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Oliver JL, Ramachandran AK, Singh U, Ramirez-Campillo R, Lloyd RS. The Effects of Strength, Plyometric and Combined Training on Strength, Power and Speed Characteristics in High-Level, Highly Trained Male Youth Soccer Players: A Systematic Review and Meta-Analysis. Sports Med 2024; 54:623-643. [PMID: 37897637 PMCID: PMC10978689 DOI: 10.1007/s40279-023-01944-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/25/2023] [Indexed: 10/30/2023]
Abstract
BACKGROUND Male youth soccer players competing at a high level will typically engage in large volumes of soccer training from a young age. However, it is not known whether the high levels of habitual training that these high-performing players are exposed to limit their ability to respond to strength, plyometric or combined training interventions. OBJECTIVE The primary aim of our systematic review and meta-analysis was to compare the specific effects of strength, plyometric and combined training with active controls (standard soccer training) on the strength, power and speed characteristics of high-level, highly trained young male soccer players. METHODS We performed a literature search across PubMed, Scopus, CINAHL, Web of Science and SPORTDiscus to identify controlled studies that implemented strength, plyometric or combined training in high-level male youth soccer players. Participants were defined as high level or highly trained based on established guidelines related to either competition level or age-related weekly hours spent in soccer training. Studies needed to report at least one outcome of lower body strength, squat jump, countermovement jump, horizontal power, acceleration (0-10 m), speed (15-40 m) or change of direction speed. A meta-analysis was then performed using a random-effects model to determine the magnitude (Hedge's g) of training responses and whether effects differed across modes of training. RESULTS From an initial return of 5464 papers, n = 34 studies met the inclusion criteria and provided a total sample of n = 1396 high-level male youth soccer players. Strength, plyometric and combined training resulted in improvements in strength, squat and countermovement jump, horizontal power, acceleration, change of direction speed (all p < 0.05; g = 0.73-1.08, moderate) and speed (p < 0.05; g = 0.40-0.59, small). Lower body strength was the only outcome where training mode had a significant effect (p < 0.05), with plyometric training producing small effects (g = 0.27, p < 0.05) compared with moderate effects for strength (g = 1.07, p < 0.05) and combined (g = 0.75, p < 0.05) training. Prediction intervals for overall effects (all training modes combined) showed that the greatest confidence that future training will lead to positive effects was in the squat and countermovement jump, horizontal power and acceleration (prediction intervals = 0.03-1.81). CONCLUSIONS High-level, highly trained male youth soccer players can experience positive gains in indices of strength, power and speed from strength, plyometric and combined training, and the magnitude of gains are mostly similar across modes of training. Based on prediction intervals, there is a good level of certainty that future strength, plyometric and combined training in this population would lead to positive improvements in vertical and horizontal power and sprint acceleration.
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Affiliation(s)
- Jon L Oliver
- Youth Physical Development Centre, Cardiff School of Sport and Health Sciences, Cardiff Metropolitan University, Cardiff, CF23 6XD, UK.
- Sport Performance Research Institute New Zealand (SPRINZ), Auckland University of Technology, Auckland, New Zealand.
| | - Akhilesh Kumar Ramachandran
- Youth Physical Development Centre, Cardiff School of Sport and Health Sciences, Cardiff Metropolitan University, Cardiff, CF23 6XD, UK
| | - Utkarsh Singh
- Sports and Exercise Science, College of Healthcare Sciences, James Cook University, Townsville, QLD, 4811, Australia
| | - Rodrigo Ramirez-Campillo
- Faculty of Rehabilitation Sciences, Exercise and Rehabilitation Sciences Institute, School of Physical Therapy, Universidad Andres Bello, 7591538, Santiago, Chile
| | - Rhodri S Lloyd
- Youth Physical Development Centre, Cardiff School of Sport and Health Sciences, Cardiff Metropolitan University, Cardiff, CF23 6XD, UK
- Sport Performance Research Institute New Zealand (SPRINZ), Auckland University of Technology, Auckland, New Zealand
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Mason L, Connolly J, Devenney LE, Lacey K, O’Donovan J, Doherty R. Sleep, Nutrition, and Injury Risk in Adolescent Athletes: A Narrative Review. Nutrients 2023; 15:5101. [PMID: 38140360 PMCID: PMC10745648 DOI: 10.3390/nu15245101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 12/01/2023] [Accepted: 12/07/2023] [Indexed: 12/24/2023] Open
Abstract
This narrative review explores the impact of sleep and nutrition on injury risk in adolescent athletes. Sleep is viewed as essential to the recuperation process and is distinguished as an active participant in recovery through its involvement in growth, repair, regeneration, and immunity. Furthermore, the literature has shown that the sleep of athletes impacts elements of athletic performance including both physical and cognitive performance, recovery, injury risk, and mental well-being. For sleep to have a restorative effect on the body, it must meet an individual's sleep needs whilst also lasting for an adequate duration and being of adequate quality, which is age-dependent. The literature has suggested that athletes have increased sleep needs compared to those of the general population and thus the standard recommendations may not be sufficient for athletic populations. Therefore, a more individualised approach accounting for overall sleep health may be more appropriate for addressing sleep needs in individuals including athletes. The literature has demonstrated that adolescent athletes achieve, on average, ~6.3 h of sleep, demonstrating a discrepancy between sleep recommendations (8-10 h) and actual sleep achieved. Sleep-wake cycles undergo development during adolescence whereby adaptation occurs in sleep regulation during this phase. These adaptations increase sleep pressure tolerance and are driven by the maturation of physiological, psychological, and cognitive functioning along with delays in circadian rhythmicity, thus creating an environment for inadequate sleep during adolescence. As such, the adolescent period is a phase of rapid growth and maturation that presents multiple challenges to both sleep and nutrition; consequently, this places a significant burden on an adolescent athletes' ability to recover, thus increasing the likelihood of injury. Therefore, this article aims to provide a comprehensive review of the available literature on the importance of sleep and nutrition interactions in injury risk in adolescent athletes. Furthermore, it provides foundations for informing further investigations exploring the relation of sleep and nutrition interactions to recovery during adolescence.
