loss among judo competitors. Med Sci Sports Exerc. 2010; 42(3):436–442.
6. Kim CH, Kim C, Ji JW, Pyo JH, Oh HS, Choi YE. Weight loss patterns of weight-classed athletes in Korea: a descriptive study. Korean J Sports Med. 2001; 19(1):49–61.
7. Choi DW, Ryu SP, Lee SC, Kim YB. The changes of body composition and blood elements by weight cycling in wrestlers. Korean J Exerc Nutr. 1997; 1(1):29–43.
8. Burke LM. Reflections on the 2016 position stand: Nutrition and athletic performance. ACSMs Health Fit J. 2017; 21(2):39–40.
9. Reale R, Slater G, Burke LM. Individualised dietary strategies for Olympic combat sports: Acute weight loss, recovery and competition nutrition. Eur J Sport Sci. 2017; 17(6):727–740.
10. Kim KJ. Effect of refeeding diet composition after rapid weight loss on high-intensity exercise performance in Taekwondo players. Korean J Exerc Nutr. 2002; 6(3):213–224.
11. An BG, Yoon JD. A study on level and methods of weight reduction on weight classification athletes. Inst Martial Arts Yongin Univ. 1997; 8(2):259–265.
12. Jung KA, Hwang SH, Kim , C , Lee JK, Chang YK. An evaluation of the nutritional status and the desirable time and period for dietary record in male high school Taekwando athletes. Korean J Nutr. 2002; 35(2):237–249.
13. Son HS, Lee SJ. A study on the nutrient intakes of the Taekwondo players before and after the games. J Taekwondo Sci. 2009; 2(1):43–49.
14. Shin MG, Kim HY, Park S, Park H. Analysis of nutrient intake and beverage intake status of male Taekwondo players. Korean J Sports Sci. 2010; 21(1):919–928.
15. Thomas DT, Erdman KA, Burke LM. Position of the academy of nutrition and dietetics, dietitians of Canada, and the American college of sports medicine: nutrition and athletic performance. J Acad Nutr Diet. 2016; 116(3):501–528.
16. Steen SN, Brownell KD. Patterns of weight loss and regain in wrestlers: has the tradition changed? Med Sci Sports Exerc. 1990; 22(6):762–768.
17. Rhyu HS. Effects of short term weight loss on physiological variables in weight category sports. Korean J Sport Sci. 2016; 27(2):209–219.
18. Park MK, Sung JM, Kang HS. Research about establishment of the most suitable weight reduction level. Exerc Sci. 2009; 18(1):143–150.
19. Ministry of Health and Welfare, The Korean Nutrition Society. Dietary reference intakes for Koreans 2015. Sejong: The Korean Nutrition Society;2015. p. 25–89.
20. Kim YS, Kim GJ, Shin JT, Kim HY, Lim GW. Application and development of nutritional guidelines for physical conditions to pass weight in judo players. Korean J Sport Sci. 2009; 46(1):593–606.
21. Kordi R, Ziaee V, Rostami M, Wallace WA. Patterns of weight loss and supplement consumption of male wrestlers in Tehran. Sports Med Arthrosc Rehabil Ther Technol. 2011; 3(1):4.
22. Lee MC, Kang HS. A review on nutrition for competitive athletes. Food Ind Nutr. 2000; 5(1):44–49.
23. Jung YJ, Choi GH, Song YJ, Cho SS, Park H. Analysis and evaluation of ice skate player's macronutrient and micronutrient intake. Korean J Sports Sci. 2016; 25(2):1221–1230.
24. Ministry of Health and Welfare, Korea Centers for Disease Control and Prevention. The Sixth Korea National Health and Nutrition Examination Survey (KNHANES VI-3). Cheongju: Korea Centers for Disease Control and Prevention;2015. p. 113–182.
25. Lee MC, Kim YS, Park H, Cho SS. A study on the weight control and dietary survey of wrestlers and judoists (weight class events players). Korean J Sport Sci. 1997; 8(3):1–18.
26. O'Connor H, Honey A, Caterson I. Clinical sports nutrition. 5th ed. New South Wales: McGraw-Hill Education;2015. p. 164–212.
27. Pasiakos SM, Vislocky LM, Carbone JW, Altieri N, Konopelski K, Freake HC. Acute energy deprivation affects skeletal muscle protein synthesis and associated intracellular signaling proteins in physically active adults. J Nutr. 2010; 140(4):745–751.
28. Kim MI. The review on nutritional management for competitive weight control athletes. J Coaching Dev. 2005; 7(4):3–12.
29. Lukaski HC. Vitamin and mineral status: effects on physical performance. Nutrition. 2004; 20(7):632–644.
30. Dwyer JT, Allison DB, Coates PM. Dietary supplements in weight reduction. J Am Diet Assoc. 2005; 105(5):S80–S86.
31. Tarnopolsky MA, Cipriano N, Woodcroft C, Pulkkinen WJ, Robinson DC, Henderson JM. Effects of rapid weight loss and wrestling on muscle glycogen concentration. Clin J Sport Med. 1996; 6(2):78–84.
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