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Martinho DV, Naughton RJ, Leão C, Lemos J, Field A, Faria A, Rebelo A, Gouveia ÉR, Sarmento H. Dietary intakes and daily distribution patterns of macronutrients in youth soccer players. Front Nutr 2023; 10:1134845. [PMID: 37153912 PMCID: PMC10157276 DOI: 10.3389/fnut.2023.1134845] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2022] [Accepted: 03/28/2023] [Indexed: 05/10/2023] Open
Abstract
Introduction There has been an abundance of dietary analysis research conducted on adult male soccer players, while studies on youth players are lacking. Furthermore, the daily distribution of energy and macronutrient intake throughout the day has been reported to influence training adaptations, but this is often not considered in the literature. This study aims to quantify daily energy and macronutrient intake and assess their distribution over 5 days, and compare daily energy intakes and predicted daily energy expenditure in under-16 male soccer players. Methods The sample included 25 soccer participants aged 14.8-15.7 years. Five-day self-reported food diaries were used to record the food/drink consumption. Intake was analyzed for total daily energy, macronutrient intakes, and distribution among meals (breakfast, lunch, dinner, and snacks). Daily energy expenditure was predicted by resting energy expenditure and physical activity levels developed for youth sports participants. Results The mean total energy intake was 1,928 ± 388 kcal∙day-1, whereas the estimated daily energy expenditure was 3,568 kcal∙day-1. Relative daily protein intakes were lower at breakfast, morning snack, afternoon snack, and night snack compared to lunch and dinner. Discussion Youth soccer players do not appear to meet energy requirements and daily CHO guidelines. Fluctuations in protein intake throughout the day were noted and may influence training adaptations (i.e., muscle protein synthesis and recovery).
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Affiliation(s)
- Diogo V. Martinho
- Research Unit for Sport and Physical Activity, Faculty of Sport Sciences and Physical Education, University of Coimbra, Coimbra, Portugal
- *Correspondence: Diogo V. Martinho,
| | - Robert J. Naughton
- School of Human and Health Sciences, University of Huddersfield, Huddersfield, United Kingdom
| | - César Leão
- Escola Superior de Desporto e Lazer, Instituto Politécnico de Viana do Castelo, Viana do Castelo, Portugal
- Research Center in Sports Performance, Recreation, Innovation and Technology (SPRINT), Melgaço, Portugal
| | - João Lemos
- Research Center in Sports Performance, Recreation, Innovation and Technology (SPRINT), Melgaço, Portugal
| | - Adam Field
- Manchester Metropolitan University, Manchester, United Kingdom
| | - Ana Faria
- Polytechnic of Coimbra, Coimbra Health School, Dietetics and Nutrition, Coimbra, Portugal
- Laboratory for Applied Health Research (LabinSaúde), Coimbra, Portugal
| | - André Rebelo
- CIDEFES, Centro de Investigação em Desporto, Educação Física e Exercício e Saúde, Universidade Lusófona, Lisbon, Portugal
- COD, Center of Sports Optimization, Sporting Clube de Portugal, Lisbon, Portugal
| | - Élvio R. Gouveia
- Department of Physical Education and Sport, University of Madeira, Funchal, Portugal
- Laboratory of Robotics and Engineering Systems (LARSYS), Interactive Technologies Institute, Funchal, Portugal
| | - Hugo Sarmento
- Research Unit for Sport and Physical Activity, Faculty of Sport Sciences and Physical Education, University of Coimbra, Coimbra, Portugal
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Anderson L, Drust B, Close GL, Morton JP. Physical loading in professional soccer players: Implications for contemporary guidelines to encompass carbohydrate periodization. J Sports Sci 2022; 40:1000-1019. [DOI: 10.1080/02640414.2022.2044135] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Liam Anderson
- School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, UK
| | - Barry Drust
- School of Sport, Exercise and Rehabilitation Sciences, University of Birmingham, Birmingham, UK
| | - Graeme L. Close
- Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Tom Reilly Building, Byrom St Campus, Liverpool John Moores University, Liverpool, L3 6AF, UK
| | - James P. Morton
- Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Tom Reilly Building, Byrom St Campus, Liverpool John Moores University, Liverpool, L3 6AF, UK
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Fernandes HS. Carbohydrate Consumption and Periodization Strategies Applied to Elite Soccer Players. Curr Nutr Rep 2020; 9:414-419. [PMID: 33098050 DOI: 10.1007/s13668-020-00338-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/16/2020] [Indexed: 12/26/2022]