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Affiliation(s)
- Lorcán Mason
- Sports Lab North West, Atlantic Technological University Donegal, Port Road, F92 FC93 Letterkenny, Ireland (R.D.)
| | - James Connolly
- Department of Computing, Atlantic Technological University Donegal, Port Road, F92 FC93 Letterkenny, Ireland
| | - Lydia E. Devenney
- Faculty of Arts & Social Sciences, The Open University, Walton Hall, Milton Keynes MK7 6AA, UK
| | - Karl Lacey
- Sports Lab North West, Atlantic Technological University Donegal, Port Road, F92 FC93 Letterkenny, Ireland (R.D.)
| | - Jim O’Donovan
- DCU Glasnevin Campus, Dublin City University, Collins Avenue Extension, Dublin 9, D09 Y8VX Dublin, Ireland
- Sport Ireland Institute, National Sport Campus, Abbotstown, Dublin 15, D15 Y52H Dublin, Ireland
| | - Rónán Doherty
- Sports Lab North West, Atlantic Technological University Donegal, Port Road, F92 FC93 Letterkenny, Ireland (R.D.)
- Sport Ireland Institute, National Sport Campus, Abbotstown, Dublin 15, D15 Y52H Dublin, Ireland
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Charpy S, Billard P, Dandrieux PE, Chapon J, Edouard P. Epidemiology of injuries in elite Women's Artistic Gymnastics: a retrospective analysis of six seasons. BMJ Open Sport Exerc Med 2023; 9:e001721. [PMID: 37901753 PMCID: PMC10603331 DOI: 10.1136/bmjsem-2023-001721] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/06/2023] [Indexed: 10/31/2023] Open
Abstract
Background Women's Artistic Gymnastics (WAG) is a sport well known for requiring a heavy and difficult training load from a younger age to reach a high level of performance. This also is associated with an injury risk. Epidemiological studies are thus needed to improve injury prevention strategies. Objective We aimed to determine the injury epidemiology in French high-level WAG. Methods We conducted a retrospective analysis of injury data collected prospectively over six seasons from the 2014-2015 season to the 2019-2020 season among French high-level Women's Artistic Gymnasts from the France Gymnastics National Centre of Saint-Etienne. We performed descriptive analyses, including the calculation of the 1-year injury prevalence. Results 43 gymnasts were included in this study, representing 111 gymnast-seasons. A total of 285 injuries were collected over the study period, that was, an average of 2.6 injuries per gymnast per season. On average, 91.4% of gymnasts had at least one injury per season. The estimated injury incidence rate was 1.8 injuries per 1000 hours of gymnastics practice. The knee was the most affected joint (16%), followed by the elbow (12%) and the ankle (12%). The most frequent injury type was physis pathologies (16%) and bone injuries (15%). Eighty-eight per cent of injuries required a modification of the gymnastics practice. Conclusions The results of this study allowed a description of the epidemiology of injuries in this population of young and elite gymnasts. This very high injury prevalence supports the need to improve injury risk reduction strategies in WAG.
