Effect of diet on body composition and performance parameters - VO2max, HR and power, among young football players

MIZERA, Krzysztof Maciej. Effect of diet on body composition and performance parameters - VO2max, HR and power, among young football players. Journal of Education, Health and Sport. 2023;13(4):115-122. eISSN 2391-8306. DOI http://dx.doi.org/10.12775/JEHS.2023.13.04.012 https://apcz.umk.pl/JEHS/article/view/41981 https://zenodo.org/record/7650370 The journal has had 40 points in Ministry of Education and Science of Poland parametric evaluation. Annex to the announcement of the Minister of Education and Science of December 21, 2021. No. 32343. Has a Journal's Unique Identifier: 201159. Scientific disciplines assigned: Physical Culture Sciences (Field of Medical sciences and health sciences); Health Sciences (Field of Medical Sciences and Health Sciences). Punkty Ministerialne z 2019 - aktualny rok 40 punktów. Załącznik do komunikatu Ministra Edukacji i Nauki z dnia 21 grudnia 2021 r. Lp. 32343. Posiada Unikatowy Identyfikator Czasopisma: 201159. Przypisane dyscypliny naukowe: Nauki o kulturze fizycznej (Dziedzina nauk medycznych i nauk o zdrowiu); Nauki o zdrowiu (Dziedzina nauk medycznych i nauk o zdrowiu). © The Authors 2023; This article is published with open access at Licensee Open Journal Systems of Nicolaus Copernicus University in Torun, Poland Open Access. This article is distributed under the terms of the Creative Commons Attribution Noncommercial License which permits any noncommercial use, distribution, and reproduction in any medium, provided the original author (s) and source are credited. This is an open access article licensed under the terms of the Creative Commons Attribution Non commercial license Share alike. (http://creativecommons.org/licenses/by-nc-sa/4.0/) which permits unrestricted, non commercial use, distribution and reproduction in any medium, provided the work is properly cited. The authors declare that there is no conflict of interests regarding the publication of this paper. Received: 18.01.2023. Revised: 29.01.2023. Accepted: 10.02.2023. Effect of diet on body composition and performance parameters - VO2max, HR and power, among young football players Krzysztof Mizera University of Engineering and Health in Warsaw, Poland (Wyższa Szkoła Inżynierii i Zdrowia), ul. Bitwy Warszawskiej 1920 nr 18, 02-366 Warszawa, Polska ORCID ID: 0000-0003-4875-9668, e-mail: krzysztofmizera@o2.pl Abstract Nutrition acts an important role for soccer players as it provides energy and affects recovery after training. Objective: The aim of the study was to assess the method and quality of nutrition of young football players and the impact of nutrition on VO2max, power, heart rate and somatic parameters. Results: The obtained results indicate that with the increase in calories and nutrients, the percentage of water in the body decreases. In other cases, increasing the amount of calories consumed is associated with an increase in BMI, fat content, lean body mass and muscle mass. VO2max did not correlate with any of the dietary parameters as did the number of breaths per minute. Heart rate results in most cases, when correlated with dietary parameters, produce an inversely proportional fit. Resting heart rate (HR) correlates with eight of the eleven deictic parameters, giving a level of compliance in the range of -0.48 to -0.73. In the case of the size of the change in heart rate after exercise, its size is greater the more calories and nutrients are consumed by the test subjects. These correlations are then proportional. These results range from 0.52 to 0.75. Conclusion: It is not the amount of calories consumed, but mainly carbohydrates that influence the weight of soccer players. On the other hand, the amount of calories and proteins consumed have an impact on the maximum power generated by players. The diet used by the players does not affect their VO2max and the number of breaths per minute, and the amount of calories and carbohydrates consumed affects the recovery time of the circulatory system (heart rate decrease) immediately after exercise. Key words: sports diet, sports nutrition, football, soccer, performance, VO2ma