Abstract
PURPOSE OF REVIEW During a soccer season, athletes tend to play intense and light matches such as decisive and qualifying games. The amount of muscle glycogen stores is a determining factor of performance during exercise, and manipulation of carbohydrate intake during the soccer season to enhance muscle glycogen stores can improve the performance of elite soccer players. The purpose of this review is to provide a holistic view of the periodization of carbohydrates and their effects on sports performance, based on what the literature recommends for the periodization of carbohydrates for endurance athletes, and of muscle glycogen recovery and compensation among professional soccer players. RECENT FINDINGS The ingestion of large amounts of carbohydrates (CHO;10 g/kg of body weight (BW)/day) is important 36 h before a match for the elite soccer player to ensure muscle glycogen supercompensation. In addition, elite soccer players should intake 1 to 1.5 g/kg BW/h within the first 4 h after a soccer game to maximize glycogen resynthesis. However, the season is comprised of away and home games that require different intensities; thus, soccer players need to periodize CHO intake based on evidence-based recommendations such as "train low," "train low, compete high," and/or "sleep low." The goal is to induce training adaptations by alternating with high or low CHO availability based on seasons, matches, and training intensities. The strategy can result in improved performance during games. Periodizing the consumption of carbohydrates, based on the intensity of training and matches, should include more carbohydrates when the matches require higher intensity and fewer carbohydrates when they require lower intensity; this is a strategy that will improve the performance of elite soccer athletes.
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Affiliation(s)
- Haniel Soares Fernandes
- Nutrition Departament, Estácio de Sá College, Fortaleza, Ceará, Brazil.
- Nutrition, Metabolism e Physiology in Sport, São Gabriel da Palha College, São Gabriel da Palha, Espírito Santo, Brazil.
- Clinical and Functional Nutrition, São Gabriel da Palha College, São Gabriel da Palha, Espírito Santo, Brazil.
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Collins J, Maughan RJ, Gleeson M, Bilsborough J, Jeukendrup A, Morton JP, Phillips SM, Armstrong L, Burke LM, Close GL, Duffield R, Larson-Meyer E, Louis J, Medina D, Meyer F, Rollo I, Sundgot-Borgen J, Wall BT, Boullosa B, Dupont G, Lizarraga A, Res P, Bizzini M, Castagna C, Cowie CM, D'Hooghe M, Geyer H, Meyer T, Papadimitriou N, Vouillamoz M, McCall A. UEFA expert group statement on nutrition in elite football. Current evidence to inform practical recommendations and guide future research. Br J Sports Med 2020; 55:416. [PMID: 33097528 DOI: 10.1136/bjsports-2019-101961] [Citation(s) in RCA: 94] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/18/2020] [Indexed: 01/09/2023]
Abstract
Football is a global game which is constantly evolving, showing substantial increases in physical and technical demands. Nutrition plays a valuable integrated role in optimising performance of elite players during training and match-play, and maintaining their overall health throughout the season. An evidence-based approach to nutrition emphasising, a 'food first' philosophy (ie, food over supplements), is fundamental to ensure effective player support. This requires relevant scientific evidence to be applied according to the constraints of what is practical and feasible in the football setting. The science underpinning sports nutrition is evolving fast, and practitioners must be alert to new developments. In response to these developments, the Union of European Football Associations (UEFA) has gathered experts in applied sports nutrition research as well as practitioners working with elite football clubs and national associations/federations to issue an expert statement on a range of topics relevant to elite football nutrition: (1) match day nutrition, (2) training day nutrition, (3) body composition, (4) stressful environments and travel, (5) cultural diversity and dietary considerations, (6) dietary supplements, (7) rehabilitation, (8) referees and (9) junior high-level players. The expert group provide a narrative synthesis of the scientific background relating to these topics based on their knowledge and experience of the scientific research literature, as well as practical experience of applying knowledge within an elite sports setting. Our intention is to provide readers with content to help drive their own practical recommendations. In addition, to provide guidance to applied researchers where to focus future efforts.