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Affiliation(s)
- Séréna Charpy
- Inter-university Laboratory of Human Movement Biology (EA 7424), University Jean Monnet Saint-Etienne, Lyon 1, University Savoie Mont-Blanc, Saint-Etienne, France
- Department of Clinical and Exercise Physiology, Sports Medicine Unit, University Hospital of Saint-Etienne, Saint-Etienne, France
- Pôle France de Gymnastique de Saint Etienne, Saint-Etienne, France
| | - Pierre Billard
- Commission Médicale, Fédération Française de Gymnastique, Paris, France
- Consultation de traumatologie du sport du Grand Hôpital de l’Est Francilien, Meaux, France
- Plateau technique médico sportif de l’office médical des sports, Meaux, France
| | - Pierre-Eddy Dandrieux
- Inter-university Laboratory of Human Movement Biology (EA 7424), University Jean Monnet Saint-Etienne, Lyon 1, University Savoie Mont-Blanc, Saint-Etienne, France
- Mines Saint-Etienne, INSERM, U 1059 Sainbiose, CIS, Univ Lyon, Univ Jean Monnet, Saint-Etienne, France
| | - Joris Chapon
- Inter-university Laboratory of Human Movement Biology (EA 7424), University Jean Monnet Saint-Etienne, Lyon 1, University Savoie Mont-Blanc, Saint-Etienne, France
| | - Pascal Edouard
- Inter-university Laboratory of Human Movement Biology (EA 7424), University Jean Monnet Saint-Etienne, Lyon 1, University Savoie Mont-Blanc, Saint-Etienne, France
- Department of Clinical and Exercise Physiology, Sports Medicine Unit, University Hospital of Saint-Etienne, Saint-Etienne, France
- Pôle France de Gymnastique de Saint Etienne, Saint-Etienne, France
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Special Issue "Talent Identification and Development in Youth Sports". Sports (Basel) 2022; 10:sports10120189. [PMID: 36548486 PMCID: PMC9781698 DOI: 10.3390/sports10120189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Accepted: 11/21/2022] [Indexed: 11/25/2022] Open
Abstract
We are delighted to share our Special Issue on Talent Identification and Development in Youth Sports [...].
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Correction: McBurnie et al. Training Management of the Elite Adolescent Soccer Player throughout Maturation. Sports 2021, 9, 170. Sports (Basel) 2022; 10:sports10110173. [PMID: 36355826 PMCID: PMC9698538 DOI: 10.3390/sports10110173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Accepted: 05/27/2022] [Indexed: 11/06/2022] Open
Abstract
The authors wish to make the following corrections to this paper [...].
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Injury incidence, severity, and burden in elite youth soccer players – a 3-year prospective study. J Sci Med Sport 2022; 25:737-742. [DOI: 10.1016/j.jsams.2022.06.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 05/31/2022] [Accepted: 06/08/2022] [Indexed: 11/21/2022]
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Arede J, Freitas TT, Johnson D, Fernandes JFT, Williams S, Moran J, Leite N. Training Load, Maturity Timing and Future National Team Selection in National Youth Basketball Players. J Funct Morphol Kinesiol 2022; 7:jfmk7010021. [PMID: 35225907 PMCID: PMC8883974 DOI: 10.3390/jfmk7010021] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 01/28/2022] [Accepted: 02/01/2022] [Indexed: 11/16/2022] Open
Abstract
Despite its importance to the management of training stress, monotony and recovery from exercise, training load has not been quantified during periods of intensity training in youths. This study aimed to (1) examine and quantify the training load (TL) in youth national team basketball players during a 2-week training camp according to maturity timing and (2) determine which parameters were related to under-18 (U18) national team selection. Twenty-nine U-16 national team basketball players underwent an anthropometric assessment to determine maturity timing. Players were categorised by maturity timing (early vs. average), whilst TL parameters during a 2-week training camp (i.e., 21 sessions) prior to FIBA U16 European Championship were used for group comparison and to predict future U-18 national team selection. The early-maturing players, who were taller and heavier (p < 0.05), experienced greater training strain in week 1 (p < 0.05) only. Irrespective of maturity timing, training loads in week 2 were predictive of onward selection for the U-18 national team. Conclusion: Based on present findings, practitioners are encouraged to develop their athletes' ability to tolerate high weekly loads, but also to be mindful that athletes' perceived exertion during national team training may be influenced by maturity timing.
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Affiliation(s)
- Jorge Arede
- Department of Sports Sciences, Exercise and Health, University of Trás-os-Montes and Alto Douro, 5001-801 Vila Real, Portugal;
- School of Education, Polytechnic Institute of Viseu, 3504-501 Viseu, Portugal
- Department of Sports, Higher Institute of Educational Sciences of the Douro, 4560-708 Penafiel, Portugal
- School of Sports Sciences, Universidad Europea de Madrid, Campus de Villaviciosa de Odón, 28670 Madrid, Spain
- Correspondence:
| | - Tomás T. Freitas
- UCAM Research Center for High Performance Sport, Catholic University of Murcia (UCAM), 30107 Murcia, Spain;
- NAR—Nucleus of High Performance in Sport, São Paulo 04753-060, Brazil
- Faculty of Sport Sciences, Catholic University of Murcia (UCAM), 30107 Murcia, Spain
| | - David Johnson
- Department for Health, University of Bath, Bath BA2 7AY, UK; (D.J.); (S.W.)
| | - John F. T. Fernandes
- School of Sport and Health Sciences, Cardiff Metropolitan University, Cardiff CF23 6XD, UK;
| | - Sean Williams
- Department for Health, University of Bath, Bath BA2 7AY, UK; (D.J.); (S.W.)
| | - Jason Moran
- School of Sport, Rehabilitation and Exercise Sciences, University of Essex, Colchester CO4 3SQ, UK;
| | - Nuno Leite
- Department of Sports Sciences, Exercise and Health, University of Trás-os-Montes and Alto Douro, 5001-801 Vila Real, Portugal;
- Research Center in Sports Sciences, Health Sciences and Human Development, CIDESD, University of Trás-os-Montes and Alto Douro, 5001-801 Vila Real, Portugal
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