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Affiliation(s)
- James Collins
- Intra Performance Group, London, UK.,Performance and Research Team, Arsenal Football Club, London, UK
| | | | - Michael Gleeson
- School of Sports Exercise and Health Sciences, Loughborough University, Loughborough, UK
| | - Johann Bilsborough
- Faculty of Health, University of Technology, Sydney, New South Wales, Australia.,New England Patriots, Foxboro, MA, USA
| | - Asker Jeukendrup
- School of Sports Exercise and Health Sciences, Loughborough University, Loughborough, UK.,MySport Science, Birmingham, UK
| | - James P Morton
- Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, UK
| | - S M Phillips
- Kinesiology, McMaster University, Hamilton, Ontario, Canada
| | - Lawrence Armstrong
- Human Performance Laboratory, University of Connecticut, Storrs, CT, USA
| | - Louise M Burke
- Mary MacKillop Institute for Health Research, Australian Catholic University, Melbourne, VIC, Australia
| | - Graeme L Close
- Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, UK
| | - Rob Duffield
- Faculty of Health, University of Technology, Sydney, New South Wales, Australia.,Medical Department, Football Federation Australia, Sydney, New South Wales, Australia
| | - Enette Larson-Meyer
- Department of Human Nutrition, Foods, and Exercise, Virginia Tech, Blacksburg, VA, USA
| | - Julien Louis
- Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, UK
| | - Daniel Medina
- Athlete Care and Performance, Monumental Sports & Entertainment, Washington, DC, USA
| | - Flavia Meyer
- Federal University of Rio Grande do Sul, Porto Alegre, Brazil
| | - Ian Rollo
- School of Sports Exercise and Health Sciences, Loughborough University, Loughborough, UK.,PepsiCo Life Sciences, Global R&D, Gatorade Sports Science Institute, Birmingham, UK
| | | | - Benjamin T Wall
- Department of Sport and Health Sciences, College of Life and Environmental Sciences, University of Exeter, Exeter, UK
| | | | - Gregory Dupont
- Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, UK
| | | | - Peter Res
- Dutch Olympic Team, Amsterdam, Netherlands
| | - Mario Bizzini
- Research and Human Performance Lab, Schulthess Clinic, Zurich, Switzerland
| | - Carlo Castagna
- University of Rome Tor Vergata, Rome, Italy.,Technical Department, Italian Football Federation (FIGC), Florence, Italy.,Italian Football Referees Association, Bologna, Italy
| | - Charlotte M Cowie
- Technical Directorate, Football Association, Burton upon Trent, UK.,Medical Committee, UEFA, Nyon, Switzerland
| | - Michel D'Hooghe
- Medical Committee, UEFA, Nyon, Switzerland.,Medical Centre of Excelence, Schulthess Clinic, Zurich, Switzerland
| | - Hans Geyer
- Center for Preventive Doping Research, German Sport University Cologne, Cologne, Germany
| | - Tim Meyer
- Medical Committee, UEFA, Nyon, Switzerland.,Institute of Sports and Preventive Medicine, Saarland University, Saarbrücken, Germany
| | | | | | - Alan McCall
- Performance and Research Team, Arsenal Football Club, London, UK .,Medical Department, Football Federation Australia, Sydney, New South Wales, Australia.,Sport, Exercise and Health Sciences, School of Applied Sciences, Edinburgh Napier University, Edinburgh, UK
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